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Hexagonal germanium formed via a pressure-induced phase transformation of amorphous germanium under controlled nanoindentation

Date

Authors

Bradby, Jodie

Williams, James

Haberl, Bianca

Deshmukh, Sarita

Johnson, Brett

Malone, Brad D

Cohen, Marvin L.

Publisher

Wiley-VCH Verlag GMBH

Abstract

We have studied the stable end phase formed in amorphous germanium (a-Ge) films that have been subjected to a pressure-induced phase transformation under indentation loading using a large (20 μm) spherical indenter. After indentation the samples have bee

Keywords

Keywords: Amorphous germanium; Density functional perturbation theory; Hexagonal diamond; High pressure; Nano-crystalline diamonds; Pressure-induced phase transformations; Selected area diffraction; Spherical indenters; Amorphous films; Loading; Nanoindentation; Ph Hexagonal germanium; High pressure; Nanoindentation; Phase transformations

URI

http://hdl.handle.net/1885/72753

Collections

ANU Research Publications

Source

Physica Status Solidi: Rapid Research Letters

Type

Journal article

DOI

10.1002/pssr.201307079

Restricted until

2037-12-31

Downloads

File

Description

01_Bradby_Hexagonal_germanium_formed_via_2013.pdf (316.82 KB)