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Magnetic Materials

GMR Harddisk, courtesy IBM GermanyMagnetic phenomena are omnipresent in the modern world. The Nobel prize in Physics (2007) was awarded for studies of giant magnetoresistance to A. Fert and P. Grünberg; their discoveries were soon implemented in hard drives (see picture, courtesy of IBM Germany). Learn more about the current research into magnetic materials, basic or applied.

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Recent Articles

Multifunctional Magnetic Materials of Organic Origin for Biomedical Applications: A Theoretical Study

Multifunctional Magnetic Materials of Organic Origin for Biomedical Applications: A Theoretical Study

The following illustration shows the multifunctional behavior of our studied systems based on azulene coupler and nitronyl Nitroxide radical. Calculations predict that some of our studied systems are ferromagnetic, possess reasonable values of zero-field Splitting parameters and TPA cross-section. Moreover the component shows cell permeability, biocompatibility, in vivo stability. Hence if synthesized these proposed molecules may have Biomedical applications.

[Full Paper]
Manoj Majumder, Tamal Goswami, Anirban Misra
ChemistrySelect, January 19, 2018, https://doi.org/10.1002/slct.201702530 Read article

Magnetic Macroporous Hydrogels as a Novel Approach for Perfused Stem Cell Culture in 3D Scaffolds via Contactless Motion Control

Magnetic Macroporous Hydrogels as a Novel Approach for Perfused Stem Cell Culture in 3D Scaffolds via Contactless Motion Control

Perfused 3D scaffolds promise to overcome the limitations of 2D culture systems. An innovative 3D magnetic hydrogel system that greatly improves the diffusion-limited nutrient transport in state-of-the-art approaches by moving the hydrogel contactless in conventional cell culture tubes is presented. The engineered system is verified with hematopoietic progenitor cell culture and shows the impact of perfused environments on cell behavior.

[Full Paper]
Lisa Rödling, Esther Magano Volz, Annamarija Raic, Katharina Brändle, Matthias Franzreb, Cornelia Lee-Thedieck
Adv. Healthcare Mater., January 19, 2018, https://doi.org/10.1002/adhm.201701403 Read article

Glioma-Targeted Delivery of a Theranostic Liposome Integrated with Quantum Dots, Superparamagnetic Iron Oxide, and Cilengitide for Dual-Imaging Guiding Cancer Surgery

Glioma‐Targeted Delivery of a Theranostic Liposome Integrated with Quantum Dots, Superparamagnetic Iron Oxide, and Cilengitide for Dual‐Imaging Guiding Cancer Surgery

The accurate imaging of tumor margins is pivotal for the complete surgical resection of glioma. In this study, a theranostic liposome (QSC-Lip) is constructed to target glioma under an exogenous magnetic field (magnetic targeting) for magnetic resonance imaging and fluorescence imaging. The dual-imaging ability of QSC-Lip has successfully guided the accurate resection of glioma by surgery.

[Full Paper]
He-Lin Xu, Jing-Jing Yang, De-Li ZhuGe, Meng-Ting Lin, Qun-Yan Zhu, Bing-Hui Jin, Meng-Qi Tong, Bi-Xin Shen, Jian Xiao, Ying-Zheng Zhao
Adv. Healthcare Mater., January 19, 2018, https://doi.org/10.1002/adhm.201701130 Read article

Use of Mesoscopic Host Matrix to Induce Ferrimagnetism in Antiferromagnetic Spinel Oxide

Use of Mesoscopic Host Matrix to Induce Ferrimagnetism in Antiferromagnetic Spinel Oxide

Using epitaxial mesoscopic host matrices, materials are spatially confined at the nanoscale, and are supported, anchored, and stabilized. They also exhibit properties distinct from the bulk counterparts, proving their high quality nanoscale nature. ZnFe2O4 and SrTiO3 are used as the model confined material and host matrix, respectively.

[Full Paper]
Chaewoon Park, Rui Wu, Ping Lu, Hui Zhao, Jinbo Yang, Bruce Zhang, Weiwei Li, Chao Yun, Haiyan Wang, Judith L. MacManus-Driscoll, Seungho Cho
Adv. Funct. Mater., January 19, 2018, https://doi.org/10.1002/adfm.201706220 Read article

Ready Access to 3-Substituted Quinoxalin-2-ones under Superparamagnetic Nanoparticle Catalysis

Ready Access to 3‐Substituted Quinoxalin‐2‐ones under Superparamagnetic Nanoparticle Catalysis

Fe2O3 superparamagnetic nanoparticles was utilized as a productive recyclable heterogeneous catalyst for the cyclization reaction between α-keto acids and benzene-1,2-diamines to produce quinoxalinones as major products and benzimidazoles as minor products.

[Full Paper]
Oanh T. K. Nguyen, Anh L. T. Phan, Phuong T. Phan, Viet D. Nguyen, Thanh Truong, Nhan T. H. Le, Dung T. Le, Nam T. S. Phan
ChemistrySelect, January 18, 2018, https://doi.org/10.1002/slct.201702426 Read article

Separation/Concentration-Signal-Amplification in-One Method Based on Electrochemical Conversion of Magnetic Nanoparticles for Electrochemical Biosensing

Separation/Concentration‐Signal‐Amplification in‐One Method Based on Electrochemical Conversion of Magnetic Nanoparticles for Electrochemical Biosensing

[Full Paper]
Lulu Cao, Qi Zhang, Huang Dai, Yingchun Fu, Yanbin Li
Electroanalysis, January 18, 2018, https://doi.org/10.1002/elan.201700653 Read article

Spatially Resolved Electric-Field Manipulation of Magnetism for CoFeB Mesoscopic Discs on Ferroelectrics

Spatially Resolved Electric‐Field Manipulation of Magnetism for CoFeB Mesoscopic Discs on Ferroelectrics

Three types of magnetic responses induced by different types of ferroelectric (FE) domain switching are revealed, particularly, the first observation of 90° rotation of the magnetic easy axis induced by 109° FE domain switching. The result is significant for understanding the distinct magnetic responses to different types of FE domain switching and shedding light on the path of FE domain switching.

