Superconductor-to-nonsuperconductor transition in (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">La</mml:mi></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mi mathvariant="normal">−</mml:mi><mml:mi mathvariant="normal">x</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">Sr</mml:mi></mml:mrow><mml:mrow><mml:mi mathvariant="normal">x</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mo>)</mml:mo></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">CuO</mml:mi></mml:mrow><mml:mrow><mml:mn>4</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>as investigated by transport and magnetic measurements
H. TakagiEngineering Research Institute, University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 113, JapanT. IdoEngineering Research Institute, University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 113, JapanShoji IshibashiEngineering Research Institute, University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 113, JapanM. UotaEngineering Research Institute, University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 113, JapanS. UchidaEngineering Research Institute, University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 113, JapanY. TokuraEngineering Research Institute, University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 113, Japan
1989lv
ABI
Аннотация
Transport and magnetic properties of (${\mathrm{La}}_{1\mathrm{\ensuremath{-}}\mathrm{x}}$${\mathrm{Sr}}_{\mathrm{x}}$${)}_{2}$${\mathrm{CuO}}_{4}$ are systematically investigated over a wide composition range up to x=0.175 including a nonsuperconducting metal phase in the heavily doped region. Remarkable changes associated with the superconductor-to-nonsuperconductor transition are observed both in the Hall coefficient and the magnetic susceptibility, suggesting the modification of both charge and spin states.
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