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Recent advancements in 2D materials have revealed the potential of van der Waals magnets, and specifically of their magnetic anisotropy that allows applications down to the 2D limit. Among these materials, CrSBr has emerged as a promising…

The Fe$_5$PB$_2$ compound offers tunable magnetic properties via the possibility of various combinations of substitutions on the Fe and P-sites. Here, we present a combined computational and experimental study of the magnetic properties of…

High coercivity magnets are an important resource for renewable energy, electric vehicles and memory technologies. Most hard magnetic materials incorporate rare-earths such as neodymium and samarium, but the concerns about the environmental…

Magneto-transport properties of SrIrO$_3$ thin films epitaxially grown on SrTiO$_3$, using reactive RF sputtering, are investigated. A large anisotropy between the in-plane and the out-of-plane resistivities is found, as well as a signature…

强关联电子 · 物理学 2017-07-04 L. Fruchter , O. Schneegans , Z. Z. Li

The current progress in describing rare-earth-based magnets' electronic structure and magnetic properties is discussed. We use several currently popular electronic structure methods to show the typical values of critical parameters that…

材料科学 · 物理学 2025-02-06 Zhen Zhang , Andrey Kutepov , Leonid Pourovskii , Vladimir Antropov

Amorphous thin films of Tb$_{17}$Co$_{83}$ (a-Tb-Co) grown by magnetron co-sputtering exhibit changes in magnetic anisotropy with varying growth and annealing temperatures. The magnetic anisotropy constant increases with increasing growth…

The structure and magnetic properties of nanocrystalline PrCo$_3$ prepared by high-energy milling technique have been investigated by means of X-ray diffraction using the Rietveld method coupled to Curie temperature and magnetic…

材料科学 · 物理学 2015-05-18 K. Younsi , V. Russier , L. Bessais

We have measured the magnetization of rare-earth chiral magnets Yb(Ni$_{1-x}$Cu$_x$)$_{3}$Al$_{9}$ for $x$=0 and 0.06 up to 14.5 T. Magnetization for the field direction $H \parallel c$, which is the hard axis at low temperatures and low…

强关联电子 · 物理学 2022-02-11 D. Ito , T. Matsumura , S. Ohara

We present a novel method for measuring the modulation of magnetic anisotropy and the strength of spin-orbit interaction by an electrical current in nanomagnets. Our systematic study explores the current dependencies of these properties…

介观与纳米尺度物理 · 物理学 2024-11-11 Vadym Zayets

Thermally assisted magnetic writing is an important technology utilizing temperature dependent magnetic properties to enable orientation of a magnetic data storage medium. Using an atomistic spin model we study non-equilibrium field cooled…

介观与纳米尺度物理 · 物理学 2014-09-26 R. F. L. Evans , W. J. Fan

We report on perpendicular magnetic anisotropy (PMA) in a Pt/Co2FeAl/MgO sandwiched structure with a thick Co2FeAl layer of 2-2.5 nm. The PMA is thermally stable that the anisotropy energy density Ku is 1.3{\times}106 erg/cm3 for the…

材料科学 · 物理学 2015-05-27 Xiaoqi Li , Shaoqian Yin , Yupeng Liu , Delin Zhang , Xiaoguang Xu , Jun Miao , Yong Jiang

We report a systematic investigation of anisotropic magnetocaloric effects in single crystal Cr$_2$Te$_3$. Single crystal samples are synthesized by chemical vapor transport and characterized by x-ray and Laue diffraction methods. The…

The paper reports the first successful fabrication of MgB2 superconducting tape using a flexible metallic substrate as well as its strong pinning force, which was verified by direct measurement of transport critical current density. The…

超导电性 · 物理学 2009-11-07 K. Komori , K. Kawagishi , Y. Takano , H. Fujii , S. Arisawa , H. Kumakura , M. Fukutomi , K. Togano

Spinel Cobalt Vanadate CoV$_2$O$_4$ has been grown on (001) SrTiO$_3$ substrates. Using torque magnetometry experiments, we find that the previously observed temperature induced anisotropy change, where the easy axis changes from the out of…

材料科学 · 物理学 2023-03-14 Sangsoo Kim , Christie Thompson , Yan Xin , Christianne Beekman

Heat-to-charge conversion efficiency of thermoelectric materials is closely linked to the entropy per charge carrier. Thus, magnetic materials are promising building blocks for highly efficient energy harvesters, as their carrier entropy is…

We investigate electronic transport through exfoliated multilayers of CrSBr, a 2D semiconductor that is attracting attention because of its magnetic properties. We find an extremely pronounced anisotropy that manifests itself in qualitative…

We report on the synthesis of LiCrTe$_2$ single crystals and on their anisotropic magnetic properties. We have obtained these single crystals by employing a Te/Li-flux synthesis method. We find LiCrTe$_2$ to crystallize in a TlCdS$_2$ -type…

We present the fabrication of metallic magnetic nanowires using a low temperature chemical process. We show that pressed powders and magnetically oriented samples exhibit a very high coercivity (6.5 kOe at 140 K and 4.8 kOe at 300 K). We…

材料科学 · 物理学 2007-11-14 T. Maurer , F. Ott , G. Chaboussant , Y. Soumare , J. -Y. Piquemal , G. Viau

We present a detailed study of the electrical transport properties of a recently discovered iron-based superconductor: Sm$_4$Fe$_2$As$_2$Te$_{0.72}$O$_{2.8}$F$_{1.2}$. We followed the temperature dependence of the upper critical field by…

超导电性 · 物理学 2016-12-20 A Pisoni , S Katrych , P Szirmai , B Náfrádi , R Gaál , J Karpinski , L Forró

We propose an analytical model devoted to explain the anisotropy of the electrical resistance observed below the critical temperature in granular high-Tc superconductors submitted to a magnetic field H. Reported experimental results…

超导电性 · 物理学 2009-11-07 D. Daghero , P. Mazzetti , A. Stepanescu , P. Tura , A. Masoero