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    Article

    Superconductivity at 3.5 K in BaPb0.75Sb0.25O3: why is Tc so low?

    SUPERCONDUCTING BaPb0.75Bi0.25O3, with a transition temperature (Tc ) of 12 K (ref. 1), is now widely viewed as the precursor to the recent appearance of copper oxide superconductors with record high Tc S. The ob...

    R. J. Cava, B. Batlogg, G. P. Espinosa, A. P. Ramirez, J. J. Krajewski… in Nature (1989)

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    Article

    Synthesis of bulk superconducting YBa2Cu4O8 at one atmosphere oxygen pressure

    THE well-known 90-K superconductor Y2Ba2Cu3O7 ('123') is the first (n = 0) member of a homologous series of compounds with the general formula Y2Ba4Cu6+nO14+n. These compounds combine layers of copper–oxygen pyra...

    R. J. Cava, J. J. Krajewski, W. F. Peck Jr, B. Batlogg, L. W. Rupp Jr… in Nature (1989)

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    Hardness and Elastic Modulus Measurements in CdTe and ZnTe Thin Film and Bulk Samples and ZnTe-CdTe Superlattices

    Hardness and modulus values of bulk and epilayer ZnTe and CdTe samples and of ZnTe-CdTe superlattices are reported. Both hardness and Young’s modulus values increase with increasing ZnTe content in the ZnCdTe ...

    L. J. Farthing, T. P. Weihs, D. W. Kisker… in MRS Online Proceedings Library (1988)

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    Article

    Superconductivity near 70 K in a new family of layered copper oxides

    A new family of high-temperature superconductors is described, with the general formula Pb2Sr2ACu3O8+δ. Although they have the planes of CuO5 square pyramids characteristic of the other copper-oxide superconducto...

    R. J. Cava, B. Batlogg, J. J. Krajewski, L. W. Rupp, L. F. Schneemeyer… in Nature (1988)

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    Article

    Superconductivity near 30 K without copper: the Ba0.6K0.4BiO3 perovskite

    It is well known that the breakthrough of Bednorz and Müller1 in discovering superconductivity in (La, Ba)2CuO4 was inspired in part by their knowledge of the superconducting properties of Ba(Pb, Bi)O3 (ref. 2). ...

    R. J. Cava, B. Batlogg, J. J. Krajewski, R. Farrow, L. W. Rupp Jr, A. E. White… in Nature (1988)

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    Article

    Photoluminescence of MBE and MOCVD ZnTe Films on GaAs

    We present low-temperature photoluminescence (PL) spectra of MBE and MOCVD ZnTe layers deposited on (100) GaAs substrates under different growth conditions. Strong bands associated with Zn vacancies are observ...

    B. A. Wilson, Carl E. Bonner, R. D. Feldman, R. F. Austin… in MRS Online Proceedings Library (1987)

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