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Related papers: Magnetism in Mn delta-doped cubic GaN: density-fun…

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Governed by specific symmetries, altermagnetism is an emerging field in condensed matter physics, characterized by unique spin-splitting of the bands in the momentum space co-existing with the compensated magnetization as in…

We investigate the magnetotransport properties of the half-filled antiferromagnetic (AF) one-band Hubbard model under an external magnetic field using the single-site dynamical mean-field approximation (DMFT). Particular attention is paid…

Strongly Correlated Electrons · Physics 2026-03-18 Joel Bobadilla , Marcelo J. Rozenberg , Alberto Camjayi

The electronic structures of Fe-doped III-V semiconductors were studied by first-principles supercell calculation. It was found that their electronic structures are basically the same as those of Mn-doped ones except that the extra electron…

Strongly Correlated Electrons · Physics 2019-11-11 Shoya Sakamoto , Atsushi Fujimori

The effects of nonmagnetic Zn and magnetic Ni substitution for Cu site on magnetism are studied by measurements of uniform magnetic susceptibility for lightly doped La_{2-x}Sr_xCu_{1-z}M_zO_4 (M=Zn or Ni) polycrystalline samples. For the…

Superconductivity · Physics 2009-11-10 T. Machi , I. Kato , R. Hareyama , N. Watanabe , Y. Itoh , N. Koshizuka , S. Arai , M. Murakami

Conventional magnetism occurs in systems which contain transition metals or rare earth ions with partially filled $d$ or $f$ shells. It is theoretically predicted that compounds of groups IA and IIA with IV and V, in some structural phases,…

Materials Science · Physics 2017-03-28 Seyed Mojtaba Rezaei Sani , Omid Khakpour

Extensive studies on the impact of bismuth incorporation into the (Ga,Mn)As prototype dilute ferromagnetic semiconductor (DFS) on its structural, magnetic and magnetotransport properties are summarized in this review. Thin epitaxial layers…

Materials Science · Physics 2025-05-14 Tadeusz Wosinski

Neutron diffraction and magnetic susceptibility studies show that orthorhombic single-crystals of topological semimetals ${\rm Sr(Mn_{0.9}Cu_{0.1})Sb_2}$ and ${\rm Sr(Mn_{0.9}Zn_{0.1})Sb_2}$ undergo three dimensional C-type…

In this article, we examine the structure and the electronic, optical, and magnetic properties of ZnTe before and after doping with the transition metal Mn. The ab initio calculations of this compound were performed using the full potential…

Materials Science · Physics 2023-10-24 A. Brach , L. Bahmad , S. Benyoussef

The spin-fermion model was previously successful to describe the complex phase diagrams of colossal magnetoresistive manganites and iron-based superconductors. In recent years, two-dimensional magnets have rapidly raised up as a new…

Strongly Correlated Electrons · Physics 2023-08-22 Kaidi Xu , Di Hu , Jun Chen , Haoshen Ye , Lin Han , Shan-Shan Wang , Shuai Dong

We investigate the effect of Mn substitution in Fe$_2$Ti$_{1-x}$Mn$_x$Sn on electronic structure and magnetic and electrical transport properties. The spin-polarized density of states calculations using density-functional theory (DFT)…

Materials Science · Physics 2025-08-20 Kulbhushan Mishra , Shishir Kumar Pandey , S. Chaudhuri , Rajeev Rawat , P. A. Bhobe

We investigate the evolution of magnetic properties as a function of hydrogen doping in iron based superconductor LaFeAsO$_{1-x}$H$_x$ using the dynamical mean-field theory combined with the density-functional theory. We find that two…

Strongly Correlated Electrons · Physics 2017-01-04 Chang-Youn Moon , Hyowon Park , Kristjan Haule , Ji Hoon Shim

Neutron diffraction and magnetic susceptibility studies of orthorhombic single crystal {\Ksub} confirm the three dimensional (3D) C-type antiferromagnetic (AFM) ordering of the Mn$^{2+}$ moments at $T_{\rm N}=305 \pm 3$ K which is slightly…

Strongly Correlated Electrons · Physics 2019-07-30 Yong Liu , Farhan Islam , Kevin W. Dennis , Wei Tian , Benjamin G. Ueland , Robert J. McQueeney , David Vaknin

We present a first-principles investigation of the structural, electronic, and magnetic properties of the pristine and Fe-doped $\alpha$-MnO$_2$ using density-functional theory with extended Hubbard functionals. The onsite $U$ and intersite…

Materials Science · Physics 2022-08-29 Ruchika Mahajan , Arti Kashyap , Iurii Timrov

This article presents the results of several magnetic phases of doped La$_{2-x}$Sr$_x$CuO$_4$ using density-functional theory with an added Hubbard term (DFT+U). Doping factors from $x=0$ to 0.25 were examined. We found that a bond centered…

Superconductivity · Physics 2015-05-28 Simon Pesant , Michel Côté

We report on structural, susceptibility, conductivity, and heat-capacity studies of FeSe0.5Te0.5 single crystals with 2% substitution of Mn for Fe. Mn-doped samples show a higher onset temperature, a narrower width of the superconducting…

Superconductivity · Physics 2011-03-25 A. Günther , J. Deisenhofer , Ch. Kant , H. -A. Krug von Nidda , V. Tsurkan , A. Loidl

We report on a systematic study of optical properties of (Ga,Mn)As epilayers spanning the wide range of accessible substitutional Mn_Ga dopings. The growth and post-growth annealing procedures were optimized for each nominal Mn doping in…

A comprehensive first-principles study of the energetics, electronic and magnetic properties of Co-doped GaN(0001) thin films are presented and the effect of surface structure on the magnetic coupling between Co atoms is demonstrated. It is…

Computational Physics · Physics 2014-12-12 Zhenzhen Qin , Zhihua Xiong , Guangzhao Qin , Lanli Chen

Starting from a spin-orbital model for doped manganites, we investigate a competition between ferromagnetic and antiferromagnetic order in a one-dimensional model at finite temperature. The magnetic and orbital order at half filling support…

Strongly Correlated Electrons · Physics 2009-11-11 M. Daghofer , A. M. Oles , W. von der Linden

The electronic structure and intrinsic magnetic properties of $\text{Fe}_2\text{AlB}_2$-related compounds and their alloys have been investigated using density functional theory. For $\text{Fe}_2\text{AlB}_2$, the crystallographic $a$ axis…

Materials Science · Physics 2017-03-22 Liqin Ke , Bruce N. Harmon , Matthew J. Kramer

The electronic structural properties in the presence of constrained magnetization and a charged background are studied for a monolayer of FeSe in non-magnetic, checkerboard-, and striped-antiferromagnetic (AFM) spin configurations. First…

Superconductivity · Physics 2013-02-12 Timur Bazhirov , Marvin L. Cohen