Fermi surface study of ScAu2(Al, In) and ScPd2(Sn, Pb) compounds

Reddy, P V S and Vaitheeswaran, G and V, Kanchana (2015) Fermi surface study of ScAu2(Al, In) and ScPd2(Sn, Pb) compounds. In: SOLID STATE PHYSICS: Proceedings of the 59th DAE Solid State Physics Symposium, 16–20 December 2014, Tamilnadu, India.

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A detailed study on the electronic structure and Fermi surface (FS) of superconducting Heusler compounds ScAu2(Al, In) and ScPd2(Sn, Pb) has been carried out using first principles electronic structure calculations. The spin orbit coupling is found to play a major role in understanding the band structure and FS. Analysis of the data shows the importance of spin orbit coupling effect in the above compounds. The bands which cross Fermi level (EF) are found to be dominated by the Sc d t2g -states. The calculated total density of states are in good agreement with the experimentally reported value for ScPd2Sn. Under compression we find a change in the Fermi surface topology of ScPd2Sn at V/V0 = 0.95 (pressure of≈15 GPa), which is explained using the band structure calculations.

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IITH Creators:
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Item Type: Conference or Workshop Item (Paper)
Subjects: Physics
Divisions: Department of Physics
Depositing User: Library Staff
Date Deposited: 22 Jan 2016 10:59
Last Modified: 16 Aug 2017 06:44
URI: http://raiith.iith.ac.in/id/eprint/2146
Publisher URL: https://doi.org/10.1063/1.4918015
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