English
Related papers

Related papers: Electronic structure and Magnetism in BaMn$_2$As$_…

200 papers

We investigate the magnetic structure of Mn3-xFexSn2 using neutron powder diffraction experiments and electronic structure calculations. These alloys crystallize in the orthorhombic Ni3Sn2 type of structure (Pnma) and comprise two…

Materials Science · Physics 2013-09-03 Q. Recour , V. Ban , Z. Gercsi , T. Mazet , M. Francois , B. Malaman

Structural stability and electronic properties of alkaline-earth metals (Ca, Sr, Ba) induced Si(111)-3x2 surfaces have been comprehensively studied by means of ab initio calculations. Adsorption energy and charge density difference…

Materials Science · Physics 2018-11-20 Jun-Shuai Chai , Zhen-Zhen Li , Lifang Xu , Jian-Tao Wang

Scanning tunnelling microscopy and density functional theory studies of manganese chains adsorbed on Cu$_2$N/Cu (100) reveal an unsuspected electronic edge state at $\sim 1$ eV above the Fermi energy. This Tamm-like state is strongly…

Mesoscale and Nanoscale Physics · Physics 2018-03-07 Deung-Jang Choi , Roberto Robles , Jean-Pierre Gauyacq , Carmen Rubio Verdú , Nicolás Lorente , José Ignacio Pascual

In this work, density functional computations and Monte Carlo simulations are performed to investigate structural, electronic, magnetic, and thermodynamic properties of Co/WS$_2$ junction, a semiconductor WS$_2$ monolayer covered by a…

Materials Science · Physics 2019-08-21 Hamideh Kahnouji , S. Javad Hashemifar , Nafiseh Rezaei , Mojtaba Alaei

The structural transitions, magnetic properties, and electronic structures of Co(Fe)-doped MnNiSi compounds are investigated by x-ray powder diffraction (XRD), differential scanning calorimetry (DSC), magnetic measurements, and…

Materials Science · Physics 2015-04-17 Y. Li , Z. Y. Wei , E. K. Liu , G. D. Liu , S. G. Wang , W. H. Wang , G. H. Wu

Crystal and magnetic structures of $R_2$Ni$_2$In ($R$ = Tb and Ho) have been studied by powder neutron diffraction at low temperatures. The compounds crystallize in an orthorhombic crystal structure of the Mn$_2$AlB$_2$-type. At low…

The search for flat-band solid-state realizations is a crucial issue to verify or to challenge theoretical predictions for quantum many-body flat-band systems. For frustrated quantum magnets flat bands lead to various unconventional…

Strongly Correlated Electrons · Physics 2018-01-10 Johannes Richter , Olesia Krupnitska , Vasyl Baliha , Taras Krokhmalskii , Oleg Derzhko

Employing the first-principles computations based on the density functional theory (DFT), we have investigated the structural, mechanical, electronic, bonding, optical and thermodynamics properties of newly discovered bulk superconductors…

Materials Science · Physics 2018-02-01 Md. Atikur Rahman , Md. Zahidur Rahaman , Md. Lokman Ali , Md. Shahjahan Ali

The electronic structures and topological properties of transition metal dipnictides $XPn_2$ ($X$=Ta, Nb; $Pn$=P, As, Sb) have been systematically studied using first-principles calculations. In addition to small bulk Fermi surfaces, the…

Materials Science · Physics 2016-05-04 Chenchao Xu , Jia Chen , Guo-Xiang Zhi , Yuke Li , Jianhui Dai , Chao Cao

The structure and magnetic properties in doped Heusler alloys of Mn2CoGa and Mn2CoAl have been investigated by experiments and calculations. The main group elements of Ga and Al are substituted by the magnetic or non-magnetic transition…

Materials Science · Physics 2013-03-26 Y. J. Zhang , G. J. Li , E. K. Liu , J. L. Chen , W. H. Wang , G. H. Wu

A highly intriguing aspect in iron-pnictide superconductors is the composition-dependent electronic structure, in particular the question if and how charge carriers are introduced to the system upon substitution of Ba by alkali metals or of…

Superconductivity · Physics 2016-04-04 M. Merz , P. Schweiss , P. Nagel , M. -J Huang , R. Eder , Th. Wolf , H. v. Loehneysen , S. Schuppler

We performed a combined angle-resolved photoemission spectroscopy and scanning tunneling microscopy study of the electronic structure of electron-doped Ca$_{0.83}$La$_{0.17}$Fe$_2$As$_2$. A surface reconstruction associated with the…

Superconductivity · Physics 2013-01-08 Y. -B. Huang , P. Richard , J. -H. Wang , X. -P. Wang , X. Shi , N. Xu , Z. Wu , A. Li , J. -X. Yin , T. Qian , B. Lv , C. W. Chu , S. H. Pan , M. Shi , H. Ding

Electronic states under pressure exhibit unconventional spin and charge dynamics that provide a powerful route to uncover exotic phases in quantum materials. Here, we present the structural, magnetic, and electronic evolution of…

Multiferroicity in LiCu2O2 single crystals is studied using resonant soft x-ray magnetic scattering, hard x-ray diffraction, heat capacity, magnetic susceptibility, and electrical polarization. Two magnetic transitions are found at 24.6 K…

The electronic structure of CrO_2 is critically discussed in terms of the relation of existing experimental data and well converged LSDA and GGA calculations of the electronic structure and transport properties of this half metal magnet,…

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

Structural, magnetic and dielectric properties have been studied for Yb$_2$CoMnO$_6$. Nano-crystalline sample of Yb$_2$CoMnO$_6$ synthesized by sol-gel method and structural analysis shows that the sample crystallizes in monoclinic crystal…

Strongly Correlated Electrons · Physics 2020-10-28 Ilyas Noor Bhatti , Imtiaz Noor Bhatti , Rabindra Nath Mahato , M. A. H. Ahsan

Half-metallic ferromagnets can produce fully spin-polarized conduction electrons and can be applied to fabricate spintronic devices. Thus, in this study, the electronic structure, magnetic properties, and optical properties of GaSb, which…

Materials Science · Physics 2020-01-07 Chuang Wang , Wenhui Wan , Yanfeng Ge , Yong-Hong Zhao , Kaicheng Zhang , Yong Liu

The structural, electronic, and magnetic properties of (100)-oriented Co$_{2}$MnAl/MgO and Co$_{2}$MnAl/GaAs heterostructures are investigated using plane-wave pseudopotential density functional theory. For the Co$_{2}$MnAl/MgO, CoCo-MgMg,…

Materials Science · Physics 2025-08-25 Amar Kumar , Mitali , Sujeet Chaudhary , Sharat Chandra

There has been an upsurge in the discovery of topological quantum materials, where various topological insulators and semimetals have been theoretically predicted and experimentally observed. However, only very few of them contains silicon,…

Cr2Ge2Te6 is an intrinsic ferromagnetic semiconductor with van der Waals type layered structure, thus represents a promising material for novel electronic and spintronic devices. Here we combine scanning tunneling microscopy and…

Materials Science · Physics 2019-05-08 Zhenqi Hao , Haiwei Li , Shunhong Zhang , Xintong Li , Gaoting Lin , Xuan Luo , Yuping Sun , Zheng Liu , Yayu Wang