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Thermal stability of simple tetragonal and hexagonal diamond germanium

Huston, Larissa; Johnson, B. C.; Haber, Bianca; Wong, S.; Williams, J. S.; Bradby, Jodie


Exotic phases of germanium, that form under high pressure but persist under ambient conditions, are of technological interest due to their unique optical and electrical properties. The thermal evolution and stability of two of these exotic Ge phases, the simple tetragonal (st12) and hexagonal diamond (hd) phases, are investigated in detail. These metastable phases, formed by high pressure decompression in either a diamond anvil cell or by nanoindentation, are annealed at temperatures ranging...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Journal of Applied Physics
DOI: 10.1063/1.5002705
Access Rights: Open Access


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