Electronic and crystal structure of NiTi martensite

Mahdi Sanati, R. Albers

Research output: Contribution to journalArticlepeer-review

41 Scopus citations

Abstract

All of the first-principles electronic-structure calculations for the martensitic structure of NiTi have used the experimental atomic parameters reported by Michal and Sinclair [Acta Crystallogr., Sect. B: Struct. Crystallogr. Cryst. Chem. B37, 1803 (1981)]. We have used first-principles, full-potential, linear muffin-tin orbital calculations to examine the total energy of all the experimental martensitic structures reported in the literature. We find that another crystal structure, that of Kudoh et al. [Acta Metall. Mater. 33, 2049 (1985)], has the lowest total energy at zero temperature. Ground-state and formation energies were calculated for all of the experimental structures. Total and local densities of states were calculated and compared with each other for the structures of both Kudoh et al. and Michal and Sinclair.

Original languageEnglish
Pages (from-to)13590-13593
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume58
Issue number20
DOIs
StatePublished - 1998

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