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A correlation between the Tc and hole concentration of La3CaxBa4−xCu7Oy superconductors

✍ Scribed by H.-C.I. Kao; D.S. Wu; M.K. Wu; C.M. Wang


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
163 KB
Volume
194-196
Category
Article
ISSN
0921-4526

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Correlation between Tc and hole concentr
✍ Yoji Koike; Yoshihiro Iwabuchi; Syoichi Hosoya; Norio Kobayashi; Tetsuo Fukase 📂 Article 📅 1989 🏛 Elsevier Science 🌐 English ⚖ 434 KB

Correlation between superconducting T~ and hole concentration was investigated in the Bi2Sr2CaCu208+~ system. The hole concentration was varied by substituting cations with different valences for Sr or Ca. In order to increase the hole concentration, some samples were annealed at 430°C in 250 bar of