Superconducting and normal state parameters of Bi2.2Sr2Ca0.8Cu2O8+δ single crystals: A comparison with Ba2YCu3O7

B. Batlogg, T. T.M. Palstra, L. F. Schneemeyer, R. B. Van Dover, R. J. Cava

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Abstract

Magnetic and magnetotransport properties were studied on Bi2.2Sr2Ca0.8Cu2O8+δ single crystals. The normal state resistivity in the a-b plane varies linearly with temperature and extrapolates to zero at T = 0. The slopes of the upper critical field are −4.5+1(−0.55) T/K for H perpendicular (parallel) to the c-axis. The coherence length is calculated to be ≈30A˚in the a-b plane but only ≈A˚perpendicular to it. ξc is thus shorter than the 12A˚spacing between the Cu-O double layers. From Hc1 and Hc2 data, the Sommerfeld parameter γ is deduced.

Original languageEnglish
Pages (from-to)1062-1066
Number of pages5
JournalPhysica C: Superconductivity and its applications
Volume153-155
DOIs
StatePublished - 1 Jan 1988

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Galvanomagnetic effects
Single crystals
slopes
magnetic properties
electrical resistivity
single crystals
Temperature
temperature

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title = "Superconducting and normal state parameters of Bi2.2Sr2Ca0.8Cu2O8+δ single crystals: A comparison with Ba2YCu3O7",
abstract = "Magnetic and magnetotransport properties were studied on Bi2.2Sr2Ca0.8Cu2O8+δ single crystals. The normal state resistivity in the a-b plane varies linearly with temperature and extrapolates to zero at T = 0. The slopes of the upper critical field are −4.5+1(−0.55) T/K for H perpendicular (parallel) to the c-axis. The coherence length is calculated to be ≈30A˚in the a-b plane but only ≈A˚perpendicular to it. ξc is thus shorter than the 12A˚spacing between the Cu-O double layers. From Hc1 and Hc2 data, the Sommerfeld parameter γ is deduced.",
author = "B. Batlogg and Palstra, {T. T.M.} and Schneemeyer, {L. F.} and {Van Dover}, {R. B.} and Cava, {R. J.}",
year = "1988",
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doi = "10.1016/0921-4534(88)90200-6",
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Superconducting and normal state parameters of Bi2.2Sr2Ca0.8Cu2O8+δ single crystals : A comparison with Ba2YCu3O7. / Batlogg, B.; Palstra, T. T.M.; Schneemeyer, L. F.; Van Dover, R. B.; Cava, R. J.

In: Physica C: Superconductivity and its applications, Vol. 153-155, 01.01.1988, p. 1062-1066.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Superconducting and normal state parameters of Bi2.2Sr2Ca0.8Cu2O8+δ single crystals

T2 - A comparison with Ba2YCu3O7

AU - Batlogg, B.

AU - Palstra, T. T.M.

AU - Schneemeyer, L. F.

AU - Van Dover, R. B.

AU - Cava, R. J.

PY - 1988/1/1

Y1 - 1988/1/1

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AB - Magnetic and magnetotransport properties were studied on Bi2.2Sr2Ca0.8Cu2O8+δ single crystals. The normal state resistivity in the a-b plane varies linearly with temperature and extrapolates to zero at T = 0. The slopes of the upper critical field are −4.5+1(−0.55) T/K for H perpendicular (parallel) to the c-axis. The coherence length is calculated to be ≈30A˚in the a-b plane but only ≈A˚perpendicular to it. ξc is thus shorter than the 12A˚spacing between the Cu-O double layers. From Hc1 and Hc2 data, the Sommerfeld parameter γ is deduced.

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