Critical current in polycrystalline Bi-Ca-Sr-Cu-O films

H. C. Yang; J. C. Jao; H. H. Sung; H. E. Horng; H. C. Chen

doi:10.1103/PhysRevB.39.9628

Critical current in polycrystalline Bi-Ca-Sr-Cu-O films

H. C. Yang^*, J. C. Jao, H. H. Sung, H. E. Horng, H. C. Chen

^*Corresponding author for this work

Undergraduate Program of Electro-Optical Engineering

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

Thin films of Bi-Ca-Sr-Cu-O were prepared by rf magnetron sputtering a sintered Bi2CaSr2Cu2O8-y target. The films were deposited on a MgO(100) substrate. The data reported here have a Tc (50%) of about 86 K and a transition width Tc=9081 K (9010%). Temperature-dependent I-V characteristics examined over wide ranges reveal that the critical current is proportional to (1-T/Tc)3/2 near Tc. The implication of the (3/2 power dependence will be discussed.

Original language	English
Pages (from-to)	9628-9630
Number of pages	3
Journal	Physical Review B
Volume	39
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevB.39.9628
Publication status	Published - 1989

ASJC Scopus subject areas

Condensed Matter Physics

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10.1103/PhysRevB.39.9628

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abstract = "Thin films of Bi-Ca-Sr-Cu-O were prepared by rf magnetron sputtering a sintered Bi2CaSr2Cu2O8-y target. The films were deposited on a MgO(100) substrate. The data reported here have a Tc (50%) of about 86 K and a transition width Tc=9081 K (9010%). Temperature-dependent I-V characteristics examined over wide ranges reveal that the critical current is proportional to (1-T/Tc)3/2 near Tc. The implication of the (3/2 power dependence will be discussed.",

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AU - Yang, H. C.

AU - Jao, J. C.

AU - Sung, H. H.

AU - Horng, H. E.

AU - Chen, H. C.

PY - 1989

Y1 - 1989

N2 - Thin films of Bi-Ca-Sr-Cu-O were prepared by rf magnetron sputtering a sintered Bi2CaSr2Cu2O8-y target. The films were deposited on a MgO(100) substrate. The data reported here have a Tc (50%) of about 86 K and a transition width Tc=9081 K (9010%). Temperature-dependent I-V characteristics examined over wide ranges reveal that the critical current is proportional to (1-T/Tc)3/2 near Tc. The implication of the (3/2 power dependence will be discussed.

AB - Thin films of Bi-Ca-Sr-Cu-O were prepared by rf magnetron sputtering a sintered Bi2CaSr2Cu2O8-y target. The films were deposited on a MgO(100) substrate. The data reported here have a Tc (50%) of about 86 K and a transition width Tc=9081 K (9010%). Temperature-dependent I-V characteristics examined over wide ranges reveal that the critical current is proportional to (1-T/Tc)3/2 near Tc. The implication of the (3/2 power dependence will be discussed.

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Critical current in polycrystalline Bi-Ca-Sr-Cu-O films

Abstract

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