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Using the exact solution in terms of the generalized classical transfer matrix method we presented a detailed analysis of the magnetic properties and ground state structure of the simplified model of the single-chain magnet, trimetallic…

Statistical Mechanics · Physics 2014-03-12 Stefano Bellucci , Vadim Ohanyan , Onofre Rojas

The spin Hall magnetoresistance (SMR) allows to investigate the magnetic textures of magnetically ordered insulators in heterostructures with normal metals by magnetotransport experiments. We here report the observation of the SMR in…

Mesoscale and Nanoscale Physics · Physics 2021-05-17 Paul Rosenberger , Matthias Opel , Stephan Geprägs , Hans Huebl , Rudolf Gross , Martina Müller , Matthias Althammer

In this work we elaborated and characterized nanocomposite thin films using a preselected multiferroic matrix Bi$_{0.9}$Gd$_{0.1}$Fe$_{0.9}$Mn$_{0.1}$O$_3$ (BGFMO) in the aim to enhance their basic ferroelectric and magnetic properties. The…

We investigated static and dynamic magnetoelectric properties of single crystalline BaSrCoZnFe$_{11}$AlO$_{22}$ which is a room-temperature multiferroic with Y-type hexaferrite crystal structure. Below $300\,\rm K$, a purely…

Towards next-generation spintronics devices, such as computer memories and logic chips, it is necessary to satisfy high thermal stability, low-power consumption and high spin-polarization simultaneously. Here, from first-principles, we…

Materials Science · Physics 2014-11-04 Zhaoqiang Bai , Lei Shen , Yongqing Cai , Qingyun Wu , Minggang Zeng , Guchang Han , Yuan Ping Feng

Structural, magnetic and multiferroic properties of single crystals of Dy$_{1-x}$Ho$_x$MnO$_3$ ($x = 0, 0.2$) were investigated by the different methods of polarized and classical neutron diffraction and macroscopic methods in order to…

We observe an unusual behavior of the spin Hall magnetoresistance (SMR) measured in a Pt ultra-thin film deposited on a ferromagnetic insulator, which is a tensile-strained LaCoO3 (LCO) thin film with the Curie temperature Tc=85K. The SMR…

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

Angular-dependent in-plane magnetoresistance (AMR) for single crystal $Na_{0.34}(H_3O)_{0.15}CoO_2$ with charge ordering is studied systematically. The anisotropic magnetoresistance shows a twofold symmetry at high temperature with rotating…

Strongly Correlated Electrons · Physics 2009-11-11 C. H. Wang , X. H. Chen , G. Wu , T. Wu , H. T. Zhang , J. L. Luo , G. T. Liu , N. L. Wang

We investigate magnetic properties of the $s$ = 1/2 compound K$_{2}$Cu$_{3}$(MoO$_{4}$)$_{4}$ by combining magnetic susceptibility, magnetization, specific heat, and electron spin resonance (ESR) with density functional calculations. Its…

The chain-like system Ba_{3}Cu_{3}Sc_4O_{12} has potentially interesting magnetic properties due to the presence of Cu^{2+} and a structure-suggested low-dimensionality. We present magnetization M versus magnetic field H and temperature T,…

Strongly Correlated Electrons · Physics 2012-11-16 B. Koteswararao , A. V. Mahajan , F. Bert , P. Mendels , J. Chakraborty , V. Singh , I. Dasgupta , S. Rayaprol , V. Siruguri , A. Hoser , S. D. Kaushik

Heterostructures comprising ferromagnet (FM) and heavy metals (HM) with perpendicular magnetic anisotropy (PMA) and interfacial Dzyaloshinskii-Moriya interaction (iDMI) can host chiral domain walls and topological spin textures, making them…

A brief critical review is given of the 50-year history of experimental and theoretical studies of the magnetic properties of a new promising class of weak ferrimagnets such as RFe$_{1-x}$Cr$_x$O$_3$ with a non-magnetic R-ion (R = La , Y,…

Strongly Correlated Electrons · Physics 2024-01-19 Alexander Moskvin , Evgenii Vasinovich

We investigate the magnetic properties of the isostructural spinel-spinel interface of NiMn2O4(NMO)-Fe3O4. Although the magnetic transition temperature of the NMO film is preserved, both bulk and interface sensitive measurements demonstrate…

Strongly Correlated Electrons · Physics 2008-09-26 B. B. Nelson-Cheeseman , R. V. Chopdekar , J. S. Bettinger , E. Arenholz , Y. Suzuki

We report on a study of the electronic and magnetic properties of the triangular antiferromagnetic $\{Cu_3\}$ single-molecule magnet, based on spin density functional theory. Our calculations show that the low-energy magnetic properties are…

Mesoscale and Nanoscale Physics · Physics 2010-08-09 M. Fhokrul Islam , Javier F. Nossa , Carlo M. Canali , Mark Pederson

The ability to drive a spin system to state far from the equilibrium is indispensable for investigating spin structures of antiferromagnets and their functional nonlinearities for spintronics. While optical methods have been considered for…

Magnetism of a very thin antiferromagnetic (AFM) surface CuO has been investigated with the partially oxidized nanocomposites of Cu-CuCl, ~ 200 nm. The samples are characterized by X-ray diffraction, X-ray photoelectron spectroscopy,…

Materials Science · Physics 2009-11-11 Qi Li , Shi-Wei Zhang , Yan Zhang , Chinping Chen

A spin model of LiCu2O2 compound with ground state of ellipsoidal helical structure has been adopted. Taking into account the interchain coupling and exchange anisotropy, we focus on the magnetoelectric properties in a rotating magnetic…

Materials Science · Physics 2015-06-18 Yan Qi , An Du

We present a thorough study on the magnetoanisotropic properties and magnetocaloric effect in the layered ferromagnetic Cr$_4$Te$_5$ single crystals by performing the critical behaviour analysis of magnetization isotherms. The critical…

Materials Science · Physics 2022-09-20 Shubham Purwar , Susmita Changdar , Susanta Ghosh , S. Thirupathaiah

Multiferroicity in LiCu2O2 single crystals is studied using resonant soft x-ray magnetic scattering, hard x-ray diffraction, heat capacity, magnetic susceptibility, and electrical polarization. Two magnetic transitions are found at 24.6 K…