English
Related papers

Related papers: Spin Density Functional Based Search for Half-Meta…

200 papers

Using the first-principles density functional approach, we investigate Ca$_2$FeOsO$_6$, a material of double perovskite structure synthesized recently. According to the calculations, Ca$_2$FeOsO$_6$ is a ferrimagnetic Mott-insulator…

Mesoscale and Nanoscale Physics · Physics 2017-01-04 Madhav P. Ghimire , Xiao Hu

Half-antiperovskites (HAPs) are a class of materials consisting of stacked kagome lattices and thus host exotic magnetic and electronic states. We perform high-throughput calculations based on density functional theory (DFT) and atomistic…

Materials Science · Physics 2022-07-08 Harish K. Singh , Amit Sehrawat , Chen Shen , Ilias Samathrakis , Ingo Opahle , Hongbin Zhang , Ruiwen Xie

Achieving robust room-temperature ferromagnetism in purely organic 2D crystals remains a fundamental challenge, primarily due to antiferromagnetic (AFM) coupling mediated by {\pi}-electron superexchange. Here, we present a mix-topology…

Materials Science · Physics 2025-08-26 Hongde Yu , Thomas Heine

The half-Heusler compound CuMnSb, the first antiferromagnet (AFM) in the Mn-based class of Heuslers and half-Heuslers that contains several conventional and half metallic ferromagnets, shows a peculiar stability of its magnetic order in…

Strongly Correlated Electrons · Physics 2009-11-11 T. Jeong , Ruben Weht , W. E. Pickett

We predict the magnetic and electronic properties of a novel metal-organic framework. By combining density functional theory and density matrix renormalization group approaches, we find the diatomic Kagome crystal structure of the…

Strongly Correlated Electrons · Physics 2025-05-19 Christopher Lane , Yixuan Huang , Lin Hou , Jian-Xin Zhu

LaMn$_7$O$_{12}$, a quadruple perovskite oxide (AA'$_3$B$_4$O$_{12}$-type), has attracted attention for its notable bifunctional activity in oxygen evolution and reduction reactions. Here, we systematically investigate the magnetic phase…

Strongly Correlated Electrons · Physics 2026-01-19 Haeyoon Jung , Indukuru Ramesh Reddy , Bongjae Kim , Jiyeon Kim , Sooran Kim

The nearly well-ordered double perovskite La$_2$CrFeO$_6$ has been synthesized recently. Contrary to previous theoretical predictions, but in agreement with experimental observations, our first principle calculations indicate an insulating…

Materials Science · Physics 2012-06-19 K. -W. Lee , Kyo-Hoon Ahn

Altermagnetism represents a novel class of collinear antiferromagnetism exhibiting non-relativistic spin splitting without net magnetization, driven by lattice symmetry rather than spin-orbit coupling (SOC). Here, we introduce a…

Materials Science · Physics 2026-05-15 Diego López-Alcalá , Alberto M. Ruiz , Andrei Shumilin , José J. Baldoví

The magnetic properties of polycrystalline samples of Ba3Cu3In4O12 (In-334) and Ba3Cu3Sc4O12 (Sc-334) are reported. Both 334 phases have a structure derived from perovskite, with CuO4 squares interconnected to form half-twist ladders along…

Strongly Correlated Electrons · Physics 2012-03-28 S. E. Dutton , M. Kumar , Z. G. Soos , C. L. Broholm , R. J. Cava

We present density functional calculations on the molecule based S=1/2 antiferromagnetic chain compound Cu PM(NO3)2 (H2O)2; PM = pyrimidine. The properties of the ferro- and antiferromagnetic state are investigated at the level of the local…

Materials Science · Physics 2007-05-28 K. Doll , A. U. B. Wolter , H. -H. Klauss

We predict through our first-principles calculations that four double perovskite oxides of Bi2ABO6 (AB = FeMo, MnMo, MnOs, CrOs) are half-metallic ferrimagnets. Our calculated results shows that the four optimized structures have negative…

Materials Science · Physics 2013-01-31 Si-Da Li , Peng Chen , Bang-Gui Liu

Spin-1/2 kagome-lattice Heisenberg antiferromagnet is theoretically known to have a quantum spin liquid ground state, one of the frontiers of condensed matter physics. The search for the model substances has been continued for a long time,…

Strongly Correlated Electrons · Physics 2024-08-21 Hidekazu Tanaka

Cubic perovskite-structure ABO$_3$ and A$_{1-x}$A$^{\prime}$$_x$BO$_3$-type oxides have been investigated extensively while their hexagonal-structure versions have received minimal attention, even though they are multiferroic and can form…

Materials Science · Physics 2024-01-29 M. J. Swamynadhan , Andrew O'Hara , Saurabh Ghosh , Sokrates T. Pantelides

Cubic Half-Heusler Cu$_{1-x}$Co$_x$MnSb (0 $\leq$ $x$ $\leq$ 0.1) compounds have been investigated both experimentally and theoretically for their magnetic, transport and electronic properties in search of possible half metallic…

Self-interaction corrected local spin density approximation calculations were performed for La$_{(1-x)}$Sr$_x$MnO$_3$ (LSMO) ($0.0<x<0.5$). The influence and inter-relationship of Sr doping, magnetic structure, O displacements and phase…

Strongly Correlated Electrons · Physics 2009-11-10 G. Banach , W. M. Temmerman

Magnetic correlations of two iso-structural quasi-one-dimensional (1D) antiferromagnetic spin-chain compounds Sr$M_2$V$_2$O$_8$ ($M$ = Co, Mn) have been investigated by magnetization and powder neutron diffraction. Two different collinear…

Strongly Correlated Electrons · Physics 2014-12-17 A. K. Bera , B. Lake , W. -D. Stein , S. Zander

We study the electronic structure and magnetism of 25% Mn substituted cubic Zirconia (ZrO2) with several homogeneous and heterogeneous doping profiles using density-functional theory calculations. We find that all doping profiles show…

Materials Science · Physics 2008-09-08 Xingtao Jia , Wei Yang , Minghui Qin , Xinglai Zhang , Mingai Sun , Jianping Li

Using a state-of-the-art full-potential electronic structure method within the local spin density approximation, we study the electronic and magnetic structure of Mn$_2$V-based full Heusler alloys: Mn$_2$VZ (Z=Al, Ga, In, Si, Ge, and Sn).…

Materials Science · Physics 2007-05-23 K Ozdogan , I Galanakis , E Sasioglu , B Aktas

Taking into account Goodenough's superexchange rules, including both full structural relaxation and spin-orbit coupling, and checking strong correlation effects, we look for compensated half metals within the class of oxide double…

Strongly Correlated Electrons · Physics 2015-05-13 Victor Pardo , Warren E. Pickett

Half-metallic fully compensated ferrimagnets (HM-FCFMs), a special class of half-metals exhibiting zero magnetization at absolute zero, are promising candidates for next-generation spintronics applications. For over 25 years, theoretical…

Materials Science · Physics 2021-07-02 S. Semboshi , R. Y. Umetsu , Y. Kawahito , H. Akai