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We report an experimental discovery of CrSnS3, a new Van der Waals ferromagnetic (FM) with Curie temperature TC ~119K. The Curie temperature is in qualitative agreement of Chittari et. al. DFT prediction (TC =112.3K) for an Ising model with…

Strongly Correlated Electrons · Physics 2022-07-29 F. Obad , Kh. A. Ziq

Recently, two-dimensional materials and nanoparticles with robust ferromagnetism are even of great interest to explore basic physics in nanoscale spintronics. More importantly, room-temperature magnetic semiconducting materials with high…

Materials Science · Physics 2018-03-23 Xi Chen , Zheng-Zhe Lin

Magnetic semiconductors are attracting high interest because of their potential use for spintronics, a new technology which merges electronics and manipulation of conduction electron spins. (GaMn)As and (GaMn)N have recently emerged as the…

Strongly Correlated Electrons · Physics 2009-11-10 N. Manyala , Y. Sidis , J. F. DiTusa , G. Aeppli , D. P. Young , Z. Fisk

Material research has been a major driving force in the development of modern nano-electronic devices. In particular, research in magnetic thin films has revolutionized the development of spintronic devices; identifying new magnetic…

In this work the theoretical and experimental investigations of Co2TiZ (Z = Si, Ge, or Sn) compounds are reported. Half-metallic ferromagnetism is predicted for all three compounds with only two bands crossing the Fermi energy in the…

The Mn2Ge2Te6 shows intrinsic ferromagnetic (FM) order, with Curie temperature (Tc) of 316 K. The FM order origins from superexchange interaction between Mn and Te atoms. Mn2Ge2Te6 is half-metal (HM), and spin-\b{eta} electron is a…

Chemical Physics · Physics 2022-05-04 Ziyuan An , Ya Su , Shuang Ni , Zhaoyong Guan

Hybrid structures consisting of two-dimensional (2D) magnets and semiconductors have exhibited extensive functionalities in spintronics and opto-spintronics. In this work, we have fabricated WSe$_2$/Fe$_3$GeTe$_2$ van der Waals (vdW)…

We calculate the Curie temperature of layered ferromagnets, chromium tri-iodide (CrI3), chromium tri-bromide (CrBr3), chromium germanium tri-telluride (CrGeTe3), and the Neel temperature of a layered anti-ferromagnet iron di-chloride…

Mesoscale and Nanoscale Physics · Physics 2021-01-27 Sabyasachi Tiwari , Maarten L Van de Put , Bart Soree , William G. Vandenberghe

The recent observations of ferromagnetic order in several two-dimensional (2D) materials have generated an enormous interest in the physical mechanisms underlying 2D magnetism. In the present prospective article we show that Density…

Materials Science · Physics 2020-02-18 Thomas Olsen

LaCrGe$_3$ is an itinerant, metallic ferromagnet with a Curie temperature ($T_C$) of $\sim$ 86 K. Whereas LaCrGe$_3$ has been studied extensively as a function of pressure as an example of avoided ferromagnetic quantum criticality,…

Strongly Correlated Electrons · Physics 2023-05-10 M. Xu , S. L. Bud'ko , R. Prozorov , P. C. Canfield

The seeking of room temperature ferromagnetic semiconductors, which take advantages of both the charge and spin degrees of freedom of electrons to realize a variety of functionalities in devices integrated with electronic, optical, and…

Materials Science · Physics 2018-07-26 Huan-Cheng Yang , Ben-Chao Gong , Kai Liu , Zhong-Yi Lu

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

We observe a singularity in the temperature derivative $d\rho/dT$ of resistivity at the Curie point of high-quality (Ga,Mn)As ferromagnetic semiconductors with $T_c$'s ranging from approximately 80 to 185 K. The character of the anomaly is…

We report the magnetic, electrical, and magnetotransport (Hall effect) properties of the hexagonal itinerant ferromagnet Cr$_{0.83}$Te. Further, a comprehensive study of the magneto-entropy scaling behavior has been done around the Curie…

Materials Science · Physics 2024-04-19 Shubham Purwar , Susmita Changdar , Susanta Ghosh , Tushar Kanti Bhowmik , S. Thirupathaiah

Based on first-principles electron structure calculations and employing the frozen-magnon approximation we study the exchange interactions in a series of transition-metal binary alloys crystallizing in the zinc-blende structure and…

Materials Science · Physics 2009-11-11 E. Sasioglu , I. Galanakis , L. M. Sandratskii , P. Bruno

Recent years have seen a tremendous rise of two-dimensional (2D) magnetic materials, several of which verified experimentally. However, most of the theoretical predictions to date rely on ab-initio methods, at zero temperature and…

Statistical Mechanics · Physics 2020-08-11 Joren Vanherck , Cihan Bacaksiz , Bart Sorée , Milorad V. Milošević , Wim Magnus

Since the celebrated discovery of graphene, the family of two-dimensional (2D) materials has grown to encompass a broad range of electronic properties. Recent additions include spin-valley coupled semiconductors, Ising superconductors that…

Diluted magnetic semiconductors including Mn-doped GaAs are attractive for gate-controlled spintronics but Curie transition at room temperature with long-range ferromagnetic order is still debatable to date. Here, we report the…

We report on the observation of the Ising quantum Hall ferromagnet with Curie temperature $T_C$ as high as 2 K in a modulation-doped (Cd,Mn)Te heterostructure. In this system field-induced crossing of Landau levels occurs due to the giant…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 J. Jaroszynski , T. Andrearczyk , G. Karczewski , J. Wrobel , T. Wojtowicz , E. Papis , E. Kaminska , A. Piotrowska , Dragana Popovic , T. Dietl

The electronic structure and the magnetism of the novel ferromagnetic semiconductor (Ga,Fe)Sb, whose Curie temperature $T_{\rm C}$ can exceed room temperature, were investigated by means of x-ray absorption spectroscopy (XAS), x-ray…