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Related papers: The First Cobalt Single-Molecule Magnet

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Magnetic properties and bonding analyses of perovskite structure Co$_{4}$N nitride have been investigated within density functional theory using both pseudo potential and all electron methods. In the same time, the structural and magnetic…

Materials Science · Physics 2015-08-11 Abdesalem Houari , Samir F. Matar , Mohamed A. Belkhir

We report the emergence of adsorption-induced magnetism from heterohelicene molecules on a non-magnetic Cu(100) surface. Spin-polarized low-energy electron microscopy (SP-LEEM) measurements reveal spin-dependent electron reflectivity for…

Materials based on a crown ether complex together with magnetic ions, especially Cu(II), can be used to synthesize new low dimesional quantum spin systems. We have prepared the new crown ether complex…

The structures and magnetic properties of the Co-Zr-B alloys near the Co5Zr composition were studied using adaptive genetic algorithm and first-principles calculations to guide further experimental effort on optimizing their magnetic…

Materials Science · Physics 2015-06-25 Xin Zhao , Liqin Ke , Manh Cuong Nguyen , Cai-Zhuang Wang , Kai-Ming Ho

Efficient and selective CO2 electroreduction into value-added chemicals and fuels emerged as a significant approach for CO2 conversion, however, it relies on catalysts with controllable product selectivity and reaction paths. In this work,…

Mesoscale and Nanoscale Physics · Physics 2022-10-26 Wei Xun , Xiao Yang , Qing-Song Jiang , Ming-Jun Wang , Yin-Zhong Wu , Ping Li

Single-molecule magnets (SMMs) are promising elements for quantum informatics. In the presence of strong magnetic anisotropy, they exhibit magnetization blocking - a magnetic memory effect at the level of a single molecule. Recent studies…

In order to investigate the relationship between superconductivity and magnetism in bilayer-hydrate cobaltate Na_x(H_3O)_zCoO_2 \cdot yH_2O, Co nuclear magnetic resonance (NMR) and nuclear quadrupole resonance (NQR) measurements were…

Superconductivity · Physics 2009-11-13 Y. Ihara , H. Takeya , K. Ishida , K. Yoshimura , K. Takada , T. Sasaki , H. Sakurai , E. Takayama-Muromachi

We study a model which could explain some of the unusual magnetic properties observed for the one-dimensional helical spin system Co(hfac)_2 NITPhOMe. One of the properties observed is that the magnetization shows plateaus near zero and…

Statistical Mechanics · Physics 2009-11-10 V. Ravi Chandra , S. Ramasesha , Diptiman Sen

Inelastic neutron scattering (INS) experiments were performed to investigate the spin dynamics in magnetoelectric effect (ME) LiCoPO$_4$ single crystals. Weak dispersion was detected in the magnetic excitation spectra along the three…

Strongly Correlated Electrons · Physics 2013-08-14 Wei Tian , Jiying Li , Jeffrey W. Lynn , Jerel L. Zarestky , David Vaknin

The magnetization of Zn1-xCoxO (0.0055 < x < 0.073) nanoparticles has been measured as a function of temperature T (1.7 K < T , 10 K) and for magnetic field up to 65 kOe using a SQUID magnetometer. Samples were synthesized by three…

Materials Science · Physics 2022-05-13 X. Gratens , B. de Abreu Silva , M. I. B. Bernardi , H. B. de Carvalho , A. Franco , V. A. Chitta

We investigate the bulk magnetic, electron paramagnetic resonance, and magneto-optical properties of {Ni4Mo12}, a magnetic molecule with antiferromagnetically coupled tetrahedral {Ni4Mo12} in a diamagnetic molybdenum matrix. The…

The magnetic properties of the cobaltite {\BCAO}, a good realization of the quasi two-dimensional frustrated honeycomb-lattice system with strong planar anisotropy, have been reinvestigated by means of spherical neutron polarimetry with…

Materials Science · Physics 2018-01-23 L. P. Regnault , C. Boullier , J. E. Lorenzo

We demonstrate numerically that for the strongly anisotropic homometallic S=2 canted single-chain magnet described by the quantum antiferromagnetic Heisenberg model the correlation energy and exchange coupling constant can be directly…

Materials Science · Physics 2015-06-12 A. Barasiński , G. Kamieniarz , A. Drzewiński

We present detailed measurements of the discrete electron-tunneling level spectrum within nanometer-scale cobalt particles as a function of magnetic field and gate voltage, in this way probing individual quantum many-body eigenstates inside…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 M. M. Deshmukh , S. Gueron , E. Bonet , A. N. Pasupathy , S. Kleff , J. von Delft , D. C. Ralph

Lanthanide-based single-ion magnetic molecules can have large magnetic hyperfine interactions as well as large magnetic anisotropy. Recent experimental studies reported tunability of these properties by changes of chemical environments or…

Materials Science · Physics 2019-10-29 Aleksander L. Wysocki , Kyungwha Park

The novel spin-chain cobalt oxide Sr5Pb3CoO12 [P-62m, a = 10.1093(2) A and c = 3.562 51(9) A at 295 K] is reported. Polycrystalline sample of the compound was studied by neutron diffraction (at 6 and 295 K) and magnetic susceptibility…

Strongly Correlated Electrons · Physics 2009-11-07 K. Yamaura , Q. Huang , E. Takayama-Muromachi

We report a study of anisotropy in transport and magnetic properties of K0.64Fe1.44Se2.00 single crystals. The anisotropy in resistivity is up to one order of magnitude between 1.8 K and 300 K. Magnetic susceptibility exhibits weak…

Superconductivity · Physics 2011-05-19 Hechang Lei , C. Petrovic

Using focused-electron-beam-induced deposition, Cobalt magnetic nanospheres with diameter ranging between 100 nm and 300 nm are grown at the tip of ultra-soft cantilevers. By monitoring the mechanical resonance frequency of the cantilever…

The magnetic properties of a monolayer of Fe4 single molecule magnets grafted onto a Au (111) thin film have been investigated using low energy muon spin rotation. The properties of the monolayer are compared to bulk Fe4. We find that the…

Mesoscale and Nanoscale Physics · Physics 2009-09-28 Z. Salman , S. J. Blundell , S. R. Giblin , M. Mannini , L. Margheriti , E. Morenzoni , T. Prokscha , A. Suter , A. Cornia , R. Sessoli

The dimeric form of the single-molecule magnet [Mn$_4$O$_3$Cl$_4$(O$_2$CEt)$_3$(py)$_3$]$_2$ recently revealed interesting phenomena: no quantum tunneling at zero field and tunneling before magnetic field reversal. This is attributed to…