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Related papers: Stabilizing intrinsic defects in SnO$_{2}$

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The introduction of magnetism in SnTe-class topological crystalline insulators is a challenging subject with great importance in the quantum device applications. Based on the first-principles calculations, we have studied the defect…

Materials Science · Physics 2016-05-17 Wang Na , Wang Jianfeng , Si Chen , Gu Bing-Lin , Duan Wenhui

The electronic structure and magnetism of a new magnetic intercalation compound (Li0.8Fe0.2)OHFeSe are investigated theoretically. The electronic structure calculations predict that the Fe in the (Li,Fe)OH intercalated layer is in +2…

Strongly Correlated Electrons · Physics 2017-02-14 Da-Yong Liu , Zhe Sun , Liang-Jian Zou

The electronic structure and magnetism of LiFeO$_{2}$Fe$_{2}$Se$_{2}$ are investigated using the first-principle calculations. The ground state is N$\acute{e}$el antiferromagnetic (AFM) Mott insulating state for Fe1 with localized magnetism…

Superconductivity · Physics 2014-02-20 Da-Yong Liu , Xiang-Long Yu , Ya-Min Quan , Xiao-Jun Zheng , Liang-Jian Zou

Defect-induced magnetism in graphene has been predicted theoretically and observed experimentally. However, there are open questions about the origin of the magnetic behavior when substitutional impurities with $sp$ electrons are…

Materials Science · Physics 2022-07-05 J. Hernández-Tecorralco , L. Meza-Montes , M. E. Cifuentes-Quintal , R. de Coss

Motivated by the recently reported high-temperature superconductivity in the bilayer La$_3$Ni$_2$O$_7$ (LNO) under pressure, here we comprehensively study this system using {\it ab initio} techniques. The Ni $3d$ orbitals have a large…

Superconductivity · Physics 2023-11-29 Yang Zhang , Ling-Fang Lin , Adriana Moreo , Elbio Dagotto

We report a first-principles study of the magnetic properties, site disorder and magneto-structural coupling in multiferroic gallium ferrite (GFO) using local spin density approximation (LSDA+U) of density functional theory. The…

Materials Science · Physics 2012-04-16 Amritendu Roy , Rajendra Prasad , Sushil Auluck , Ashish Garg

We investigate the electronic structure of nickelate superconductor NdNiO2 upon hole doping, by means of density-functional theory and dynamical mean-field theory. We demonstrate the strong intrinsic hybridization between strongly…

Strongly Correlated Electrons · Physics 2021-01-13 Zhao Liu , Chenchao Xu , Chao Cao , W. Zhu , Z. F. Wang , Jinlong Yang

While it is commonly accepted that the disorder induced by magnetic ion doping in quantum magnets usually generates a rugged free-energy landscape resulting in slow or glassy spin dynamics, the disorder/distortion effects associated with…

In this work, we study the effect of doping the Rutile-type dioxide SnO2 material by the non-metal Sulfur (S) atoms on the electronic properties. In fact, we have used the ab-initio method applied on the basis of the Density Functional…

Materials Science · Physics 2021-08-12 S. Idrissi , L. Bahmad , A. Benyoussef

The electronic structures of Mn-doped zincblende GaAs and wurtzite GaN are calculated using both standard local-density functional theory (LSDA), and a novel pseudopotential self-interaction-corrected approach (pseudo-SIC), able to account…

Mesoscale and Nanoscale Physics · Physics 2025-06-10 Alessio Filippetti , Nicola A. Spaldin , Stefano Sanvito

Despite its unique structural features, the magnetism of single-layered cuprate with five oxygen coordination ($T$*-type structure) has not been investigated thus far. Here, we report the results of muon spin relaxation and magnetic…

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

Here, we report an evolution of structural, magnetic and transport behavior in doped SrRu$_{1-x}$Ga$_x$O$_3$ ($x$ $\le$ 0.2). The nonmagnetic dopant Ga$^{3+}$ (3$d^{10}$) not only acts for magnetic site dilution in SrRuO$_3$ but also it…

Strongly Correlated Electrons · Physics 2019-10-10 Renu Gupta , Imtiaz Noor Bhatti , A K Pramanik

The recent discovery of Sr-doped infinite-layer nickelate $\textrm{NdNiO}_2$ [D. Li et al. Nature 572, 624 (2019)] offers an exciting platform for investigating unconventional superconductivity in nickelatebased compounds. In this work, we…

Strongly Correlated Electrons · Physics 2020-05-19 Zhao Liu , Zhi Ren , W. Zhu , Z. F. Wang , Jinlong Yang

DyMn$_2$O$_5$ is an intriguing multiferroic material showing multiple magnetic, electric and structural transitions. We present here the systematic study on the effect of Sr doping at the Dy site of DyMn$_2$O$_5$ through magnetic and…

Strongly Correlated Electrons · Physics 2020-04-22 P. Dutta , M. Das , S. Mukherjee , S. Chatterjee , S. Giri , S. Majumdar

Our predictions, based on density-functional calculations, reveal that surface doping of ZnO nanowires with Bi leads to a linear-in-$k$ splitting of the conduction-band states, through spin-orbit interaction, due to the lowering of the…

Materials Science · Physics 2017-06-07 Mehmet Aras , Sümeyra Güler-Kılıç , Çetin Kılıç

We present first-principles electronic structure calculations of Mn doped III-V semiconductors based on the local spin-density approximation (LSDA) as well as the self-interaction corrected local spin density method (SIC-LSD). We find that…

Materials Science · Physics 2015-06-25 T. C. Schulthess , W. M. Temmerman , Z. Szotek , A. Svane , L. Petit

Electronic structure calculations are used to analyze the electronic and magnetic properties in {K$_{2}$Fe$_{4+x}$Se$_{5}$}. Fe atoms can be divided into two distinct groups. The $x{=}0$ (parent) compound forms an insulating, collinear,…

Materials Science · Physics 2012-09-04 Liqin Ke , Mark van Schilfgaarde , Vladimir Antropov

The crystal structure of MoS$_2$ with strong covalent bonds in plane and weak Van der Waals interactions out of plane gives rise to interesting properties for applications such as solid lubrication, optoelectronics, and catalysis, which can…

Materials Science · Physics 2021-07-28 Rijan Karkee , Enrique Guerrero , David A. Strubbe

The spin states at the surface of epitaxial thin films of hematite, both undoped and doped with 1% Ti, Sn or Zn, respectively, were probed with x-ray magnetic linear dichroism (XMLD) spectroscopy. Morin transitions were observed for the…