[Full Paper]
You Ba, Yan Liu, Peisen Li, Liang Wu, John Unguris, Daniel T. Pierce, Danni Yang, Ce Feng, Yike Zhang, Hao Wu, Dalai Li, Yuansi Chang, Jinxing Zhang, Xiufeng Han, Jianwang Cai, Ce-Wen Nan, Yonggang Zhao
Adv. Funct. Mater., January 17, 2018, https://doi.org/10.1002/adfm.201706448 Read article

Optomagnetic Nanoplatforms for In Situ Controlled Hyperthermia

Optomagnetic Nanoplatforms for In Situ Controlled Hyperthermia

The combination of magnetic nanoparticles and luminescent nanothermometers through encapsulation with a polymer into optomagnetic hybrid nanostructures achieves in situ control of thermal therapies inside biological tissues. The magnetic and luminescent properties of the constituting nanoparticles are maintained, and the robustness of the thermal feedback during photothermal and/or magnetic heating is demonstrated.

[Full Paper]
Dirk H. Ortgies, Francisco J. Teran, Uéslen Rocha, Leonor de la Cueva, Gorka Salas, David Cabrera, Alexander S. Vanetsev, Mihkel Rähn, Väino Sammelselg, Yurii V. Orlovskii, Daniel Jaque
Adv. Funct. Mater., January 17, 2018, https://doi.org/10.1002/adfm.201704434 Read article

Multilayer Cucurbit[6]uril-Based Magnetic Nanoparticles Prepared by Host–Guest Interaction: Remarkable Adsorbent for Low Density Lipoprotein Removal from Plasma

Multilayer Cucurbit[6]uril‐Based Magnetic Nanoparticles Prepared by Host–Guest Interaction: Remarkable Adsorbent for Low Density Lipoprotein Removal from Plasma

A facile synthetic strategy based on host–guest interactions was developed to prepare multilayer cucurbit[6]uril-based magnetic nanoparticles, MNPs-(HA-DAH5/HA-CB[6]5). The compound was employed as a blood purification material for the removal of LDL from plasma because it had good blood compatibilitiy and could be easily separated with an external magnet.

[Full Paper]
Dandan Jiang, Xiqian Li, Qiong Jia
Chem. Eur. J., January 16, 2018, https://doi.org/10.1002/chem.201705280 Read article

Rational Design of [13C,D14]Tert-butylbenzene as a Scaffold Structure for Designing Long-lived Hyperpolarized 13C Probes

Rational Design of [13C,D14]Tert‐butylbenzene as a Scaffold Structure for Designing Long‐lived Hyperpolarized 13C Probes

Things seem to be spinning: [13C,D14]Tert-butylbenzene is reported as a new scaffold structure for designing hyperpolarized 13C probes. Thanks to the minimized spin-lattice relaxation (T1) pathways, its water-soluble derivative showed a remarkably long 13C T1 value and long retention of the hyperpolarized spin state.

[Communication]
Yuki Imakura, Hiroshi Nonaka, Yoichi Takakusagi, Kazuhiro Ichikawa, Nesmine R. Maptue, Alexander M. Funk, Chalermchai Khemtong, Shinsuke Sando
Chem. Asian J., January 16, 2018, https://doi.org/10.1002/asia.201701652 Read article

A Terminal Fluoride Ligand Generates Axial Magnetic Anisotropy in Dysprosium Complexes

A Terminal Fluoride Ligand Generates Axial Magnetic Anisotropy in Dysprosium Complexes

A strong donor terminal fluoride ligand generates large crystal-field splittings within dysprosium(III) complexes and gives rise to new air-stable single molecule magnets with large barriers to magnetic relaxation. High-resolution luminescence spectroscopy data are presented and correlated with the single-molecule magnet behavior through experimental magnetic susceptibility data and ab initio calculations.

[Communication]
Lucie Norel, Lucy E. Darago, Boris Le Guennic, Khetpakorn Chakarawet, Miguel I. Gonzalez, Jacob H. Olshansky, Stéphane Rigaut, Jeffrey R. Long
Angew. Chem. Int. Ed., January 16, 2018, https://doi.org/10.1002/anie.201712139 Read article

Fourier Transform Surface Plasmon Resonance (FTSPR) with Gyromagnetic Plasmonic Nanorods

Fourier Transform Surface Plasmon Resonance (FTSPR) with Gyromagnetic Plasmonic Nanorods

FTSPR: Simple LSPR-based biosensing combined with magnetic rotation by introducing a ferromagnetic Fe segment into plasmonic Au blocks by an electrochemical method is demonstrated. By introducing specific binding events, a dynamically perturbed system was realized, resulting in the frequency lag of nanorods above a critical driving frequency that was analyzed by Fourier transformation.

[Communication]
Insub Jung, Haneul Yoo, Hee-Jeong Jang, Sanghyun Cho, Kyungeun Lee, Seunghun Hong, Sungho Park
Angew. Chem. Int. Ed., January 16, 2018, https://doi.org/10.1002/anie.201710619 Read article

Incorporation of Magnetic Nanoparticles in Poly(Methyl Methacrylate) Nanocapsules

Incorporation of Magnetic Nanoparticles in Poly(Methyl Methacrylate) Nanocapsules

Magnetic nanoparticles (MNPs) are efficiently incorporated in nanocapsules based on poly(methyl methacrylate) shell and an oil core composed of oleic acid and Crodamol. The effect of oil core composition and of incorporation of MNPs on polymerization kinetics, nanocapsule morphology, polymer microstructure, and magnetic properties of synthesized nanocapsules is investigated.

[Full Paper]
Ludmila I. Ronco, Paulo E. Feuser, Alexandre da Cas Viegas, Roque J. Minari, Luis M. Gugliotta, Claudia Sayer, Pedro H. H. Araújo
Macromol. Chem. Phys., January 15, 2018, https://doi.org/10.1002/macp.201700424 Read article

Magnetic Field-Enhanced 4-Electron Pathway for Well-Aligned Co3O4/Electrospun Carbon Nanofibers in the Oxygen Reduction Reaction

Magnetic Field‐Enhanced 4‐Electron Pathway for Well‐Aligned Co3O4/Electrospun Carbon Nanofibers in the Oxygen Reduction Reaction

Pleased to MEET you: A uniform Co3O4 film formation has a time-dependent growth mechanism under a constant low-current (50 μA) electrodeposition technique, which allows hydrogen peroxide to be effectively confined. A 3.92-electron pathway is obtained in the presence of a 1.32 mT magnetic field owing to the magnetically enhanced electron transfer (MEET) effect.

