Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Pressure research on the superconductivities of Y-Ba-Cu and Y-Gd-Ba-Cu oxides

Journal Article · · Chin. Phys.; (United States)
OSTI ID:6418976
The pressure effect on the superconducting transition temperature for Y/sub 1/-Ba/sub 2/-Cu/sub 3/ and Y/sub 1/-Gd/sub 1/-Ba/sub 1/-Cu/sub 3/ oxides was investigated up to 12 kbar between 77--300 K. The resistance measurements were carried out by the use of a standard DC four-lead technique. The pressure environment was provided by a Be-Cu clamp with a fluid medium. Pressure enhanced the superconducting transition temperature T/sub c//sub //sub i/ (onset temperature) and T/sub c//sub //sub f/ (the temperature where resistance vanishes) for these two materials; the ..delta..T/sub c//sub //sub f//..delta..p is 0.71 K kbar for Y-Ba-Cu oxide and 0.27 K/kbar for Y-Gd-Ba-Cu oxide. The resistivity rho/sub c//sub //sub i/ at T/sub c//sub //sub i/ is depressed by pressure for Y-Ba-Cu oxide.
Research Organization:
Department of Physics, Shanghai University of Science and Technology
OSTI ID:
6418976
Journal Information:
Chin. Phys.; (United States), Journal Name: Chin. Phys.; (United States) Vol. 9:1; ISSN CHPHD
Country of Publication:
United States
Language:
English