TITLE

Compression of Ti3Si0.5Ge0.5C2 to 53 GPa

AUTHOR(S)
Manoun, Bouchaib; Liermann, H. P.; Gulve, R. P.; Saxena, S. K.; Ganguly, A.; Barsoum, M. W.; Zha, C. S.
PUB. DATE
April 2004
SOURCE
Applied Physics Letters;4/12/2004, Vol. 84 Issue 15, p2799
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Using a synchrotron radiation source and a diamond anvil cell, we measured the pressure dependence of the lattice parameters of a polycrystalline Ti3Si0.5Ge0.5C2 sample. Up to a pressure of 53 GPa, no phase transformations were observed. As for the isostructural hexagonal Ti3SiC2, the compressibility along the c axis was greater than along a. The bulk modulus is 183±4 GPa with a pressure derivative of 3.4±0.2. This work shows that the replacement of Si by Ge in Ti3SiC2 results in a systematic decrease in the bulk moduli. © 2004 American Institute of Physics.
ACCESSION #
12754132

 

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