[Full Paper]
Zheng Zeng, Tian Zhang, Yiyang Liu, Wendi Zhang, Ziyu Yin, Zuowei Ji, Jianjun Wei
ChemSusChem, January 15, 2018, https://doi.org/10.1002/cssc.201701947 Read article

A New Co-P Nanocomposite with Ultrahigh Relaxivity for In Vivo Magnetic Resonance Imaging-Guided Tumor Eradication by Chemo/Photothermal Synergistic Therapy

A New Co‐P Nanocomposite with Ultrahigh Relaxivity for In Vivo Magnetic Resonance Imaging‐Guided Tumor Eradication by Chemo/Photothermal Synergistic Therapy

A nanotheranostic agent based on polydopamine functionalized Co-P nanocomposite is constructed with high NIR absorption, ultrahigh relaxivity, robust biocompatibility, and NIR-triggered drug release capacity, and it can offer MRI-guided chemo-photothermal combination therapy. The synergistic effect can eliminate tumors while eliminating the adverse side effects.

[Full Paper]
Jianhua Liu, Longhai Jin, Yinghui Wang, Xing Ding, Songtao Zhang, Shuyan Song, Daguang Wang, Hongjie Zhang
Small, January 11, 2018, https://doi.org/10.1002/smll.201702431 Read article

Magnetically Actuated Rolling of Star-Shaped Hydrogel Microswimmer

Magnetically Actuated Rolling of Star‐Shaped Hydrogel Microswimmer

A fuel-free, magnetically powered elastic hydrogel-based microswimmer in different fluids is reported. The new fuel-free propulsion, biodegradability, and remote-controllable movement of the hydrogel-based microswimmer represent a significant step towards biomedical applications.

[Full Paper]
Narisu Hu, Lefeng Wang, Wenhe Zhai, Mengmeng Sun, Hui Xie, Zhiguang Wu, Qiang He
Macromol. Chem. Phys., January 11, 2018, https://doi.org/10.1002/macp.201700540 Read article

Core/Shell Polystyrene/Magnetite Hybrid Nanoparticles Fabricated by Pickering Emulsion Polymerization and Their Magnetorheological Response

Core/Shell Polystyrene/Magnetite Hybrid Nanoparticles Fabricated by Pickering Emulsion Polymerization and Their Magnetorheological Response

PS/Fe3O4 composite magnetic particles are synthesized through a Pickering emulsion polymerization process and then their magnetorheological (MR) properties are studied using a rotational rheometer under various applied magnetic fields. Even though the PS/Fe3O4 particles showed a lower yield stress compared to Fe3O4-based MR fluid, a reduced density of the PS/Fe3O4 nanoparticles demonstrated an improved dispersion stability of the MR fluid.

[Full Paper]
Hyun Sik Chae, Shang Hao Piao, Wen Jiao Han, Hyoung Jin Choi
Macromol. Chem. Phys., January 11, 2018, https://doi.org/10.1002/macp.201700408 Read article

Characterization of Natural Rubber End Groups Using High-Sensitivity NMR

Characterization of Natural Rubber End Groups Using High‐Sensitivity NMR

End-group structures of natural rubber (NR) are analyzed by NMR with a cryoprobe-equipped modern instrument, with a combination of chemical and enzymatic treatments of NR samples. Based on the results of a series of NMR experiments, four types of α-end (terminating end) structures are proposed.

[Full Paper]
Takehiro Kitaura, Masatoshi Kobayashi, Lucksanaporn Tarachiwin, Hathainat Kum-ourm, Ai Matsuura, Kazuhisa Fushihara, Koichi Ute
Macromol. Chem. Phys., January 11, 2018, https://doi.org/10.1002/macp.201700331 Read article

Six Coordination Polymers based on 4-(1H-Imidazol-1-yl)phthalic Acid: Structural Diversities, Magnetism and Luminescence Properties

Six Coordination Polymers based on 4‐(1H‐Imidazol‐1‐yl)phthalic Acid: Structural Diversities, Magnetism and Luminescence Properties

[Article]
Jiye Liang, Wenyan Zhang, Yangtian Yan, Yunlong Wu, Gaopeng Li, Wenquan Tong, Yaoyu Wang
Z. Anorg. Allg. Chem., January 08, 2018, https://doi.org/10.1002/zaac.201700338 Read article

Magnetism in Heterobimetallic and Heterotrimetallic Chains Based on the Use of [WV(bipy)(CN)6] as a Metalloligand

Magnetism in Heterobimetallic and Heterotrimetallic Chains Based on the Use of [WV(bipy)(CN)6]– as a Metalloligand

The assembly of the heteroleptic cyanido [WV(bipy)(CN)6] species with the mononuclear [MnII(pyim)2]2+ and binuclear [CuII(valpn)MnII]2+ complexes, respectively, affords two 1-D coordination polymers, 1[{MnII(pyim)2}{(µ-NC)2WV(bipy)(CN)4}][WV(bipy)(CN)6] and 1[{CuIIMnIIL}{(µ-NC)3WV(bipy)(CN)3}][WV(bipy)(CN)6]·0.75H2O·2MeCN. Both compounds exhibit ferrimagnetic behavior.

[Full Paper]
Maria-Gabriela Alexandru, Diana Visinescu, Sergiu Shova, Marius Andruh, Francesc Lloret, Miguel Julve
Eur. J. Inorg. Chem., January 05, 2018, https://doi.org/10.1002/ejic.201701245 Read article

High Spin to Low Spin Relaxation Regime Change in a Multistep 3D Spin-Crossover Material

High Spin to Low Spin Relaxation Regime Change in a Multistep 3D Spin‐Crossover Material

[Full Paper]
Guillaume Chastanet, Natasha F. Sciortino, Suzanne M. Neville, Cameron J. Kepert
Eur. J. Inorg. Chem., January 05, 2018, https://doi.org/10.1002/ejic.201701127 Read article

Epitope-Resolved Detection of Peanut-Specific IgE Antibodies by Surface Plasmon Resonance Imaging

Epitope‐Resolved Detection of Peanut‐Specific IgE Antibodies by Surface Plasmon Resonance Imaging

Predicting peanut allergies: For the first time, epitope-resolved detection of peanut-specific IgE antibodies was achieved on a surface plasmon resonance imaging (SPRi) immunoarray using superparamagnetic bead-antibody conjugates (MB-Ab2). The level of IgE antibodies specific for a prominent peptide epitope, Ara h2–3, showed promise for predicting peanut sensitization.

