TlCaBa2Cu2O7: The 1122 (90 K) superconductor in the new Tl(Ca,Ba)n+1CunO2n+3 series

Ashok K. Ganguli; G. N. Subbanna; Cnr Rao

doi:10.1016/0921-4534(88)90115-3

TlCaBa2Cu2O7: The 1122 (90 K) superconductor in the new Tl(Ca,Ba)n+1CunO2n+3 series

Physica C Superconductivity 156(1): 116-118

Article 1988 English

Abstract

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The 1122 (n=2) member of the Tl(Ca,Ba) n+1Cu n O2n+3 series containing a single Tl-O layer is shown to be associated with a T c of 90 K. This value of T c is significantly lower than that of the 2122 phase (T c∼110 K) with two Tl-O layers.

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