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We determined the crystal structure of Cs$_2$LiRuCl$_6$, which was synthesized first in this work, and investigated its magnetic properties. Cs$_2$LiRuCl$_6$ has a hexagonal structure composed of linear chains of face-sharing RuCl$_6$ and…

The highest antiferromagnetic (AFM) temperature in Ce based compounds has been reported for CeScGe with Tn=47K, but its local or itinerant nature was not deeply investigated yet. In order to shed more light into this unusually high ordering…

Strongly Correlated Electrons · Physics 2014-11-03 J. G. Sereni , P. Pedrazzini , M. Gomez Berisso , A. Chacoma , S. Encina , T. Gruner , N. Caroca-Canales , C. Geibel

Using electronic structure calculations based on density functional theory, we predict and study the structural, mechanical, electronic, magnetic and transport properties of a new full Heusler chalcogenide, namely, Fe$_2$CrTe, both in bulk…

Materials Science · Physics 2023-04-05 Joydipto Bhattacharya , Rajeev Dutt , Aparna Chakrabarti

Today, high-performance thermoelectric and thermomagnetic materials operating in the low-temperature regime, particularly below the boiling point of liquid nitrogen remain scarce. Most thermomagnetic materials reported to date exhibit a…

Materials Science · Physics 2025-07-29 Antu Laha , Sarah Paone , Niraj Aryal , Qiang Li

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

Ce$_{3}$Bi$_{4}$Au$_{3}$ crystallizes in the same non-centrosymmetric cubic structure as the prototypical Kondo insulator Ce$_{3}$Bi$_{4}$Pt$_{3}$. Here we report the physical properties of Ce$_{3}$Bi$_{4}$Au$_{3}$ single crystals using…

Strongly Correlated Electrons · Physics 2023-12-12 M. O. Ajeesh , S. K. Kushwaha , S. M. Thomas , J. D. Thompson , M. K. Chan , N. Harrison , J. M. Tomczak , P. F. S. Rosa

We present a comprehensive theory of the temperature- and disorder-dependence of half-metallic ferrimagnetism in the double perovskite Sr$_2$FeMoO$_6$ (SFMO) with $T_c$ above room temperature. We show that the magnetization $M(T)$ and…

Strongly Correlated Electrons · Physics 2015-05-28 Onur Erten , O. Nganba Meetei , Anamitra Mukherjee , Mohit Randeria , Nandini Trivedi , Patrick Woodward

RRhGe (R=Tb, Dy, Er, Tm) compounds have been studied by a number of experimental probes and theoretical ab initio calculations. These compounds show very interesting magnetic and electrical properties. All the compounds are…

Strongly Correlated Electrons · Physics 2019-09-19 Sachin Gupta , K. G. Suresh , A. K. Nigam , A. V. Lukoyanov

Magnetic topological semimetals LnSbTe (Ln = Lanthanide) have attracted intensive attention because of the presence of interplay between magnetism, topological, and electron correlations depending on the choices of magnetic Ln elements.…

Half-Heusler phases (space group F43m, C1b) have recently captured much attention as promising thermoelectric materials for heat-to-electric power conversion in the mid-to-high temperature range. The most studied ones are the RNiSn-type…

Materials Science · Physics 2018-12-06 S. Joseph Poon

Magnetic, transport and thermal properties of AFe4Sb12 (A = Ca, Sr, Ba) are reported. All three compounds show a maximum in both the magnetic susceptibility and thermopower at 50 K, and a large electronic specific heat coefficient of 100…

Strongly Correlated Electrons · Physics 2007-05-23 E. Matsuoka , K. Hayashi , A. Ikeda , K. Tanaka , T. Takabatake , W. Higemoto , M. Matsumura

We present a study of the main bulk properties (susceptibility, magnetization, resistivity and specific heat) of CePt_3B_(1-x)Si-x, an alloying system that crystallizes in a noncentrosymmetric lattice, and derive the magnetic phase diagram.…

Strongly Correlated Electrons · Physics 2015-04-20 Daniela Rauch , Stefan Süllow , Matthias Bleckmann , Bastian Klemke , Klaus Kiefer , Moo Sung Kim , Meigan C. Aronson , Ernst Bauer

We report that Sb2Te, a natural superlattice phase consisting of two elemental Sb2 layers interleaved with single Sb2Te3 layers, becomes ferromagnetic at low temperatures on doping with small percentages of Mn. Ferromagnetism appears for Mn…

Materials Science · Physics 2013-12-24 Huixia Luo , Quinn Gibson , Jason Krizan , R. J. Cava

Magnetic and electronic transport properties of Co$_2$MnZ (Z = Al, Ga, Ge, Si, Sn) Heusler alloys were experimentally investigated. Electrical resistivity, in the temperature range from 4.2 to 300 K, as well as field dependences of the Hall…

Parameters of the energy gap and, consequently, electronic, magnetic and galvanomagnetic properties in different X$_2$YZ Heusler alloys can vary quite strongly. In particular, half-metallic ferromagnets (HMFs) and spin gapless…

In this work, polycrystalline NiCrGa half Heusler alloy, which is predicted to be half-metallic ferromagnet from first principles calculations, has been synthesized by arc meting technique and its structural, magnetic as well as the…

Materials Science · Physics 2018-12-26 Madhusmita Baral , M. K. Chattopadhyay , Aparna Chakrabarti , Tapas Ganguli

Cobalt based sulphides of compositional formula Co$ _{3} $A$ _{2} $S$ _{2} $ (A = Sn and In) are endowed with frustrated kagome lattice structure and a plethora of novel phenomena determined from the topological band structure. Here-in, we…

Strongly Correlated Electrons · Physics 2022-10-26 V. Nagpal , S. Chaudhary , P. Kumar , Sudesh , S. Patnaik

A ternary ferrimagnetic half-metal, constructed through substituting 25% Fe for Mn in zincblende semiconductor MnTe, is predicted in terms of accurate first-principles calculations. It has a large half-metallic (HM) gap of 0.54eV and its…

Materials Science · Physics 2009-04-10 Li-Fang Zhu , Bang-Gui Liu

We present a study of the electronic structure and magnetism of Co$_2$MnAl, CoMnVAl and their heterostructure. We employ a combination of density-functional theory and dynamical mean-field theory (DFT+DMFT). We find that Co$_2$MnAl is a…

Materials Science · Physics 2018-01-12 Igor Di Marco , Andreas Held , Samara Keshavarz , Yaroslav O. Kvashnin , Liviu Chioncel

Single crystals of the new compound CeCu0.18Al0.24Si1.58 have been grown by high-temperature solution growth method using a eutectic Al-Si mixture as flux. This compound is derived from the binary CeSi2 (tetragonal ThSi2-type, Pearson…

Strongly Correlated Electrons · Physics 2017-01-04 A. Maurya , A. Thamizhavel , S. K. Dhar , A. Provino , M. Pani , G. A. Costa