[Communication]
Min Shen, Amit A. Joshi, Raghu Vannam, Chandra K. Dixit, Robert G. Hamilton, Challa V. Kumar, James F. Rusling, Mark W. Peczuh
ChemBioChem, January 04, 2018, https://doi.org/10.1002/cbic.201700513 Read article

Design of Magnetic Coordination Polymers Built from Polyoxalamide Ligands: A Thirty Year Story

Design of Magnetic Coordination Polymers Built from Polyoxalamide Ligands: A Thirty Year Story

In dedication to Olivier Kahn's scientific legacy, his rational approach to the design of molecular magnets combining physics, theoretical chemistry and synthesis chemistry, this review describes the scientific journey that has allowed for the controlled synthesis of 1D, 2D and 3D coordination polymers using oxamate and oxamidate ligands.

[Microreview]
Yves Journaux,, Jesús Ferrando-Soria, Emilio Pardo, Rafael Ruiz-Garcia, Miguel Julve, Francesc Lloret, Joan Cano, Yanling Li, Laurent Lisnard, Pei Yu, Humberto Stumpf, Cynthia L. M. Pereira
Eur. J. Inorg. Chem., January 03, 2018, https://doi.org/10.1002/ejic.201700984 Read article

Facile Synthesis of Optically Active and Magnetic Nanoparticles Carrying Helical Poly(phenyl isocyanide) Arms and Their Application in Enantioselective Crystallization

Facile Synthesis of Optically Active and Magnetic Nanoparticles Carrying Helical Poly(phenyl isocyanide) Arms and Their Application in Enantioselective Crystallization

Optically active and magnetic nanoparticles carrying Fe3O4 core and helical poly(phenyl isocyanide) arms are prepared via both “grafting from” and “grafting onto” strategies. This nanoparticle shows good performance in enantioselective crystallization and the enantiomeric excess of the induced crystal is up to 93%. Moreover, the nanoparticles can be readily recovered and recycled with the assistance of an external magnet.

[Communication]
Ya-Lan Lin, Jia-Hong Chu, Hao-Jun Lu, Na Liu, Zong-Quan Wu
Macromol. Rapid Commun., January 02, 2018, https://doi.org/10.1002/marc.201700685 Read article

Metal-to-Metal Electron Transfer: A Powerful Tool for the Design of Switchable Coordination Compounds

Metal‐to‐Metal Electron Transfer: A Powerful Tool for the Design of Switchable Coordination Compounds

Switchable coordination compounds have seen a rapid development in the last 30 years, since they can show bistability at the molecular scale. Here, we focus on a family of compounds invented by chemists to create molecular fragments of 3D Prussian blue analogs. The remarkable properties of these cyanido-bridged Fe–Co molecules, in particular the thermally-induced and light-induced electron transfer, are presented.

[Microreview]
Corine Mathonière
Eur. J. Inorg. Chem., December 29, 2017, https://doi.org/10.1002/ejic.201701194 Read article

Electrically Detected Magnetic Resonance Observations of Spin-Dependent Space-Charge-Limited Conduction in Regioregular Poly(3-Hexylthiophene)

Electrically Detected Magnetic Resonance Observations of Spin‐Dependent Space‐Charge‐Limited Conduction in Regioregular Poly(3‐Hexylthiophene)

Spin-dependent bipolaron formation from positively charged mobile and trapped polarons in a regioregular poly(3-hexylthiophene-2,5-diyl) Schottky barrier diode is detected using electrically detected magnetic resonance and carrier traps are found to exist in the crystalline grain boundaries in the polymer.

[Full Paper]
Kunito Fukuda, Naoki Asakawa
Macromol. Chem. Phys., December 27, 2017, https://doi.org/10.1002/macp.201700395 Read article

Synthesis, Electronic Structures, and Electrochemistry of 3-Triarylphosphoraniminato-1,3,5-trithia-2,4,6,8-tetrazocines: Detection of Trithiatetrazocinyl Radical Anions

Synthesis, Electronic Structures, and Electrochemistry of 3‐Triarylphosphoraniminato‐1,3,5‐trithia‐2,4,6,8‐tetrazocines: Detection of Trithiatetrazocinyl Radical Anions

New identity: Reduction of the title compounds at −2.0 V vs. Cp2Fe0/+ forms anion radicals [ArCN2S2N2SN=PAr′3]−., identified for the first time through in situ EPR spectroelectrochemistry supported by UB3LYP/6-311+G(d,p)//UB3LYP/6-31G(d,p) hybrid DFT calculations. Even at 223 K in CH2Cl2/[nBu4N][PF6] solutions, the initially formed radicals rapidly decompose to secondary radical products, amongst which well-known and stable 1,2,3,5-dithiadiazolyls ArCN2S2. are identified.

[Article]
Xin Yu, Tracey L. Roemmele, René T. Boeré
ChemElectroChem, December 27, 2017, https://doi.org/10.1002/celc.201701191 Read article

Nanocasting of Superparamagnetic Iron Oxide Films with Ordered Mesoporosity

Nanocasting of Superparamagnetic Iron Oxide Films with Ordered Mesoporosity

The synthesis of mesoporous superparamagnetic maghemite and magnetite films succeeded using amphiphilic block-copolymer micelles as soft-templates. Thermal treatment of the initially formed mesoporous ferrihydrite in nitrogen produces maghemite, which is partly reduced to magnetite via reduction in hydrogen while retaining the mesoporous structure. The resulting materials feature a unique combination of high surface area, controlled pore diameter, and tunable magnetic properties.

[Full Paper]
Katrin Kraffert, Anke Kabelitz, Konrad Siemensmeyer, Roman Schmack, Denis Bernsmeier, Franziska Emmerling, Ralph Kraehnert
Adv. Mater. Interfaces, December 27, 2017, https://doi.org/10.1002/admi.201700960 Read article

Advances in Magnetic Nanoparticles for Biomedical Applications

Advances in Magnetic Nanoparticles for Biomedical Applications

Magnetic nanoparticles (NPs) are emerging as a new class of biomedical functional nanomaterials in the areas of hyperthermia, drug release, tissue engineering, theranostic, and lab-on-a-chip. This review first addresses the structure, synthesis, properties, and the incorporation of magnetic NPs on the nanocomposite systems, and then emphasizes the biofunctionalization and their practical usefulness. In the end, the challenges and outlook are addressed.

