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首页> 外文期刊>Physica, C. Superconductivity and its applications >Growth evolution of Bi2Sr2CaCu2O8+delta thin films deposited by infrared (1064 nm) pulsed laser deposition
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Growth evolution of Bi2Sr2CaCu2O8+delta thin films deposited by infrared (1064 nm) pulsed laser deposition

机译:红外(1064 nm)脉冲激光沉积沉积Bi2Sr2CaCu2O8 +δ薄膜的生长演化

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摘要

Bi2Sr2CaCu2O8+delta (Bi-2212) thin films were grown on MgO (1 0 0) using 1064 nm infrared pulsed laser deposition with post heat treatment. The material arrives at the substrate surface with characteristic spheroidal morphology. Smooth, homogeneous and highly c-axis oriented films were obtained after heat treatment. Using infrared laser as excitation, the stoichiometry of the target is preserved on the film. However, the films were apparently under-doped.
机译:使用1064 nm红外脉冲激光沉积和后热处理,在MgO(1 0 0)上生长Bi2Sr2CaCu2O8 +δ(Bi-2212)薄膜。材料以特征性的球状形态到达基板表面。热处理后可获得光滑,均匀且高度c轴取向的薄膜。使用红外激光作为激发,靶的化学计量被保留在膜上。但是,这些薄膜显然掺杂不足。

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