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Related papers: Defect-induced magnetic structure of CuMnSb

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First principles studies were performed in order to find out the possibility of inducing half-metallicity in Heusler Compound CoFeMnSb, by means of alloying it with 3d-transition metal elements. Proper alloying element is selected through…

Materials Science · Physics 2019-05-15 Upendra Kumar , P. V. Sreenivasa Reddy , Satadeep Bhattacharjee , Seung-Cheol Lee

We investigate the influence of magnetic order on the proximity-induced superconducting state in the Mn layers of a Mn-Nb(110) heterostructure by using a first-principles method. For this study, we use the recently developed Bogoliubov-de…

Superconductivity · Physics 2026-05-18 Sohair ElMeligy , Balázs Újfalussy , Kyungwha Park

We present results of inelastic neutron scattering experiments performed for the compound Magnetic and neutron spectroscopic properties of the tetrameric nickel compound $[Mo_{12}O_{28}(\mu_2-OH)_9(\mu_3-OH)_3{Ni(H_2O)_3}_4] $\cdot$…

Strongly Correlated Electrons · Physics 2015-05-18 A. Furrer , K. W. Krämer , Th. Strässle , D. Biner , J. Hauser , H. -U. Güdel

Many Heusler compounds possess magnetic properties well-suited for applications as spintronic materials. The pseudo-binary Mn$_{0.5}$Fe$_{0.5}$Ru$_2$Sn, formed as a solid solution of two full Heuslers, has recently been shown to exhibit…

Materials Science · Physics 2017-10-06 Elizabeth Decolvenaere , Michael Gordon , Ram Seshadri , Anton Van der Ven

The structural distortion and magnetoelastic coupling induced through commensurate magnetism has been investigated by neutron diffraction in structurally related MnWO$_4$ and NaFe(WO$_4$)$_2$. Both systems exhibit a competition of…

Strongly Correlated Electrons · Physics 2020-10-28 S. Biesenkamp , N. Qureshi , Y. Sidis , P. Becker , L. Bohatý , M. Braden

Muon spin rotation technique is used to study magnetic ordering in ultra-pure samples of SrCu$_{1-x}$Ni$_x$O$_2$, an archetypical $S=1/2$ antiferromagnetic Heisenberg chain system with a small amount of $S=1$ defects. The ordered state in…

Strongly Correlated Electrons · Physics 2016-06-23 G. Simutis , M. Thede , R. Saint-Martin , A. Mohan , C. Baines , Z. Guguchia , R. Khasanov , C. Hess , A. Revcolevschi , B. Buchner , A. Zheludev

We performed elastic neutron scattering experiments on solid solution CeRh1-xCoxIn5 with x=0.4 to clarify the nature of the antiferromagnetic (AF) phase in the vicinity of the quantum critical point. We observed the incommensurate AF order…

Strongly Correlated Electrons · Physics 2007-05-23 M. Yokoyama , H. Amitsuka , K. Matsuda , A. Gawase , N. Oyama , I. Kawasaki , K. Tenya , H. Yoshizawa

We search for new fully compensated half metals, in which only one electronic spin channel is conducting and there exists no net magnetic moment. We focus on half Heusler alloys and we examine the physical consequence of different crystal…

Materials Science · Physics 2011-08-19 Michael Shaughnessy , C. Y. Fong , Lin H. Yang , Claudia Felser

We have studied in details the electronic structure and magnetism in M (Mn and Cr) doped semiconducting half-Heusler compounds FeVSb, CoTiSb and NiTiSn (XM$_{x}$Y$_{1-x}$Z) in a wide concentration range using local-spin density functional…

Materials Science · Physics 2007-05-23 B. R. K. Nanda , I. Dasgupta

Frustrated quasidoublets without time-reversal symmetry can host highly unconventional magnetic structures with continuously distributed order parameters even in a single-phase crystal. Here, we report the comprehensive thermodynamic and…

The half-metallic half-Heusler alloy NiMnSb is a promising candidate for applications in spintronic devices due to its low magnetic damping and its rich anisotropies. Here we use ferromagnetic resonance (FMR) measurements and calculations…

The elastic neutron scattering experiments were carried out on the solid solutions CeRh_{1-x}Co_xIn_5 to clarify the nature of the antiferromagnetic (AF) state in the vicinity of the quantum critical point (QCP): x_c ~0.8. The…

Strongly Correlated Electrons · Physics 2008-06-04 M. Yokoyama , N. Oyama , H. Amitsuka , S. Oinuma , I. Kawasaki , K. Tenya , M. Matsuura , K. Hirota , T. J. Sato

We present specific-heat and neutron-scattering results for the \emph{S}=1/2 quantum antiferromagnet (dimethylammonium)(3,5-dimethylpyridinium)CuBr$_4$. The material orders magnetically at \emph{T}$_N$=1.99(2)\,K, and magnetic excitations…

In order to investigate the phase stability of equiatomic FeN compounds and the structure-dependent magnetic properties, the electronic structure and total energy of FeN with NaCl, ZnS and CsCl structures and various magnetic configurations…

Materials Science · Physics 2009-10-31 Yong Kong

We have deployed density functional theory, Wannier function analysis and mean-field calculations to investigate the double-double perovskite compound CaMnCrSbO_{6}. The crystallographically non-equivalent Mn atoms in the unit cell have…

Materials Science · Physics 2022-06-14 Rakshanda Dhawan , Padmanabhan Balasubramanian , Tashi Nautiyal

Neutron diffraction and magnetic susceptibility studies show that orthorhombic single-crystals of topological semimetals ${\rm Sr(Mn_{0.9}Cu_{0.1})Sb_2}$ and ${\rm Sr(Mn_{0.9}Zn_{0.1})Sb_2}$ undergo three dimensional C-type…

Contrary to prior calculations, the Ni-rich ordered structures of the Cr-Ni alloy system are found to be antiferromagnetic under semi-local density-functional theory. The optimization of local magnetic moments significantly increases the…

Materials Science · Physics 2023-08-23 Flynn Walsh , Robert O. Ritchie , Mark Asta

We present elastic neutron scattering results at high magnetic fields for Mg-doped CuGeO$_{3}$. For low magnesium concentrations, where a spin-Peierls phase is present, we find an enhancement of the long range antiferromagnetic order in the…

Strongly Correlated Electrons · Physics 2009-11-10 C. Stock , S. Wakimoto , R. J. Birgeneau , S. Danilkin , J. Klenke , P. Smeibidl , P. Vorderwisch

Influence of disorder, antisite defects, martensite transition and compositional variation on the magnetic properties and electronic structure of Mn$_2$NiGa and Mn$_{1+x}$Ni$_{2-x}$Ga magnetic shape memory alloys have been studied by using…

Materials Science · Physics 2015-06-17 Sunil Wilfred D'Souza , Tufan Roy , Sudipta Roy Barman , Aparna Chakrabarti

We report $^{93}$Nb and $^{121}$Sb NMR and $^{57}$Fe M\"{o}ssbauer studies combined with DFT calculations of Nb$_{1-x}$Ti$_x$FeSb ($0\leqslant x \leqslant0.3$), one of the most promising thermoelectric systems for applications above 1000 K.…