English
Related papers

Related papers: First-principles study the structural, magnetic, o…

200 papers

Sm{0.5-x}Pr{x}Sr{0.5}MnO{3} exhibits variety of ground states as x is varied from 0 to 0.5. At an intermediate doping of x = 0.3 a charge-ordered CE type antiferromagnetic insulating (AFI) ground state is seen. The transition to this ground…

Strongly Correlated Electrons · Physics 2009-11-13 K. R. Priolkar , Vishwajeet Kulkarni P. R. Sarode , S. Emura

In this study, we employed first-principles density functional theory (DFT) calculations within the GGA+U framework to explore the electronic and magnetic properties of CrSb2 under varying hydrostatic pressures. CrSb2 exhibits…

Iron-chromium forms the basis of most of the stainless steel grades in the markets. Recently new insights into the physical and chemical properties of Fe-Cr based alloys have been obtained. Some of the new results are quite unexpected and…

Materials Science · Physics 2012-01-23 E. Airiskallio , E. Nurmi , I. J. Väyrynen , K. Kokko , M. Ropo , M. P. J. Punkkinen , B. Johansson , L. Vitos

In search of a reliable methodology for the prediction of light absorption and emission of Ce$^{3+}$-doped luminescent materials, 13 representative materials are studied with first-principles and semiempirical approaches. In the…

Materials Science · Physics 2017-08-22 Yongchao Jia , Samuel Poncé , Anna Miglio , Masayoshi Mikami , Xavier Gonze

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

The effect of Cr doping with nominal compositions Mn2-xCrxO3 (0 less than equal to x less than equal to 0.10) has been undertaken to investigate its effect on structural, magnetic, dielectric and magnetoelectric properties. The Cr doping…

Materials Science · Physics 2020-06-24 Mohit Chandra , Satish Yadav , Rajeev Rawat , Kiran Singh

The ferrimagnet Mn3Si2Te6 attracts attention because of a recently discovered colossal magnetoresistance (CMR) with unique magnetic field properties. An improved magnetic structure for the material has emerged from a neutron diffraction…

Strongly Correlated Electrons · Physics 2023-06-21 Stephen W. Lovesey

The geometrical and electronic structure of potassium doped phenanthrene, \ce{K3C14H10}, have been studied by first-principles density functional theory. The main effect of potassium doping is to inject charge in the narrow phenanthrene…

Materials Science · Physics 2011-06-03 P. L. de Andres , A. Guijarro , J. A. Verges

The discovery of a new family of high Tc materials, the iron arsenides (FeAs), has led to a resurgence of interest in superconductivity. Several important traits of these materials are now apparent, for example, layers of iron tetrahedrally…

We report $^{75}$As Nuclear Magnetic Resonance data in a single crystal of CaFe$_2$As$_2$. The Knight shift, electric field gradient, and spin-lattice relaxation rate are strongly temperature dependent in the paramagnetic state, and change…

Strongly Correlated Electrons · Physics 2009-02-11 S. -H. Baek , N. J. Curro , T. Klimczuk , E. D. Bauer , F. Ronning , J. D. Thompson

The effect of pressure on the structural, elastic and electronic properties of the intermetallic compound MgCu with a CsCl-type structure have been investigated using ab-initio technique. The optical properties have been studied under…

Materials Science · Physics 2016-11-22 Md. Afjalur Rahman , Md. Zahidur Rahaman , Md. Atikur Rahman

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

First principles calculations have given a new insight into the energies of point defects in many different materials, information which cannot be readily obtained from experiment. Most such calculation are done at zero Kelvin, with the…

Materials Science · Physics 2011-05-16 G. J. Ackland , T. P. C. Klaver , D. J. Hepburn

High-entropy spinel oxides provide an excellent platform for investigating entropy-stabilized correlated systems with strong configurational disorder. In this work, we systematically study the temperature evolution of the structural and…

We use ab initio spin-polarized density functional theory to study the magnetic order in a Kagom\'e-like 2D metamaterial consisting of pristine or substitutionally doped phenalenyl radicals polymerized into a nanoporous, graphene-like…

Mesoscale and Nanoscale Physics · Physics 2020-01-22 Dan Liu , Eunja Kim , Philippe F. Weck , David Tománek

Recently, orthorhombic CuMnAs has been proposed to be a magnetic material where topological fermions exist around the Fermi level. Here we report the magnetic structure of the orthorhombic Cu0.95MnAs and Cu0.98Mn0.96As single crystals.…

Materials Science · Physics 2017-12-13 Eve Emmanouilidou , Huibo Cao , Peizhe Tang , Xin Gui , Chaowei Hu , Bing Shen , Junyi Wu , Shou-Cheng Zhang , Weiwei Xie , Ni Ni

We have performed high resolution x-ray scattering measurements on single crystal samples of Ba(Fe(1-x)Cr(x))2As2 (x = 0 to 0.335). These measurements examine the effect of Cr-doping on the high temperature tetragonal (I4/mmm) to low…

Strongly Correlated Electrons · Physics 2012-03-06 J. P. Clancy , B. D. Gaulin , A. S. Sefat

The structural, magnetic, and electronic properties of NdFe$_{0.5}$Mn$_{0.5}$O$_3$ have been studied in detail using bulk magnetization, neutron/x-ray diffraction and first principles density functional theory calculations. The material…

Strongly Correlated Electrons · Physics 2017-10-25 Ankita Singh , A. Jain , Avijeet Ray , B. Padmanabhan , S. M. Yusuf , T. Maitra , V. K. Malik

We review topological properties of two series of ternary compounds AMgBi (A=K, RB, Cs) and ABC with a hexagonal ZrBeSi type structure. The first series of materials AMgBi are predicted to be topological critical Dirac semimetals. The…

Materials Science · Physics 2019-06-11 Shengshan Qin , Congcong Le , Xianxin Wu , Jiangping Hu

The structure and magnetic properties of Mn1+xV2-xO4 (0<x<=1), a complex frustrated system, were investigated by heat capacity, magnetization, x-ray diffraction, and neutron diffraction measurements. For x<=0.3, a cubic-to-tetragonal (c >…

Strongly Correlated Electrons · Physics 2020-10-07 J. L. Jiao , H. P. Zhang , Q. Huang , W. Wang , G. Wang , Q. Ren , R. Sinclair , G. T. Lin , A. Huq , H. Cao , H. D. Zhou , M. Z. Li , J. Ma
‹ Prev 1 8 9 10 Next ›