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Tunneling studies on single crystals of superconducting Bi2Ca1−xYxSr2Cu2O8+δ

✍ Scribed by H. Srikanth; A.K. Raychaudhuri; C.R. Venkateswara Rao; P. Ramasamy; Hemantkumar N. Aiyer; C.N.R. Rao

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
411 KB
Volume
200
Category
Article
ISSN
0921-4534

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✦ Synopsis

Tunneling studies have been carried out on single crystals of Bi>Ca, ,Sr,Cu& x+,> over a wide range of compositions wherein the hole concentration varies by a factor of 2.5. The 23 value varies between 25 meV and 75 meV over the composition range studied, but scales with 2A/k,T,=9.5 throughout

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Growth, twin and domain structure studie
Growth, twin and domain structure studies of superconducting Bi2Sr2Ca1−xYxCu2O8+δ single crystals
✍ R. Jayavel; A. Thamizhavel; P. Murugakoothan; C. Subramanian; P. Ramasamy 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 740 KB

Single crystals of superconducting Bi2Sr2Cat\_xYxCu2Os+6 (X= 0.0-0.25 ) have been grown by spontaneous nucleation technique from stoiehiometric melt composition. The effect of yttrium on the growth as well as on the superconducting properties has been studied. The variation of lattice parameters wit