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Title: Study of Electronic, Magnetic, and Thermoelectric Properties of 24 Valence-Electron Fe{sub 2}TiSn Heusler Compound Using Modified Becke-Johnson Scheme

Journal Article · · Journal of Superconductivity and Novel Magnetism
;  [1]
  1. Jiwaji University, Condensed Matter Theory Group, School of Studies in Physics (India)

The first-principle investigation of electronic and transport properties of 24 valence-electron Fe{sub 2}TiSn Heusler compound have been carried out using modified Becke-Johnson scheme. The compound possesses Fm-3m structure configuration in the ground state. Spin-polarized electronic calculations reveal Fe{sub 2}TiSn is a semiconductor in both the spin configurations with a total magnetic moment as 0μ{sub B}, which is consistent with the Slater-Pauling rule. The thermoelectric properties were calculated by means of the semiclassical Boltzmann transport theory. The average values of electrical conductivity, thermal conductivity, and Seebeck coefficient at 300, 600, and 900 K temperatures versus chemical potential are reported and discussed in detail. Further, the results show the possibility to create n-type and p-type thermoelectrics within one type of Heusler compound. The large Seebeck coefficient advocates the compounds to be good for thermoelectric applications.

OSTI ID:
22773725
Journal Information:
Journal of Superconductivity and Novel Magnetism, Vol. 31, Issue 10; Other Information: Copyright (c) 2018 Springer Science+Business Media, LLC, part of Springer Nature; http://www.springer-ny.com; Country of input: International Atomic Energy Agency (IAEA); ISSN 1557-1939
Country of Publication:
United States
Language:
English