High pressure X-ray diffraction and electrical resistance study of the quasi-one-dimensional sulfide InV6S8

Autor: Hans D. Hochheimer, Alka B. Garg, Tsukio Ohtani, V. Vijayakumar, B.R. Martin, B. K. Godwal
Rok vydání: 2004
Předmět:
Zdroj: Solid State Communications. 132:731-736
ISSN: 0038-1098
Popis: The ambient structural details and the results of room temperature high pressure angle dispersive X-ray diffraction and electrical resistance measurements on the quasi-one-dimensional sulfide, InV 6 S 8 , to a pressure of 25 GPa are reported. The material does not undergo a phase transition in this pressure range, though an anomaly in the c/a ratio has been observed around 10 Gpa. A fit of the Murnaghan equation of state to the V/V 0 versus pressure data, with the value of the derivative of B 0 with respect to pressure, B' 0 , fixed at 4 has yielded a value of the bulk modulus, B 0 , of 110 GPa. We also present data of the pressure dependence of the lattice constants, a and c, the ratio c/a, and the resistance at room temperature.
Databáze: OpenAIRE