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- Title
Phase stability of Cr<sub> n+ 1</sub>GaC <sub>n</sub> MAX phases from first principles and Cr<sub>2</sub>GaC thin-film synthesis using magnetron sputtering from elemental targets.
- Authors
Petruhins, Andrejs; Ingason, Arni Sigurdur; Dahlqvist, Martin; Mockute, Aurelija; Junaid, Muhammad; Birch, Jens; Lu, Jun; Hultman, Lars; Persson, Per O. Å.; Rosen, Johanna
- Abstract
Ab-initio calculations have been used to investigate the phase stability and magnetic state of Cr n+ 1GaC n MAX phase. Cr2GaC ( n = 1) was predicted to be stable, with a ground state corresponding to an antiferromagnetic spin configuration. Thin-film synthesis by magnetron sputtering from elemental targets, including liquid Ga, shows the formation of Cr2GaC, previously only attained from bulk synthesis methods. The films were deposited at 650 °C on MgO(111) substrates. X-ray diffraction and high-resolution transmission electron microscopy show epitaxial growth of (000ℓ) MAX phase. (© 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
- Subjects
THIN films; ANTIFERROMAGNETIC materials; CHEMICAL stability; GALLIUM compounds synthesis; MAGNETRON sputtering
- Publication
Physica Status Solidi - Rapid Research Letters, 2013, Vol 7, Issue 11, p971
- ISSN
1862-6254
- Publication type
Article
- DOI
10.1002/pssr.201308025