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DFT investigations on mechanical stability, electronic structure and magnetism in Co2TaZ (Z = Al, Ga, In) heusler alloys.
- Source :
-
Semiconductor Science & Technology . Dec2017, Vol. 32 Issue 12, p1-1. 1p. - Publication Year :
- 2017
-
Abstract
- Ferromagnetic Heusler compounds have vast and imminent applications for novel devices, smart materials thanks to density functional theory (DFT) based simulations, which have scored out a new approach to study these materials. We forecast the structural stability of Co2TaZ alloys on the basis of total energy calculations and mechanical stability criteria. The elastic constants, robust spin-polarized ferromagnetism and electron densities in these half-metallic alloys are also discussed. The observed structural aspects calculated to predict the stability and equilibrium lattice parameters agree well with the experimental results. The elastic parameters like elastic constants, bulk, Young’s and shear moduli, poison’s and Pugh ratios, melting temperatures, etc have been put together to establish their mechanical properties. The elaborated electronic band structures along with indirect band gaps and spin polarization favour the application of these materials in spintronics and memory device technology. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 02681242
- Volume :
- 32
- Issue :
- 12
- Database :
- Academic Search Index
- Journal :
- Semiconductor Science & Technology
- Publication Type :
- Academic Journal
- Accession number :
- 126647417
- Full Text :
- https://doi.org/10.1088/1361-6641/aa9785