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Related papers: The First Cobalt Single-Molecule Magnet

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High-quality nonmagnetic half-Heusler ScPtBi single crystals were synthesized by a Bi self-flux method. This compound was revealed to be a hole-dominated semimetal with a large low-field magnetoresistance up to 240% at 2K in a magnetic…

Strongly Correlated Electrons · Physics 2015-12-09 Zhipeng Hou , Yue Wang , Enke Liu , Hongwei Zhang , Wenhong Wang , Guangheng Wu

Highly accurate variational calculations, based on a few-parameter, physically adequate trial function, are carried out for the hydrogen molecule \hh in inclined configuration, where the molecular axis forms an angle $\theta$ with respect…

Atomic Physics · Physics 2019-08-06 A. Alijah , J. C. López Vieyra , D. J. Nader , A. V. Turbiner , H. Medel Cobaxin

We present a detailed atomistic picture of the oxidation mechanism of Co nanoparticles and its impact on magnetism by experimentally following the evolution of the structure, chemical composition, and magnetism of individual, gas-phase…

Inspired by recent advancements in the field of single-atom magnets, particularly those involving rare-earth (RE) elements, we present a theoretical exploration employing DFT+$U$ calculations to investigate the magnetic properties of…

Mesoscale and Nanoscale Physics · Physics 2024-06-21 Johanna P. Carbone , Gustav Bihlmayer , Stefan Blügel

Advances in molecular spintronics rely on the in-depth characterization of the molecular building blocks in terms of their electronic and, more importantly, magnetic properties. For this purpose, inert substrates that interact only weakly…

Applied Physics · Physics 2019-11-06 Emil Sierda , Micha Elsebach , Roland Wiesendanger , Maciej Bazarnik

We have grown the single crystals of LaAu$_{2}$In$_{4}$ and CeAu$_{2}$In$_{4}$ by high temperature solution method and report on the anisotropic magnetic behavior of CeAu$_{2}$In$_{4}$ . The compounds crystallize in an orthorhombic…

Strongly Correlated Electrons · Physics 2015-05-13 Devang A. Joshi , P. Manfrinetti , S. K. Dhar , A. Thamizhavel

The magnetic behavior of single-crystalline CeCuGa3 has been investigated. The compound forms in a tetragonal BaAl4-type structure consisting of rare-earth planes separated by Cu-Ga layers. If the Cu-Ga site disorder is reduced, CeCuGa3…

Strongly Correlated Electrons · Physics 2015-06-04 Devang A. Joshi , P. Burger , P. Adelmann , D. Ernst , T. Wolf , K. Sparta , G. Roth , K. Grube , C. Meingast , H. v. Löhneysen

We report on the magnetic properties and the crystallographic structure of the cobalt nanowire arrays as a function of their nanoscale dimensions. X-ray diffraction measurements show the appearance of an in-plane HCP-Co phase for nanowires…

Materials Science · Physics 2009-11-24 J. Sanchez-Barriga , M. Lucas , F. Radu , E. Martin , M. Multigner , P. Marin , A. Hernando , G. Rivero

Magnetic properties of heterometallic warwickites $MgFeBO_4$, $Mg_{0.5}Co_{0.5}FeBO_4$, and $CoFeBO_4$ are presented, highlighting the effect of Co substitution on the magnetic properties of these compounds. The analysis of magnetization…

The magnetization of thin films of cobalt ferrite frequently falls far below the bulk value of 455 kAm-1, which corresponds to an inverse cation distribution in the spinel structure with a significant orbital moment of about 0.6 muB that is…

Materials Science · Physics 2018-01-03 F. Eskandari , S. B. Porter , M. Venkatesan , P. Kameli , K. Rode , J. M. D. Coey

Evolution of magnetization behaviour of cobalt film on nano patterned silicon substrate, with film thickness, has been studied. In situ magneto-optical Kerr effect measurements during film deposition allowed us to study genuine thickness…

Materials Science · Physics 2020-03-18 Khushboo Bukharia , Prasanta Karmakar , Dileep Kumar , Ajay Gupta

We report the crystal structure and magnetic behavior of the $4d^3$ spin-$\frac32$ silicophosphate MoP$_3$SiO$_{11}$ studied by high-resolution synchrotron x-ray diffraction, neutron diffraction, thermodynamic measurements, and ab initio…

Strongly Correlated Electrons · Physics 2021-09-23 Danis I. Badrtdinov , Lei Ding , Clemens Ritter , Jan Hembacher , Niyaz Ahmed , Yurii Skourski , Alexander A. Tsirlin

The adsorption behavior and the magnetic states of cobalt atoms and dimers on single vacancies in a graphene sheet are investigated by means of relativistic density functional calculations. It is found that local magnetic moments are formed…

Materials Science · Physics 2012-05-16 Hem C. Kandpal , Klaus Koepernik , Manuel Richter

Cobalt based sulphides of compositional formula Co$ _{3} $A$ _{2} $S$ _{2} $ (A = Sn and In) are endowed with frustrated kagome lattice structure and a plethora of novel phenomena determined from the topological band structure. Here-in, we…

Strongly Correlated Electrons · Physics 2022-10-26 V. Nagpal , S. Chaudhary , P. Kumar , Sudesh , S. Patnaik

We present a study of systems of single-molecule magnets using a semiclassical analysis and catastrophe theory. Separatrices in parameter space are constructed which are useful to determine the structure of the Hamiltonians energy levels.…

Quantum Physics · Physics 2023-06-21 David Stefan , Lohr-Robles , Enrique , Lopez-Moreno , Peter Otto Hess

We investigate theoretically and experimentally the static magnetic properties of single crystals of the molecular-based Single-Chain Magnet (SCM) of formula [Dy(hfac)$_{3}$NIT(C$_{6}$H$_{4}$OPh)]$_{\infty}$ comprising alternating Dy$^{3+}$…

Materials Science · Physics 2011-01-17 K. Bernot , J. Luzon , A. Caneschi , D. Gatteschi , R. Sessoli , L. Bogani , A. Vindigni , A. Rettori , M. G. Pini

Transport property is investigated in [Ca$_{2}$CoO$_{3-\delta}$]$_{0.62}$[CoO$_{2}$] single crystals obtained by varying annealing conditions. The $\rho_{ab}(T)$ exhibits a resistivity minimum, and the temperature corresponding to this…

Strongly Correlated Electrons · Physics 2007-05-23 X. G. Luo , X. H. Chen , G. Y. Wang , C. H. Wang , Y. M. Xiong , H. B. Song , H. Li , X. X. Lu

Many types of molecular motors have been proposed and synthesized in recent years, displaying different kinds of motion, and fueled by different driving forces such as light, heat, or chemical reactions. We propose a new type of molecular…

Mesoscale and Nanoscale Physics · Physics 2010-11-24 Johannes S. Seldenthuis , Ferry Prins , Joseph M. Thijssen , Herre S. J. van der Zant

Direct evidence of quantum coherence in a single-molecule magnet in frozen solution is reported with coherence times as long as T2 = 630 ns. We can strongly increase the coherence time by modifying the matrix in which the single-molecule…

Materials Science · Physics 2008-10-28 C. Schlegel , J. van Slageren , M. Manoli , E. K. Brechin , M. Dressel

The Kitaev honeycomb model has received significant attention for its exactly solvable quantum spin liquid ground states and fractionalized excitations. For realizing the model, layered cobalt oxides have been considered a promising…

Strongly Correlated Electrons · Physics 2025-01-27 Yuchen Gu , Xianghong Jin , Yuan Li
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