[Review]
Vanessa Fernandes Cardoso, António Francesko, Clarisse Ribeiro, Manuel Bañobre-López, Pedro Martins, Senentxu Lanceros-Mendez
Adv. Healthcare Mater., December 27, 2017, https://doi.org/10.1002/adhm.201700845 Read article

Synthesis, Structure, and Magnetic Properties of a Family of Complexes Containing a {CoII2DyIII} Pivalate Core and a Pentanuclear CoII4DyIII Derivative

Synthesis, Structure, and Magnetic Properties of a Family of Complexes Containing a {CoII2DyIII} Pivalate Core and a Pentanuclear CoII4DyIII Derivative

A series of complexes with a trinuclear CoII2DyIII core along with a pentanuclear CoII–{CoII2DyIII}–CoII derivative are prepared by self-assembly or step-by-step assembly reactions. The effects of the coordination environment and temperature on the distortion of the LnIII polyhedron are analyzed. The magnetic data are simulated with consideration of the anisotropy of the CoII and DyIII ions.

[Full Paper]
Mikhail Kiskin, Ekaterina Zorina-Tikhonova, Sergey Kolotilov, Alexander Goloveshkin, Galina Romanenko, Nikolay Efimov, Igor Eremenko
Eur. J. Inorg. Chem., December 21, 2017, https://doi.org/10.1002/ejic.201701056 Read article

3D Carbon Scaffolds for Neural Stem Cell Culture and Magnetic Resonance Imaging

3D Carbon Scaffolds for Neural Stem Cell Culture and Magnetic Resonance Imaging

Neural stem cells cultured on 3D glassy carbon scaffolds are noninvasively characterized by high-resolution magnetic resonance imaging (MRI). Scaffolds are obtained from pyrolysis of porous cryogels, opening the potential for tailoring the scaffold morphology as dictated by the cellular microenvironment. MRI data are further processed to yield spectacular videos and reconstructed images where individual cell clusters can be identified.

[Communication]
Erwin Fuhrer, Anne Bäcker, Stephanie Kraft, Friederike J. Gruhl, Matthias Kirsch, Neil MacKinnon, Jan G. Korvink, Swati Sharma
Adv. Healthcare Mater., December 21, 2017, https://doi.org/10.1002/adhm.201700915 Read article

Hidden Hysteretic Behavior of a Paramagnetic Iron(II) Network Revealed by Light Irradiation

Hidden Hysteretic Behavior of a Paramagnetic Iron(II) Network Revealed by Light Irradiation

We investigate the effect of elastic frustration on the inhibition of the spin-crossover phenomenon and the possible observation of hidden hysteresis loops and selective-wavelength bidirectional photoswitching between two stable states.

[Full Paper]
Mame Mguenar Ndiaye, Sébastien Pillet, El-Eulmi Bendeif, Mathieu Marchivie, Guillaume Chastanet, Kamel Boukheddaden, Smail Triki
Eur. J. Inorg. Chem., December 19, 2017, https://doi.org/10.1002/ejic.201701098 Read article

Synthesis and Characterization of Tb-Doped Nanoferrites

Synthesis and Characterization of Tb‐Doped Nanoferrites

Light vibes: Tb-doped superparamagnetic nanoferrites show multimodal behaviour: luminescence for labeling living tissues, and vibration in an external magnetic field of low frequency, thus providing a stimuli-responsive drug release into the target area where these nanoparticles accumulate under the effect of a permanent magnetic field. Moreover, Tb3+ as dopant presents an excellent possibility to meet therapeutic requirements for radiotherapy after replacement by radioactive 161Tb3+.

[Full Paper]
Aleksandra Rękorajska, Grzegorz Cichowicz, Michal K. Cyranski, Michal Grden, Marek Pekala, Gary J. Blanchard, Pawel Krysinski
ChemNanoMat, December 19, 2017, https://doi.org/10.1002/cnma.201700344 Read article

Mononuclear and One-Dimensional Cobalt(II) Complexes with the 3,6-Bis(picolylamino)-1,2,4,5-tetrazine Ligand

Mononuclear and One‐Dimensional Cobalt(II) Complexes with the 3,6‐Bis(picolylamino)‐1,2,4,5‐tetrazine Ligand

[Full Paper]
Oleh Stetsiuk, Abdelkrim El-Ghayoury, Francesc Lloret, Miguel Julve, Narcis Avarvari
Eur. J. Inorg. Chem., December 18, 2017, https://doi.org/10.1002/ejic.201701224 Read article

Fine Control of the Metal Environment within Dysprosium-Based Mononuclear Single-Molecule Magnets

Fine Control of the Metal Environment within Dysprosium‐Based Mononuclear Single‐Molecule Magnets

[Full Paper]
Djamila Guettas, Vincent Montigaud, Guglielmo Fernandez Garcia, Paolo Larini, Olivier Cador, Boris Le Guennic, Guillaume Pilet
Eur. J. Inorg. Chem., December 18, 2017, https://doi.org/10.1002/ejic.201701106 Read article

Antiferromagnetic Interactions in Copper(II) µ-Oxalato Dinuclear Complexes: The Role of the Counterion

Antiferromagnetic Interactions in Copper(II) µ‐Oxalato Dinuclear Complexes: The Role of the Counterion

[Full Paper]
Miguel Julve, Alain Gleizes, Lise Marie Chamoreau, Eliseo Ruiz, Michel Verdaguer
Eur. J. Inorg. Chem., December 18, 2017, https://doi.org/10.1002/ejic.201700935 Read article

Rational Self-Assembly of Tricobalt Extended Metal Atom Chains and [MF6]2– Building Blocks into One-Dimensional Coordination Polymers

Rational Self‐Assembly of Tricobalt Extended Metal Atom Chains and [MF6]2– Building Blocks into One‐Dimensional Coordination Polymers

Two 1D coordination polymers based on tricobalt extended metal-atom chains (EMACs) and 5d hexafluoridometallates (M = IrIV, OsIV) are reported. Magnetic studies show the presence of ferromagnetic interactions between the [Co3(dpa)4]2+ (Hdpa = 2,2′-dipyridylamine) and [IrF6]2– magnetic sites [J/kB = +0.13(6) K], whereas the [OsF6]2– units mediate antiferromagnetic interactions [J/kB = –1.9(4) K].

