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Electronic structure and possible martensitic transformation in Mn2RhIn alloy

Z. REN1, Y. LIU1, S. LI1,* , X. ZHANG1, G. LIU2

Affiliation

  1. School of Mathematics and Physics, North China Electric Power University, Baoding 071003, P.R. China
  2. School of Material Science and Engineering, Hebei University of Technology, Tianjin 300130, P.R. China

Abstract

The electronic structure and the magnetic properties of Heusler alloy Mn2RhIn have been studied using first-principles calculations. The phase transformation from the cubic structure to the tetragonal structure lowers the total energy effectively, indicating the possibility of a martensitic phase transition at low temperatures. With the tetragonal distortion, the minority DOS around the EF splits into two peaks and the antibonding peak in minority spin moves to a lower energy. The EF falls in a gap, reducing the value of N (EF) effectively and increases the phase stability of the martensite..

Keywords

Heusler alloy, Electronic structure, Martensitic transformation, First principle calculations.

Citation

Z. REN, Y. LIU, S. LI, X. ZHANG, G. LIU, Electronic structure and possible martensitic transformation in Mn2RhIn alloy, Optoelectronics and Advanced Materials - Rapid Communications, 10, 3-4, March-April 2016, pp.262-267 (2016).

Submitted at: March 22, 2015

Accepted at: April 5, 2016