Abstract

A single crystal of Bi 2.0( Bi 0.2 Sr 1.8 Ca 1.0) Cu 2.0 O 8 was grown by the floating zone method. This compound melts incongruently and the grown boule is an aggregate of large single crystal grains with growth direction perpendicular to [001]. The crystals tend to grow along the direction [100] and can be easily cleaved along the (001) plane. The grown crystal has orthorhombic symmetry with superstructure and the cell constants a, b and c of the sub-cell are 5.43, 5.43 and 30.63 Å, respectively. This crystal reaches zero resistance state at 92 K.

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