[Full Paper]
Miguel Cortijo, Vladimir Bulicanu, Kasper S. Pedersen, Mathieu Rouzières, Jesper Bendix, Rodolphe Clérac, Elizabeth A. Hillard
Eur. J. Inorg. Chem., December 15, 2017, https://doi.org/10.1002/ejic.201701084 Read article

Direct Evidence of a Photoinduced Electron Transfer in Diluted “Molybdenum-Copper” Molecular Compounds

Direct Evidence of a Photoinduced Electron Transfer in Diluted “Molybdenum‐Copper” Molecular Compounds

The diluted molecular compounds [Mo(Zn(1–x)Cux)2tren] (x = 0–10 %) give a better understanding of the photomagnetic behaviour in Mo-Cu complexes. The results of this study have confirmed not only the light-induced excited spin state trapping effect centred on the molybdenum, but also support the photoinduced electron transfer corresponding to the [MoIV–CuII][RIGHTWARDS ARROW][MoV–CuI] transition.

[Full Paper]
Nathalie Bridonneau, Pierre Quatremare, Hans Jurgen von Bardeleben, Jean-Louis Cantin, Sébastien Pillet, El-Eulmi Bendeif, Valérie Marvaud
Eur. J. Inorg. Chem., December 15, 2017, https://doi.org/10.1002/ejic.201700983 Read article

Crystal Structure and Magnetic Properties of an Oxamato-Bridged Heterobimetallic Tetranuclear [NiIICuII]2 Complex of the Rack Type

Crystal Structure and Magnetic Properties of an Oxamato‐Bridged Heterobimetallic Tetranuclear [NiIICuII]2 Complex of the Rack Type

[Full Paper]
Natalia V. Reis, Wdeson P. Barros, Willian X. C. Oliveira, Cynthia L. M. Pereira, Willian R. Rocha, Carlos B. Pinheiro, Francesc Lloret, Miguel Julve, Humberto O. Stumpf
Eur. J. Inorg. Chem., December 15, 2017, https://doi.org/10.1002/ejic.201700821 Read article

Hard Magnetic Laves-Type (Fe,Si)2Zr Phase in the Known Fe–Si–Zr Ternary System

Hard Magnetic Laves‐Type (Fe,Si)2Zr Phase in the Known Fe–Si–Zr Ternary System

The present paper deals with an intermetallic compound composed of Fe, Si and Zr that exhibits promising hard magnetic properties. This rare earth metal free compound is suitable to fill the gap between hard ferrites and high-quality Nd–Fe–B magnets.

[Rapid Research Letter]
Dagmar Goll, Ralf Loeffler, Ulrich Pflanz, Thomas Gross, Gerhard Schneider
Phys. Status Solidi RRL, December 12, 2017, https://doi.org/10.1002/pssr.201700221 Read article

Nano-Species Release System Activated by Enzyme-Based XOR Logic Gate

Nano‐Species Release System Activated by Enzyme‐Based XOR Logic Gate

[Short Communication]
Yaroslav Filipov, Maria Gamella, Evgeny Katz
Electroanalysis, December 12, 2017, https://doi.org/10.1002/elan.201700742 Read article

Crystallinity and Microstructural Versatility in the Spin-Crossover Polymeric Material [Fe(Htrz)2(trz)](BF4)

Crystallinity and Microstructural Versatility in the Spin‐Crossover Polymeric Material [Fe(Htrz)2(trz)](BF4)

[Full Paper]
Arnaud Grosjean, Nathalie Daro, Stanislav Pechev, Céline Etrillard, Guillaume Chastanet, Philippe Guionneau
Eur. J. Inorg. Chem., December 12, 2017, https://doi.org/10.1002/ejic.201701150 Read article

Magneto-Optical Absorption in Graphene Superlattices: Dirac Point Effects

Magneto‐Optical Absorption in Graphene Superlattices: Dirac Point Effects

Magneto-optical absorption in graphene superlattices under perpendicular applied magnetic field is investigated. The calculations include the spectrum of the system obtained via a diagonalization procedure. The allowed optical transitions have been obtained for two different polarizations of the incident photon. The study includes the effects of temperature together with several setups for the potential of the superlattice.

[Rapid Research Letter]
Melquiades de Dios-Leyva, Michael Alejandro Hernández-Bertrán, Álvaro Luis Morales, Carlos Alberto Duque
Phys. Status Solidi RRL, December 07, 2017, https://doi.org/10.1002/pssr.201700347 Read article

Florence–Orsay: A Joint Laboratory with Olivier

Florence–Orsay: A Joint Laboratory with Olivier

Olivier Kahn, a life dedicated to molecular magnetism, to the theory and to the design of new molecular magnetic materials with desirable properties …

[Essay]
Dante Gatteschi, Michel Verdaguer
Eur. J. Inorg. Chem., December 07, 2017, https://doi.org/10.1002/ejic.201700985 Read article

Study of the Electronic Structure of NiGa2S4 and Extraction of the Spin Hamiltonian Parameters from Ab Initio Calculations

Study of the Electronic Structure of NiGa2S4 and Extraction of the Spin Hamiltonian Parameters from Ab Initio Calculations

[Full Paper]
Barthélémy Pradines, Lionel Lacombe, Nathalie Guihéry, Nicolas Suaud
Eur. J. Inorg. Chem., December 06, 2017, https://doi.org/10.1002/ejic.201700974 Read article

Solution and Solid-State Study of the Spin-Crossover [FeII(R-bik)3](BF4)2 Complexes (R = Me, Et, Vinyl)

Solution and Solid‐State Study of the Spin‐Crossover [FeII(R‐bik)3](BF4)2 Complexes (R = Me, Et, Vinyl)

[Full Paper]
Siddhartha De, Subrata Tewary, Delphine Garnier, Yanling Li, Geoffrey Gontard, Laurent Lisnard, Alexandrine Flambard, Frank Breher, Marie-Laure Boillot, Gopalan Rajaraman, Rodrigue Lescouëzec
Eur. J. Inorg. Chem., December 05, 2017, https://doi.org/10.1002/ejic.201701013 Read article

Spin State Crossover, Vibrational, Computational, and Structural Studies of FeII 1-Isopropyl-1H-tetrazole Derivatives

Spin State Crossover, Vibrational, Computational, and Structural Studies of FeII 1‐Isopropyl‐1H‐tetrazole Derivatives

[Fe(iptz)6]X2 (X = BF4, ClO4) (iptz = 1-isopropyl-1H-tetrazole) have a gradual and incomplete spin conversion around 95 K, as well as a reversible thermochromic effect. The X-ray crystal structures of these and [Fe(iptz)2(H2O)2(CH3SO3)2], [Fe(iptz)4Cl2], and [Fe(iptz)4(NCS)2] (two polymorphs; the first FeII mononuclear thiocyanato complex with coordinated 1-R-1H-tetrazole ligands) are presented. The impact of the Fe–N(CS) bond length and the electronic energy of the tilt of the NCS anions for a series of spin crossover complexes is discussed.

