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- Title
Superconducting Transition Temperature in Hafnium under Pressures up to 64 GPa.
- Authors
Bashkin, I. O.; Nefedova, M. V.; Tissen, V. G.; Ponyatovsky, E. G.
- Abstract
The superconducting transition temperature Tc of hafnium is measured as a function of pressure up to 64 GPa. The character of the pressure dependence of Tc observed at α–ω–β transitions in Hf is found to be similar to that observed for Zr. In the regions of α and β phases, Tc increases with pressure with the slopes dTc/dP = 0.05 and 0.16 K/GPa, respectively. At the α–ω transition, Tc(P) exhibits a tendency to a decrease, while at the ω–β transition, Tc increases stepwise from 5.8 to 8.0 K. The α–ω transition occurs at pressures between 31.2 and 35.9 GPa, and the ω–β transition, at a pressure of 62±2 GPa. © 2004 MAIK “Nauka/Interperiodica”.
- Subjects
HAFNIUM compounds; TRANSITION metal compounds; SUPERCONDUCTING composites; METALLIC composites; SUPERCONDUCTORS; PRESSURE; PHYSICS
- Publication
JETP Letters, 2004, Vol 80, Issue 9, p655
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.1857274