Journal
PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS
Volume 7, Issue 11, Pages 971-974Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssr.201308025
Keywords
MAX phases; ab-initio calculations; magnetron sputtering; epitaxial thin films
Funding
- European Research Council under the European Community [258509]
- Swedish Research Council (VR) [621-2012-442]
- Knut and Alice Wallenberg (KAW) Fellowship program
- VR
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Ab-initio calculations have been used to investigate the phase stability and magnetic state of Crn+ 1GaCn 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 degrees C on MgO(111) substrates. X-ray diffraction and high-resolution transmission electron microscopy show epitaxial growth of (000) MAX phase. ((c) 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
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