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- Title
ELECTRON TUNNELING MEASUREMENTS OF ENERGY GAP IN SUPERCONDUCTORS YBaCuO, LaSrCuO AND BPBO.
- Authors
TAO, Hongjie; CHEN, Yingfei; LU, Li; YANG, Qiansheng; ZHAO, Bairu; SHI, Yinghuan; LU, Yong; WANG, Huisheng; ZHAO, Yuying; LI, Lin; FANG, Yue; LIU, Jinxiang; CHEN, Liquan; TANG, Disheng; WU, Qianzhang
- Abstract
We have carried out superconducting energy gap measurements for polycrystalline perovskite-structure superconductors YBaCuO, LaSrCuO and BPBO with point contact tunneling. The tunneling conductance curves for YBaCuO, LaSrCuO and BPBO show the energy gap to transition temperature ratio 2Δ/kTc =4.7, 7.8 and 5.05 respectively, which is consistant with the strong-coupling superconductivity.
- Publication
International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 1987, Vol 1, Issue 2, p555
- ISSN
0217-9792
- Publication type
Article
- DOI
10.1142/S0217979287000864