Magneto-electronic and Thermodynamic Properties of Quaternary NiFeMnZ (Z = In, Sn) New Spin Gapless Semiconductors

Magneto-electronic and Thermodynamic Properties of Quaternary NiFeMnZ (Z = In, Sn) New Spin... This paper deals with investigation of magneto-electronic and thermodynamic properties of new spin gapless semiconductor quaternary NiFeMnZ (Z = In, Sn) Heusler alloys. In addition, electronic properties such as band structure and density of states were studied in detail. The obtained results are based on first-principles calculations, using the full potential linearized augmented plane wave (FP-LAPW) method within well-known generalized gradient approximation (GGA) coupling with spin-orbit calculation (SOC) in framework of the density functional theory (DFT) implemented in the WIEN2k package. As results, the alloys were found to be new spin gapless semiconductors (SGSs), and both compounds in LiMgPdSn-type crystal structure are stable. The magnetic moment of NiFeMnIn and NiFeMnSn was 4.39 and 4.99 μ per formula unit, respectively. This result is in agreement with the Slater-Pauling rule (M = 24 − Z ). Furthermore, the thermodynamic tot tot properties were also predicted. All these multifunctionalities lead to crucial interest for developing future spintronics device generations. Keywords Spintronics · Quaternary Heusler alloys · SGS · DFT · GGA · SOC 1 Introduction giant magnetoresistance (GMR) and tunnelling magnetore- sistance (TMR) for the next future spintronics applications [1–12]. Recently, Heusler alloy family has grown rapidly in the scale of smart http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Superconductivity and Novel Magnetism Springer Journals

Magneto-electronic and Thermodynamic Properties of Quaternary NiFeMnZ (Z = In, Sn) New Spin Gapless Semiconductors

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Publisher
Springer US
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Physics; Strongly Correlated Systems, Superconductivity; Magnetism, Magnetic Materials; Condensed Matter Physics; Characterization and Evaluation of Materials
ISSN
1557-1939
eISSN
1557-1947
D.O.I.
10.1007/s10948-018-4687-7
Publisher site
See Article on Publisher Site

Abstract

This paper deals with investigation of magneto-electronic and thermodynamic properties of new spin gapless semiconductor quaternary NiFeMnZ (Z = In, Sn) Heusler alloys. In addition, electronic properties such as band structure and density of states were studied in detail. The obtained results are based on first-principles calculations, using the full potential linearized augmented plane wave (FP-LAPW) method within well-known generalized gradient approximation (GGA) coupling with spin-orbit calculation (SOC) in framework of the density functional theory (DFT) implemented in the WIEN2k package. As results, the alloys were found to be new spin gapless semiconductors (SGSs), and both compounds in LiMgPdSn-type crystal structure are stable. The magnetic moment of NiFeMnIn and NiFeMnSn was 4.39 and 4.99 μ per formula unit, respectively. This result is in agreement with the Slater-Pauling rule (M = 24 − Z ). Furthermore, the thermodynamic tot tot properties were also predicted. All these multifunctionalities lead to crucial interest for developing future spintronics device generations. Keywords Spintronics · Quaternary Heusler alloys · SGS · DFT · GGA · SOC 1 Introduction giant magnetoresistance (GMR) and tunnelling magnetore- sistance (TMR) for the next future spintronics applications [1–12]. Recently, Heusler alloy family has grown rapidly in the scale of smart

Journal

Journal of Superconductivity and Novel MagnetismSpringer Journals

Published: May 30, 2018

References

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