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Unlike the ferropnictide superconductors, which crystallize in a tetragonal crystal structure, binary FeAs forms in an orthorhombic crystal structure, where the local atomic environment resembles a highly distorted variant of the FeAs4…

Other Condensed Matter · Physics 2015-03-17 J. R. Jeffries , N. P. Butch , H. Cynn , S. R. Saha , K. Kirshenbaum , S. T. Weir , Y. K. Vohra , J. Paglione

We investigated the magnetism and aggregation trends in cubic Zn1-xCrxS using the density-functional theory calculations.We demonstrate that all studied configurations show ground state half-metallic ferromagnetism (HMF); and Cr impurities…

Materials Science · Physics 2015-05-14 Xingtao Jia , Minghui Qin , Wei Yang

We use bulk magnetic susceptibility, electronic specific heat, and neutron scattering to study structural and magnetic phase transitions in Fe$_{1+y}$Se% $_x$Te$_{1-x}$. Fe$_{1.068}$Te exhibits a first order phase transition near 67 K with…

We present neutron diffraction measurements on single crystal samples of non-superconducting Ba(Fe1-xCrx)2As2 as a function of Cr-doping for 0<=x<=0.47. The average SDW moment is independent of concentration for x<=0.2 and decreases rapidly…

The effect of chemical substitution on the ground state of the geometrically frustrated antiferromagnet CsCrF$_4$ has been investigated through a neutron powder diffraction experiment. Magnetic Fe-substituted CsCr$_{0.94}$Fe$_{0.06}$F$_{4}$…

Strongly Correlated Electrons · Physics 2020-12-01 Shohei Hayashida , Masato Hagihala , Maxim Avdeev , Yoko Miura , Hirotaka Manaka , Takatsugu Masuda

We report on detailed structural, electronic and magnetic studies of GdMn$_{1-x}$Cr$_x$O$_3$ for Cr doping levels 0 $\le$ $x$ $\le$ 1. In the solid solutions, the Jahn-Teller distortion associated with Mn$^{3+}$ ions gives rise to major…

We present a theoretical and experimental study on electronic and magneto-optical properties of p-type paramagnetic InMnAs dilute magnetic semiconductor alloys and ferromagnetic p-type InMnAs/(Al,Ga)Sb thin films in ultrahigh (> 100 T)…

Statistical Mechanics · Physics 2007-05-23 Y. Sun , F. V. Kyrychenko , G. D. Sanders , C. J. Stanton , G. A. Khodaparast , J. Kono , Y. H. Matsuda , H. Munekata

Control of magnetic states by external factors has garnered a mainstream status in spintronic research for designing low power consumption and fast-response information storage and processing devices. Previously, magnetic-cation…

We report the physical properties and electronic structure calculations of a layered chromium oxypnictide, Sr$_2$Cr$_3$As$_2$O$_2$, which crystallizes in a Sr$_2$Mn$_3$As$_2$O$_2$-type structure containing both CrO$_2$ planes and…

Strongly Correlated Electrons · Physics 2016-01-06 Hao Jiang , Jin-Ke Bao , Hui-Fei Zhai , Zhang-Tu Tang , Yun-Lei Sun , Yi Liu , Zhi-Cheng Wang , Hua Bai , Zhu-An Xu , Guang-Han Cao

The alloying effect on the lattice parameters, isostructural mixing enthalpies and ductility of the ternary nitride systems Cr1-xTMxN (TM=Sc, Y; Ti, Zr, Hf; V, Nb, Ta; Mo, W) in the cubic B1 structure has been investigated using…

Materials Science · Physics 2014-07-10 Liangcai Zhou , David Holec , Paul. H. Mayrhofer

Using full-potential linear augmented plane wave method (FP-LAPW) and the density functional theory, we have carried out a systematic investigation of the electronic, magnetic, and cohesive properties of the chalcogenide CrTe in three…

Materials Science · Physics 2015-03-17 Y. Liu , S. K. Bose , J. Kudrnovský

The prototypical diluted magnetic semiconductor Cd1-xMnxTe is a spin glass (x<0.6) or an antiferromagnet (x>0.6), but becomes ferromagnetic upon doping with a small amount of Cr atoms substituting for Mn. In order to investigate the origin…

Strongly Correlated Electrons · Physics 2025-12-03 V. K. Verma , S. Sakamoto , K. Ishikawa , V. R. Singh , K. Ishigami , G. Shibata , T. Kadono , T. Koide , S. Kuroda , A. Fujimori

On the basis of ab-initio pseudopotential calculations, we study structural, magnetic, dynamical, and mechanical properties of the hypothetical CaC ionic compound in the rock-salt (RS), B2, zinc-blende (ZB), wurtzite (WZ), NiAs (NA),…

Materials Science · Physics 2019-01-01 Zahra Nourbakhsh , S. Javad Hashemifar , Hadi Akbarzadeh

Structural and magnetic properties of the CoMn$_{0.88}$Cu$_{0.12}$Ge compound have been investigated using X-ray diffraction (XRD) and differential scanning calorimetry (DSC) accompanied with investigation of magnetic properties under…

The layered material Mn$_3$Si$_2$Te$_6$, with alternating stacking honeycomb and triangular layers, is attracting considerable attention due to its rich physical properties. Here, using density functional theory and classical Monte Carlo…

Strongly Correlated Electrons · Physics 2023-02-23 Yang Zhang , Ling-Fang Lin , Adriana Moreo , Elbio Dagotto

Single crystals of SrMn2P2 and CaMn2P2 were grown using Sn flux and characterized by single-crystal x-ray diffraction, electrical resistivity rho, heat capacity Cp, and magnetic susceptibility chi = M/H measurements versus temperature T and…

Strongly Correlated Electrons · Physics 2021-11-01 N. S. Sangeetha , Santanu Pakhira , Q. -P. Ding , H. -C. Lee , V. Smetana , A. -V. Mudring , Y. Furukawa , D. C. Johnston

In recent years, A-site ordered half-doped double-perovskite manganites $\rm RBaMn_2O_6$ (R=rare earth) have attracted much attention due to their remarkable physical properties and a prospect of application as magnetoresistance,…

Strongly Correlated Electrons · Physics 2022-05-20 Sergey V. Streltsov , R. E. Ryltsev , N. M. Chtchelkatchev

A scheme to calculate the electronic structure of systems having a spiral magnetic structure is presented. The approach is based on the KKR (Korringa-Kohn-Rostoker) Green's function formalism which allows in combination with CPA (Coherent…

Strongly Correlated Electrons · Physics 2013-08-08 S. Mankovsky , G. H. Fecher , H. Ebert

We have studied the electronic and magnetic structures of the ternary iron arsenides AFe$_2$As$_2$ (A = Ba, Ca, or Sr) using the first-principles density functional theory. The ground states of these compounds are in a collinear…

Materials Science · Physics 2010-05-21 Fengjie Ma , Zhong-Yi Lu , Tao Xiang

Three different CrNi2 complexes were synthesized. They differ from each other by the nature of the terminal ligand and of the counter anion : [Cr(CN)4[CN-Ni(tetren)]2]Cl, that crystallizes in two different crystallographic systems and…

Mesoscale and Nanoscale Physics · Physics 2009-09-29 Raluca Tiron , Wolfgang Wernsdorfer , Fabien Tuyeras , Ariane Scuiller , Valerie Marvaud , Michel Verdaguer