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Related papers: Weak itinerant ferromagnetism in Heusler type Fe2V…

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High TC fully compensated ferrimagnets are potential candidates for spin transfer torque based spintronic devices. We report the structural and magnetic properties of high TC fully compensated ferrimagnets Mn2V0.5Co0.5Z where Z is Ga, Al,…

Materials Science · Physics 2018-12-04 P V Midhunlal , J Arout Chelvane , D Prabhu , Raghavan Gopalan , Harish Kumar N

We propose a model with few parameters, for vacancy-induced ferromagnetism based on a correlated model for anions (oxygen orbitals) with random potentials that represent cation vacancies. There is a range of potential strength for which…

Strongly Correlated Electrons · Physics 2009-11-11 Georges Bouzerar , Timothy Ziman

We present a study of the magnetoresistance and Hall effect in the narrow-gap semiconductor FeSb2 at low temperatures. Both the electrical and Hall resistivities show unusual magnetic field dependence in the low-temperature range where a…

Strongly Correlated Electrons · Physics 2015-06-03 H. Takahashi , R. Okazaki , Y. Yasui , I. Terasaki

Co3Sn2S2 has been reported to be a Weyl semimetal with broken time-reversal symmetry with c axis ferromagnetism (FM) below a Curie temperature of 177 K. Despite the large interest in Co3Sn2S2, the magnetic structure is still under debate…

Developing novel high-temperature van der Waals ferromagnetic semiconductor materials and investigating their interface coupling effects with two-dimensional topological semimetals are pivotal for advancing next-generation spintronic and…

Materials Science · Physics 2024-02-02 Hao Wu , Li Yang , Gaojie Zhang , Wen Jin , Bichen Xiao , Wenfeng Zhang , Haixin Chang

A density functional theory of ferromagnetism in heterostructures of compound semiconductors doped with magnetic impurities is presented. The variable functions in the density functional theory are the charge and spin densities of the…

Condensed Matter · Physics 2009-11-07 J. Fernandez-Rossier , L. J. Sham

The electronic structure and magnetic exchange interactions in pure and V-doped Fe16N2 are studied within the framework of density functional theory. The Curie temperatures were obtained with both mean field approximation (MFA) as well as…

Materials Science · Physics 2018-10-24 Satadeep Bhattacharjee , Seung-Cheol Lee

Enhancement of Curie temperature ($T_\mathrm{C}$) of two-dimensional (2D) magnets is immensely desirable for room temperature spintronic applications. Fe$_{5}$GeTe$_{2}$ is an exceptional van der Waals metallic ferromagnet due to its…

Materials Science · Physics 2023-05-09 Sukanya Ghosh , Soheil Ershadrad , Biplab Sanyal

We have performed ^{31}P-NMR measurements on Ce(Ru_{1-x}Fe_{x})PO in order to investigate ferromagnetic (FM) quantum criticality, since heavy-fermion (HF) ferromagnet CeRuPO with a two-dimensional structure turns to a HF paramagnet by an…

Strongly Correlated Electrons · Physics 2013-02-05 Shunsaku Kitagawa , Kenji Ishida , Tetsuro Nakamura , Masanori. Matoba , annd Yoichi Kamihara

We report the electrical transport properties for Weyl semimetal TaAs in an intense magnetic field. Series of anomalies occur in the longitudinal magnetoresistance and Hall signals at ultra-low temperatures when the Weyl electrons are…

Mesoscale and Nanoscale Physics · Physics 2017-01-24 Cheng-Long Zhang , Bingbing Tong , Zhujun Yuan , Ziquan Lin , Junfeng Wang , Jinglei Zhang , Chuan-Ying Xi , Zhong Wang , Shuang Jia , Chi Zhang

The magnetic and electronic properties of Sr1-xLaxRuO3 were studied by means of dc-magnetization, ac-susceptibility, specific heat, and electrical resistivity measurements. The dc-magnetization and ac-susceptibility measurements have…

Strongly Correlated Electrons · Physics 2014-05-29 Ikuto Kawasaki , Makoto Yokoyama , Suguru Nakano , Kenji Fujimura , Naoaki Netsu , Hirofumi Kawanaka , Kenichi Tenya

We introduce a novel mechanism for the unusual itinerant ferromagnetism found in mixed valence systems like Ce(Rh$_{1-x}$Ru$_x$)$_3$B$_2$, La$_x$Ce$_{1-x}$Rh$_3$B$_2$, US, USe, and UTe. With it we can provide an explanation for the…

Strongly Correlated Electrons · Physics 2007-05-23 C. D. Batista , J. Bonča , J. E. Gubernatis

The existence of long range magnetic order in low dimensional magnetic systems, such as the quasi-two-dimensional (2D) van der Waals (vdW) magnets, has attracted intensive studies of new physical phenomena. The vdW Fe$_N$GeTe$_2$ ($N$ = 3,…

We report the thermodynamic and magnetotransport properties of the half-Heusler antimonide ErPdSb, studied on single-crystalline samples in wide ranges of temperature and magnetic fields. The compound was found to order…

Strongly Correlated Electrons · Physics 2026-03-10 Abhinav Agarwal , Shovan Dan , Maciej J. Winiarski , Orest Pavlosiuk , Piotr Wisniewski , Dariusz Kaczorowski

Recently, two-dimensional ferromagnetism in the family of Chromium compounds $\rm CrXTe_3 (X=Si, Ge)$ has attracted a broad research interest. Despite the structural similarity in $\rm CrTe_6$ octahedra, the size effect of inserted Ge or Si…

Applied Physics · Physics 2021-08-03 Zefang Li , Xue Li , Bei Ding , Hang Li , Yuan Yao , Xuekui Xi , Wenhong Wang

Understanding the ground state of van der Waals (vdW) magnets is crucial for designing devices leveraging these platforms. Here, we investigate the magnetic excitations and charge order in Fe$_{4.75}$GeTe$_2$, a vdW ferromagnet with…

We report the observation of ferromagnetism at over 900K in Cr-GaN and Cr-AlN thin films. The saturation magnetization moments in our best films of Cr-GaN and Cr-AlN at low temperatures are 0.42 and 0.6 u_B/Cr atom, respectively, indicating…

Materials Science · Physics 2009-11-10 H. X. Liu , Stephen Y. Wu , R. K. Singh , Lin Gu , David J. Smith , N. R. Dilley , L. Montes , M. B. Simmonds , N. Newman

Evolution of magnetism in single crystals of the van der Waals compound VI3 in external pressure up to 7.3 GPa studied by measuring magnetization and ac magnetic susceptibility is reported. Four magnetic phase transitions, at T1 = 54.5 K,…

We report anomalous physical properties of single-crystalline FeSi over a wide temperature range 1.8-400 K. X-ray diffraction, specific heat, and magnetization measurements indicate that the FeSi crystals synthesized in this study are of…

Materials Science · Physics 2018-04-09 Y. Fang , S. Ran , W. Xie , M. B. Maple

We report a systematic study of the $5d$-electron-doped system Ce(Fe$_{1-x}$Ir$_x$)$_2$Al$_{10}$ ($0 \leq x \leq 0.15$). With increasing $x$, the orthorhombic $b$~axis decreases slightly while accompanying changes in $a$ and $c$ leave the…

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