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We study the electric-field tunable electronic properties of phosphorene thin films, using the framework of density functional theory. We show that phosphorene thin films offer a versatile material platform to study two dimensional Dirac…

Mesoscale and Nanoscale Physics · Physics 2016-11-30 Barun Ghosh , Bahadur Singh , R. Prasad , Amit Agarwal

By combining bulk sensitive soft-X-ray angular-resolved photoemission spectroscopy and accurate first-principles calculations we explored the bulk electronic properties of WTe$_2$, a candidate type-II Weyl semimetal featuring a large…

We present a study of the tetragonal to collapsed-tetragonal transition of CaFe2As2 using angle-resolved photoemission experiments and dynamical mean field theory-based electronic structure calculations. We observe that the…

We present an investigation on electronic structure of 1T-TiTe2 material via high-resolution angle-resolved photoemission spectroscopy (ARPES), utilizing tunable photon energy excitations. The typical semimetal-like electronic structure is…

Strongly Correlated Electrons · Physics 2019-03-27 Xiao-Fang Tang , Yu-Xia Duan , Fan-Ying Wu , Shu-Yu Liu , Chen Zhang , Yin-Zou Zhao , Jiao-Jiao Song , Yang Luo , Qi-Yi Wu , Jun He , H. Y. Liu , Wen Xu , Jian-Qiao Meng

The surface of three-dimensional materials provides an ideal and versatile platform to explore quantum-confined physics. Here, we systematically investigate the electronic structure of Na-intercalated CrTe2, a van der Waals antiferromagnet,…

Angle resolved photoemission spectroscopy (ARPES) enables direct observation of the Fermi surface and underlying electronic structure of crystals---the basic concepts to describe all the electronic properties of solids and to understand the…

Superconductivity · Physics 2014-06-12 A. A. Kordyuk

Heat capacity experiments, crystal structure determination and transmission electron microscopy have been carried out on U3Cu3Sn4 single-crystals. U3Cu3Sn4 was confirmed to be a heavy-fermion antiferromagnet (TN=13(1) K) with a low…

Strongly Correlated Electrons · Physics 2009-10-31 L. Shlyk , P. Estrela , J. C. Waerenborgh , L. E. De Long , A. de Visser , D. P. Rojas , F. Gandra , M. Almeida

Temperature-dependent resistivity and magnetoresistance are measured in bulk tetragonal phase of antiferromagnetic CuMnAs and the latter is found to be anisotropic both due to structure and magnetic order. We compare these findings to model…

Altermagnets are a newly identified family of collinear antiferromagnets with momentum-dependent spin-split band structure of non-relativistic origin, derived from spin-group symmetry-protected crystal structures. Among candidate…

The structural and magneto-transport properties of type-II Dirac semimetal candidate Ir2In8S have been investigated under high pressure. The ambient tetragonal structure (P4_2/mnm) is found to be stable up to 7 GPa, above which the system…

Superconductivity · Physics 2022-05-23 Pallavi Malavi , Prakash Kumar , Navita Jakhar , Surjeet Singh , S. Karmakar

Electrons on Fermi arcs (FAs), a hallmark of Weyl semimetals, exhibit chiral transport harboring chiral anomaly, negative magnetoresistance, and Majorana zero modes. While FAs were observed in exemplary Weyl semimetal TaAs and Co3Sn2S2, the…

Materials Science · Physics 2025-09-01 Yiran Peng , Rui Liu , Pengyu Zheng , Zhiping Yin

Using density functional plus dynamical mean-field theory method (DFT+DMFT) with full self-consistency over the charge density, we study the effect of electronic correlations on the electronic structure, magnetic properties,…

Strongly Correlated Electrons · Physics 2019-12-25 S. L. Skornyakov , I. Leonov

We have performed electron transport and ARPES measurements on single crystals of transition metal dipnictide TaAs2 cleaved along the ($\overline{2}$ 0 1) surface which has the lowest cleavage energy. A Fourier transform of the Shubnikov-de…

Thick metallic silver films have been deposited onto Si(111)-(7x7) substrates at room temperature. Their electronic properties have been studied by using angle resolved photoelectron spectroscopy (ARPES). In addition to the electronic band…

Materials Science · Physics 2009-11-07 J. F. Sanchez-Royo , J. Avila , V. Perez-Dieste , M. de Seta , M. C. Asensio

A member of the RMn$_6$Sn$_6$ rare-earth family materials, TbMn$_6$Sn$_6$, recently showed experimental signatures of the realization of a quantum-limit Chern magnet. In this work, we use quantum Monte Carlo (QMC) and density functional…

Strongly Correlated Electrons · Physics 2023-09-29 Abdulgani Annaberdiyev , Subhasish Mandal , Lubos Mitas , Jaron T. Krogel , Panchapakesan Ganesh

Mn$_{1-x}$Ga$_x$ (MnGa) with the $L1_0$ structure is a ferromagnetic material with strong perpendicular magneto-crystalline anisotropy. Although MnGa thin films have been successfully grown epitaxially and studied for various spintronics…

The LnSbTe family is well known for hosting a plethora of intriguing characteristics stemming from its crystalline symmetry, magnetic structure, 4f electronic correlations and spin orbit coupling (SOC) phenomena. In this paper, we have…

Within the framework of the density functional theory, we calculate the electronic structure of $\alpha$-(BEDT-TTF)$_2$I$_3$ at 8K and room temperature at ambient pressure and with uniaxial strain along the $a$- and $b$-axes. We confirm the…

Strongly Correlated Electrons · Physics 2009-11-11 Hiori Kino , Tsuyoshi Miyazaki

Two-dimensional states in confined thin films of the three-dimensional Dirac semimetal Cd3As2 are probed by transport and capacitance measurements under applied magnetic and electric fields. The results establish the two-dimensional Dirac…

Mesoscale and Nanoscale Physics · Physics 2018-03-21 Luca Galletti , Timo Schumann , Omor F. Shoron , Manik Goyal , David A. Kealhofer , Honggyu Kim , Susanne Stemmer

We have studied the electronic structure of electron-doped cuprate superconductors via measurements of high-field Shubnikov-de Haas oscillations in thin films. In optimally doped Pr$_{2-x}$Ce$_{x}$CuO$_{4\pm\delta}$ and…

Superconductivity · Physics 2018-05-09 J S Higgins , M K Chan , Tarapada Sarkar , R D McDonald , R L Greene , N P Butch
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