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2D van der Waals ferromagnets hold immense promise for spintronic applications due to their controllability and versatility. Despite their significance, the realization and in-depth characterization of ferromagnetic materials in atomically…

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…

Electrical control of magnetism of a ferromagnetic semiconductor offers exciting prospects for future spintronic devices for processing and storing information. Here, we report observation of electrically modulated magnetic phase transition…

Mesoscale and Nanoscale Physics · Physics 2020-06-19 Ivan. A. Verzhbitskiy , Hidekazu Kurebayashi , Haixia Cheng , Jun Zhou , Safe Khan , Yuan Ping Feng , Goki Eda

An investigation of the structural, thermodynamic, and electronic transport properties of the isoelectronic chemical substitution series Ce(Pd$_{1-x}$Ni$_x$)$_2$P$_2$ is reported, where a possible ferromagnetic quantum critical point is…

High Curie temperature of 900 K has been reported in Cr-doped AlN diluted magnetic semiconductors prepared by various methods, which is exciting for spintronic applications. It is believed that N defects play important roles in achieving…

Materials Science · Physics 2008-11-15 Li-Jie Shi , Li-Fang Zhu , Yong-Hong Zhao , Bang-Gui Liu

BiFeO3 is the most famous multiferroic material, but its G-type antiferromagnetism is highly desirable to be replaced by strong macroscopic magnetism beyond room temperature. Here we obtain double perovskite Bi2FeMoO6 with R3 (#146) space…

Materials Science · Physics 2014-10-20 Peng Chen , Bang-Gui Liu

The electronic structure of the ferromagnetic semiconductor EuO is investigated by means of spin- and angle-resolved photoemission spectroscopy (spin-ARPES) and density functional theory. EuO exhibits unique properties of hosting both…

Rutile CrO$_2$ is an important half-metallic ferromagnetic material, which is also widely used in magnetic recording. In an attempt to find the conditions, which lead to the increase the Curie temperature ($T_{\rm C}$), we study…

Strongly Correlated Electrons · Physics 2016-05-03 I. V. Solovyev , I. V. Kashin , V. V. Mazurenko

Magnetic phase transitions often occur spontaneously at specific critical temperatures. The presence of more than one critical temperature (Tc) has been observed in several compounds where the coexistence of competing magnetic orders…

We report the parameter-free, density functional theory calculations of interatomic exchange interactions and Curie temperatures of half-metallic ferrimagnetic full Heusler alloys Mn2VZ (Z=Al, Ge). To calculate the interatomic exchange…

Materials Science · Physics 2007-05-23 E. Sasioglu , L. M. Sandratskii , P. Bruno

Monolayer CrSBr is a recently discovered semiconducting spin-3/2 ferromagnet with a Curie temperature around 146 K. Unlike many other known two-dimensional (2D) magnets, CrSBr has an orthorhombic lattice, giving rise, for instance, to…

Materials Science · Physics 2024-01-05 Alexander N. Rudenko , Malte Rösner , Mikhail I. Katsnelson

Two-dimensional (2D) magnetic materials have attracted tremendous research interest because of the promising application in the next-generation microelectronic devices. Here, by the first-principles calculations, we propose a…

Materials Science · Physics 2024-06-19 Ming Yan , Z. Y. Xie , Miao Gao

In recent years, intrinsic two-dimensional (2D) magnetism aroused great interest because of its potential application in spintronic devices. However, low Curie temperature (\emph{T}$_c$) and magnetic anisotropy energy (MAE) limit its…

Materials Science · Physics 2021-10-01 Tengfei Hu , Wenhui Wan , Yingmei Li , Yanfeng Ge , Yong Liu

The generalized Heusler compounds Mn2CoZ (Z = Al, Ga, In, Si, Ge, Sn, Sb) with the Hg2CuTi structure are of large interest due to their half-metallic ferrimagnetism. The complex magnetic interactions between the constituents are studied by…

Materials Science · Physics 2011-03-07 Markus Meinert , Jan-Michael Schmalhorst , Günter Reiss

We have investigated multiple caloric effects in multiferroic Y2CoMnO6. Polycrystalline sample prepared by solid state method has shown a ferromagnetic Curie temperature 75 K with second order phase transition; a maximum magneto entropy…

Materials Science · Physics 2014-10-14 J. Krishna Murthy , A. Venimadhav

The recent discovery of magnetic ordering in two-dimension has lead to colossal efforts to find atomically thin materials that order at high temperatures. However, due to fundamental spin fluctuation in reduced dimension, the…

Strongly Correlated Electrons · Physics 2023-05-02 Chandan K. Singh , Mukul Kabir

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

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

La2Au2Cd and Ce2Au2Cd were prepared from the elements by reactions in sealed tantalum tubes in a water-cooled sample chamber of an induction furnace. These intermetallics crystallize with the tetragonal Mo2FeB2 type, space group P4/mbm.…

Materials Science · Physics 2009-11-11 S. Rayaprol , R. Poettgen

We compute the magnetic susceptibilities of interacting electrons in the presence of disorder on a two-dimensional square lattice by means of quantum Monte Carlo simulations. Clear evidence is found that at sufficiently low temperatures…

Strongly Correlated Electrons · Physics 2015-05-30 Prabuddha B. Chakraborty , Krzysztof Byczuk , Dieter Vollhardt