Engineering
Engineering
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(2000) Kaog, G J P; Gowripalan, Nadarajah; Bandyopadhyay, SrikantaConference Paper
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(2000) Bandyopadhyay, Srikanta; Sowmya, Arcot; Maulik, UjjwalConference Paper
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(2000) Teoh, C; Sowmya, Arcot; Bandyopadhyay, SrikantaConference Paper
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(2000) Bandyopadhyay, Srikanta; Gowripalan, Nadarajah; Drayton, Noel; Heslehurst, RikardConference Paper
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(2002) Bandyopadhyay, Srikanta; Gowripalan, Nadarajah; Rizkalla, SBook
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(2000) Cotera, Angela; Simpson, John; Erickson, E; Colgan, Sean; Burton, Michael; Allen, DavidJournal Article
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(2000) Bandyopadhyay, Srikanta; Gowripalan, NadarajahConference Paper
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(2000) Bandyopadhyay, Srikanta; Gowripalan, Nadarajah; Drayton, N; Heslehurst, RConference Paper
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(2000) Han, Shaowei; Zhu, X; Zhao, YongJournal ArticleIn-plane fluctuations of superconductivity have been investigated for Al-doped Bi-2212 single crystals with different resistivity anisotropy. The experimental results of in-plane paraconductivity are in good agreement with the Lawrence and Doniach model. The interlayer coupling is found to decrease with the resistivity anisotropy.
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(2000) Zhao, Yong; Zhang, Guangqing; Feng, Dunping; G, Yuqing; F, Hou; Han, ShaoweiJournal ArticleHigh quality, large size Bi2Sr2CaCu2O8 (Bi-2212) single crystals have been grown by a self-flux method in a horizontal temperature gradient. We found that the presence of the horizontal temperature gradient is helpful for the crystal growing along the ab-plane direction. However, non-uniform distribution of temperature in the vertical direction in the furnace often causes imperfections along the c direction. This may be one of the critical reasons why crystals produced by flux method are very thin and easy to cleave along the ab-plane, compared with the crystals grown by the floating zone method. The influence of the growth conditions and post-heat treatment on the resistivity anisotropy of the crystals has been investigated. Crystals grown in the condition where the temperature is non-uniformly distributed along the vertical direction often have higher anisotropy in resistivity. In addition, the post-heat treatment in the nitrogen atmosphere reduces the anisotropy of the resistivity of the crystal. Possible mechanisms are discussed.