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Related papers: Absence of ferromagnetism in VSe2 caused by its ch…

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Emergent phenomena driven by electronic reconstructions in oxide heterostructures have been intensively discussed. However, the role of these phenomena in shaping the electronic properties in van der Waals heterointerfaces has hitherto not…

The changes in magnetic properties of Ce(Fe0.9Co0.1)2 compound with increasing disorder are discussed in the paper. Homogeneous alloys are known to undergo the phase transition from ferromagnetic to antiferromagnetic state accompanied by…

Materials Science · Physics 2026-03-30 Andrzej Musiał , Maria Pugaczowa-Michalska , Natalia Lindner , Zbigniew Śniadecki

We present a combined experimental and theoretical study of monolayer VTe2 grown on highly oriented pyrolytic graphite by molecular-beam epitaxy. Using various in-situ microscopic and spectroscopic techniques, including scanning tunneling…

We report the temperature ($T$) dependence of ferromagnetic Bragg peak intensities and dc magnetization of the superconducting ferromagnet UGe2 under pressure ($P$). We have found that the low-$T$ behavior of the uniform magnetization can…

Strongly Correlated Electrons · Physics 2009-11-11 N. Aso , G. Motoyama , Y. Uwatoko , S. Ban , S. Nakamura , T. Nishioka , Y. Homma , Y. Shiokawa , K. Hirota , N. K. Sato

The density functional non-interacting susceptibility has been analyzed in different phases of CaFe2As2 and compared with similar data for pure d-metals. The conditions for the "no local moment" itinerant state with large frustrations are…

Superconductivity · Physics 2009-11-13 G. D. Samolyuk , V. P. Antropov

In the present paper we propose a mechanism of the structural instability with a periodic charge ordering in two-dimensional isotropic conductors with a closed Fermi surface which completely excludes the conventional nesting mechanism. We…

Strongly Correlated Electrons · Physics 2018-06-29 Anatoly M. Kadigrobov , Aleksa Bjeliš , Danko Radić

Two-dimensional chromium ditelluride (CrTe2) is a promising ferromagnetic layered material that exhibits long-range ferromagnetic ordering in the monolayer limit. The formation energies of the different possible structural phases (1T, 1H,…

Materials Science · Physics 2023-05-02 Yuhang Liu , Sohee Kwon , George J. de Coster , Roger K. Lake , Mahesh R. Neupane

Superconductivity and ferromagnetism are generally competing ground states in $d$-electron systems, making their interplay of fundamental interest. We report a comprehensive study of high-quality single- and polycrystalline V$_2$Ga$_5$, a…

Using {\it ab initio} density functional theory and single-orbital Hubbard model calculations via the density matrix renormalization group method, we systematically studied the monolayer VOI$_2$ with a $3d^1$ electronic configuration. Our…

Strongly Correlated Electrons · Physics 2021-03-31 Yang Zhang , Ling-Fang Lin , Adriana Moreo , Gonzalo Alvarez , Elbio Dagotto

A new mechanism for ferromagnetism in CeRh_3B_2 is proposed on the basis of variational Monte Carlo results. In a one-dimensional Anderson lattice where each 4f electron hybridizes with a ligand orbital between neighboring Ce sites,…

Strongly Correlated Electrons · Physics 2009-11-11 Hiroshi Kono , Yoshio Kuramoto

With the rise of two-dimensional (2D) materials, unique properties that are completely distinct from bulk counterparts continue to emerge at low-dimensional scales, presenting numerous opportunities and challenges. It also provides a new…

Materials Science · Physics 2023-12-18 Rui Song , Bili Wang , Kai Feng , Jia Yao , Mengjie Lu , Jing Bai , Shuai Dong , Ming An

The electronic and magnetic properties of transition metal dichalcogenides are known to be extremely sensitive to their structure. In this paper we study the effect of structure on the electronic and magnetic properties of mono- and bilayer…

We report on the interplay between a van Hove singularity and a charge density wave state in 2H-TaSe$_{2}$. We use angle-resolved photoemission spectroscopy to investigate changes in the Fermi surface of this material under surface doping…

Strongly Correlated Electrons · Physics 2024-02-19 W. R. B. Luckin , Y. Li , J. Jiang , S. M. Gunasekera , C. Wen , Y. Zhang , D. Prabhakaran , F. Flicker , Y. Chen , M. Mucha-Kruczynski

We investigated the electronic structure of monolayer VTe2 grown on bilayer graphene by angle-resolved photoemission spectroscopy (ARPES). We found that monolayer VTe2 takes the octahedral 1T structure in contrast to the monoclinic one in…

A heavy-fermion paramagnet UTe$_2$ has been a strong candidate for a spin-triplet superconductor. Experiments on UTe$_2$ under pressure have been vigorously conducted, and rich phase diagrams have been suggested. Multiple superconducting…

Strongly Correlated Electrons · Physics 2025-12-01 Makoto Shimizu , Youichi Yanase

The electronic origin of the structural transition in 1T-VSe$_2$ is re-evaluated through an extensive angle-resolved photoemission spectroscopy experiment. The components of the band structure, missing in previous reports, are revealed.…

Local spin density approximation calculations are used to elucidate electronic and magnetic properties of Heusler structure Fe_2VAl. The compound is found to be a low carrier density semimetal. The Fermi surface has small hole pockets…

Materials Science · Physics 2009-10-31 D. J. Singh , I. I. Mazin

As the bulk single-crystal MoN2/ReN2 with a layered structure was successfully synthesized in experiment, transition-metal dinitrides have attracted considerable attention in recent years. Here, we focus on rare-earth-metal (Rem) elements…

Materials Science · Physics 2022-01-19 Yawei Yu , Xin Chen , Xiaobiao Liu , Jia Li , Biplab Sanyal , Xiangru Kong , François M. Peeters , Linyang Li

Among Transition-Metal Dichalcogenides, mono and few-layers thick VSe2 has gained much recent attention following claims of intrinsic room-temperature ferromagnetism in this system, which have nonetheless proved controversial. Here, we…

We use angle-resolved photoemission spectroscopy (ARPES) and density functional theory (DFT) calculations to study the electronic structure of CaFe$_2$As$_2$ in previously unexplored collapsed tetragonal (CT) phase. This unusual phase of…