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Interface Conduction between Conductive ReO_3 Thin Film and NdBa_2Cu_3O_6 Thin Film

机译:导电ReO_3薄膜与NdBa_2Cu_3O_6薄膜之间的界面传导

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The Re oxide films were deposited on quartz glasses by RF reactive sputtering from a Re metal target. The lowest resistivity was observed in the film in-situ annealed at 200℃ in Ar atmosphere and showed the order of 10~(-4) Ω cm of which the value was still about 10 times as large as that of a single crystal ReO_3. The temperature dependence of the resistivity revealed a metallic behavior. A superconductivity did not take place in the bilayered film of ReO_3 / NdBa_2Cu_3O_6. In the interface region the resistivity minimum probably caused by the Kondo effect was observed in the neighborhood of 120 K.
机译:通过RF反应溅射从Re金属靶将Re氧化物膜沉积在石英玻璃上。在Ar气氛中于200℃原位退火的薄膜中观察到最低电阻率,并显示出10〜(-4)Ωcm的量级,其值仍约为单晶ReO_3的10倍。电阻率的温度依赖性显示出金属行为。 ReO_3 / NdBa_2Cu_3O_6的双层膜未发生超导。在界面区域,在120 K附近观察到可能由近藤效应引起的最小电阻率。

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