High pressure AC resistivity and compressibility study on Al2(WO4)3

The effect of pressure on the resistivity and compressibility on Al2(WO4)3 has been investigated. AC resistivity measurements have shown that the resistance values are strongly frequency dependent and show an anomalous change at about 5 kbar. Compressibility measurements also show an inflection at a...

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Veröffentlicht in:	The Journal of physics and chemistry of solids 2003-04, Vol.64 (4), p.611-614
Hauptverfasser:	MUKHERJEE, G. D, ACHARY, S. N, TYAGI, A. K, VAIDYA, S. N
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Conductivity of specific materials Electronic transport in condensed matter Exact sciences and technology High-pressure and shock-wave effects in solids and liquids Mechanical and acoustical properties of condensed matter Phase transitions: general studies Physics Statistical physics, thermodynamics, and nonlinear dynamical systems Thermodynamics Transition-metal compounds
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Zusammenfassung:	The effect of pressure on the resistivity and compressibility on Al2(WO4)3 has been investigated. AC resistivity measurements have shown that the resistance values are strongly frequency dependent and show an anomalous change at about 5 kbar. Compressibility measurements also show an inflection at about 5 kbar in the pressure derivative of the volume compression data, which is found to be reversible. Both the measurements indicate the occurrence of a reversible phase transformation in Al2(WO4)3 at about 5 kbar. 15 refs.
ISSN:	0022-3697 1879-2553
DOI:	10.1016/S0022-3697(02)00361-X