[Full Paper]
Valentin Smeets, Mariusz Wolff, Juliusz A. Wolny, Volker Schünemann, Marinela M. Dîrtu, Jun-Yi Ge, Johan Vanacken, Victor Moshchalkov, Yann Garcia
Eur. J. Inorg. Chem., December 05, 2017, https://doi.org/10.1002/ejic.201700981 Read article

A Bis-Binuclear NiII Complex with Easy and Hard Axes of Magnetization: Complementary Experimental and Theoretical Insights

A Bis‐Binuclear NiII Complex with Easy and Hard Axes of Magnetization: Complementary Experimental and Theoretical Insights

The use of a cryptand ligand has allowed the design of an antiferromagnetically coupled nonsymmetrical NiII binuclear complex with easy and hard magnetic axes, as demonstrated by complementary experimental and theoretical studies.

[Full Paper]
Fatima El-Khatib, Benjamin Cahier, Maurici López-Jordà, Régis Guillot, Eric Rivière, Hala Hafez, Zeinab Saad, Nathalie Guihéry, Talal Mallah
Eur. J. Inorg. Chem., December 05, 2017, https://doi.org/10.1002/ejic.201700977 Read article

Highly Oriented Magnetic Film Composed of Ga-Substituted ε-Iron Oxide and the Angular Dependence of the Magnetic Hysteresis Loops

Highly Oriented Magnetic Film Composed of Ga‐Substituted ε‐Iron Oxide and the Angular Dependence of the Magnetic Hysteresis Loops

Highly crystallographically oriented films based on ε-Ga0.45Fe1.55O3 magnetic nanoparticles were prepared. The angular dependence of the direction of the external magnetic field shows a rectangular magnetic hysteresis loop with a coercive field of 9.7 kOe and a magnetization of 30.4 emu g–1 when the external field is along the out of the plane of the film.

[Communication]
Marie Yoshikiyo, Asuka Namai, Kenta Imoto, Hiroko Tokoro, Shin-ichi Ohkoshi
Eur. J. Inorg. Chem., November 29, 2017, https://doi.org/10.1002/ejic.201701137 Read article

From Heptacoordinated CrIII Complexes with Cyanide or Isothiocyanate Apical Groups to 1D Heterometallic Assemblages with All-Pentagonal-Bipyramid Coordination Geometries

From Heptacoordinated CrIII Complexes with Cyanide or Isothiocyanate Apical Groups to 1D Heterometallic Assemblages with All‐Pentagonal‐Bipyramid Coordination Geometries

[Full Paper]
Céline Pichon, Bahjat Elrez, Virginie Béreau, Carine Duhayon, Jean-Pascal Sutter
Eur. J. Inorg. Chem., November 28, 2017, https://doi.org/10.1002/ejic.201700845 Read article

H-Mediated Magnetic Interactions between Layers in a 2D MnII–Dicyanamide Polymer: Neutron Diffraction, DFT, and Quantum Monte Carlo Calculations

H‐Mediated Magnetic Interactions between Layers in a 2D MnII–Dicyanamide Polymer: Neutron Diffraction, DFT, and Quantum Monte Carlo Calculations

The magnetic phase diagram of MnII(dca)2(pym)(H2O) is established by neutron diffraction. The magnetic-interaction pathways are visualized by the PND induced-spin distribution in the paramagnetic phase. Antiferromagnetic coupling is mediated by dca bridges inside layers and by H bonding between layers. DFT and QMC calculations are compared with PND results and SQUID susceptibility measurements.

[Full Paper]
Béatrice Gillon, Albert Hammerschmied, Arsen Gukasov, Alain Cousson, Thomas Cauchy, Eliseo Ruiz, John A. Schlueter, Jamie L. Manson
Eur. J. Inorg. Chem., November 22, 2017, https://doi.org/10.1002/ejic.201700971 Read article

Crystallographic Insights into the Synthesis and Magnetic Properties of Oxoverdazyl Radicals Functionalized by Benzoic Acid

Crystallographic Insights into the Synthesis and Magnetic Properties of Oxoverdazyl Radicals Functionalized by Benzoic Acid

[Full Paper]
Varun Kumar, Sergiu Shova, Vincent Maurel, Ghenadie Novitchi, Cyrille Train
Eur. J. Inorg. Chem., November 22, 2017, https://doi.org/10.1002/ejic.201700950 Read article

Influence of Levulinic Acid Hydrogenation on Aluminum Coordination in Zeolite-Supported Ruthenium Catalysts: A 27Al 3QMAS Nuclear Magnetic Resonance Study

Influence of Levulinic Acid Hydrogenation on Aluminum Coordination in Zeolite‐Supported Ruthenium Catalysts: A 27Al 3QMAS Nuclear Magnetic Resonance Study

Changes in aluminum speciation in zeolite-supported ruthenium catalysts are investigated after the hydrogenation of levulinic acid under highly severe liquid-phase conditions. One- and two-dimensional 27Al triple-quantum magic-angle spinning NMR measurements together with FTIR spectroscopy provide insight into how changes in aluminum speciation correlate with catalyst performance.

[Communication]
Wenhao Luo, Ernst R. H. van Eck, Pieter C. A. Bruijnincx, Bert M. Weckhuysen
ChemPhysChem, November 22, 2017, https://doi.org/10.1002/cphc.201700785 Read article

Luminescence and Single-Molecule-Magnet Behaviour in Lanthanide Coordination Complexes Involving Benzothiazole-Based Tetrathiafulvalene Ligands

Luminescence and Single‐Molecule‐Magnet Behaviour in Lanthanide Coordination Complexes Involving Benzothiazole‐Based Tetrathiafulvalene Ligands

The effects of the nature of the tetrathiafulvalene-based ligand and the nature of the ancillary ligand on the luminescence and single-molecule magnetism of mononuclear lanthanide complexes are studied.

