Synthesis and compressive behavior of Cr2GeC up to 48 GPa

Mn+1AXn compounds have gathered huge momentum because of its exciting properties. In this paper we report the synthesis of ternary layered ceramic Cr2GeC, a 211 Mn+1AXn compound by hot-pressing. Scanning electron microscopy and X-ray diffraction have been employed to characterize the new synthesized...

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Bibliographic Details
Published in:Journal of alloys and compounds 2008-09, Vol.463 (1-2), p.220-225
Main Authors: PHATAK, Nishad A, KULKARNI, Shrinivas R, DROZD, Vadym, SAXENA, Surendra K, LIWEI DENG, YINGWEI FEI, JINGZHU HU, WEI LUO, AHUJA, Rajeev
Format: Article
Language:English
Subjects:
air
bulk modulus
CERAMICS
COMPRESSIBILITY
Condensed matter: structure, mechanical and thermal properties
Cr2GeC
diamond anvil cell
DIAMONDS
Exact sciences and technology
Fysik
High-pressure
High-pressure and shock-wave effects in solids and liquids
HOT PRESSING
MAX phases
Mechanical and acoustical properties of condensed matter
national synchrotron light source
NATURAL SCIENCES
NATURVETENSKAP
oxidation
PARTICLE ACCELERATORS
PHASE TRANSFORMATIONS
phases
Physics
PRESSURE RANGE
SCANNING ELECTRON MICROSCOPY
SYNCHROTRON RADIATION
SYNTHESIS
TECHNOLOGY
TEKNIKVETENSKAP
temperature
ternary layered carbide
ti2alc
ti3gec2
ti3sic2
X-RAY DIFFRACTION
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Summary:Mn+1AXn compounds have gathered huge momentum because of its exciting properties. In this paper we report the synthesis of ternary layered ceramic Cr2GeC, a 211 Mn+1AXn compound by hot-pressing. Scanning electron microscopy and X-ray diffraction have been employed to characterize the new synthesized phase. High-pressure compressibility of Cr2GeC were measured using diamond anvil cell and synchrotron radiation at room temperature up to 48 GPa. No phase transformation was observed in the experimental pressure range. The bulk modulus of Cr2GeC calculated using the Birch-Murnaghan equation of state is 169 +/- 3 GPa, with K' = 3.05 +/- 0.15.
ISSN:0925-8388
1873-4669
1873-4669
DOI:10.1016/j.jallcom.2007.09.078