[Full Paper]
Yosuke Kishi, Louis Cornet, Fabrice Pointillart, François Riobé, Bertrand Lefeuvre, Olivier Cador, Boris Le Guennic, Olivier Maury, Hideki Fujiwara, Lahcène Ouahab
Eur. J. Inorg. Chem., October 30, 2017, https://doi.org/10.1002/ejic.201700893 Read article

Magnetism and Photomagnetism of Prussian Blue Analogue Nanoparticles Embedded in Porous Metal Oxide Ordered Nanostructures

Magnetism and Photomagnetism of Prussian Blue Analogue Nanoparticles Embedded in Porous Metal Oxide Ordered Nanostructures

[Microreview]
Giulia Fornasieri, Amélie Bordage, Anne Bleuzen
Eur. J. Inorg. Chem., October 24, 2017, https://doi.org/10.1002/ejic.201700819 Read article

Optimization of Magnetic Relaxation and Isotopic Enrichment in Dimeric DyIII Single-Molecule Magnets

Optimization of Magnetic Relaxation and Isotopic Enrichment in Dimeric DyIII Single‐Molecule Magnets

[Full Paper]
Gang Huang, Xiaohui Yi, Julie Jung, Olivier Guillou, Olivier Cador, Fabrice Pointillart, Boris Le Guennic, Kevin Bernot
Eur. J. Inorg. Chem., October 19, 2017, https://doi.org/10.1002/ejic.201700842 Read article

Evidence of Spin Canting, Metamagnetism, Negative Coercivity and Slow Relaxation in a Two-Dimensional Network of {Mn6} Cages

Evidence of Spin Canting, Metamagnetism, Negative Coercivity and Slow Relaxation in a Two‐Dimensional Network of {Mn6} Cages

A 2D network of covalently linked {Mn2IIIMn4II} entities with two different orientations of their Jahn–Teller axes and complex magnetic behaviour, displaying simultaneously weak ferromagnetism, spin canting, slow magnetic relaxation, metamagnetic behaviour and an unusual reversed hysteresis.

[Full Paper]
Catherine Dendrinou-Samara, James P. S. Walsh, Christopher A. Muryn, David Collison, Richard E. P. Winpenny, Floriana Tuna
Eur. J. Inorg. Chem., September 08, 2017, https://doi.org/10.1002/ejic.201700832 Read article

{[Ln(hfac)3]2[Cu(hfac)2]3(NIT-Pyrim)2(H2O)2} (LnIII = Gd, Ho, Er): Unique Nitronyl Nitroxide Bridged 3d–4f Heterometallic Clusters

{[Ln(hfac)3]2[Cu(hfac)2]3(NIT‐Pyrim)2(H2O)2} (LnIII = Gd, Ho, Er): Unique Nitronyl Nitroxide Bridged 3d–4f Heterometallic Clusters

Three novel 3d–4f pentanuclear clusters linked by pyrimidine-substituted nitronyl nitroxides have been achieved. The nitronyl nitroxide radical behaves as a tridentate ligand. Ferromagnetic couplings are observed between the metal ions and the radical ligands. Furthermore, Ho derivatives exhibit slow magnetic relaxation behavior, which is the first example of a nitronyl nitroxide–Ho-based SMM.

[Full Paper]
Cun Li, Hongdao Li, Jing Xie, Meng Yang, Xiufeng Wang, Licun Li
Eur. J. Inorg. Chem., August 21, 2017, https://doi.org/10.1002/ejic.201700576 Read article

Probing Transient Photoinduced Charge Transfer in Prussian Blue Analogues with Time-Resolved XANES and Optical Spectroscopy

Probing Transient Photoinduced Charge Transfer in Prussian Blue Analogues with Time‐Resolved XANES and Optical Spectroscopy

We studied the transient electron-transfer process induced by a femtosecond laser pulse in nanocrystals of CsCoFe and RbMnFe Prussian Blue analogues by time-resolved X-ray absorption near-edge structure and time-resolved optical spectroscopy. The results clearly evidence ultrafast CoIII(low spin)FeII[RIGHTWARDS ARROW]CoII(high spin)FeIII and MnIII(low spin)FeII[RIGHTWARDS ARROW]MnII(high spin)FeIII electron-transfer processes.

[Communication]
Serhane Zerdane, Marco Cammarata, Lodovico Balducci, Roman Bertoni, Laure Catala, Sandra Mazerat, Talal Mallah, Martin N. Pedersen, Michael Wulff, Kosuke Nakagawa, Hiroko Tokoro, Shin-ichi Ohkoshi, Eric Collet
Eur. J. Inorg. Chem., July 20, 2017, https://doi.org/10.1002/ejic.201700657 Read article

On the Effect of the Internal Pressure on the Photoinduced Spin-Crossover Behavior of [FexM1–x(1,10-phenanthroline)2(NCS)2] Solid Solutions (M = NiII, ZnII, and CdII)

On the Effect of the Internal Pressure on the Photoinduced Spin‐Crossover Behavior of [FexM1–x(1,10‐phenanthroline)2(NCS)2] Solid Solutions (M = NiII, ZnII, and CdII)

The thermal and light-induced magnetic properties of a family of metal-diluted spin-crossover complexes, [FexM1–x(phen)2(NCS)2] (phen = 1,10-phenantholine and M = NiII, CdII), are reported. The dilution has a strong effect on the magnetic and photomagnetic properties.

[Full Paper]
Mame Seyni Sylla, Chérif Baldé, Nathalie Daro, Cédric Desplanches, Mathieu Marchivie, Guillaume Chastanet
Eur. J. Inorg. Chem., June 30, 2017, https://doi.org/10.1002/ejic.201700350 Read article

Corrigendum: Large Magnetocaloric Effect, Moment, and Coercivity Enhancement after Coating Ni Nanoparticles with Ag

[Corrigendum]
Sanyadanam Srinath, Pankaj Poddar, Raja Das, Deepti Sidhaye, Bhagavatula Lakshmi Vara Prasad, James Gass, Hariharan Srikanth
ChemPhysChem, December 11, 2014, https://doi.org/10.1002/cphc.201402414 Read article

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