高压对高温超导体La1.85Sr0.15CuO4电子结构的影响

郝学军 章立源 王怀玉

郝学军, 章立源, 王怀玉. 高压对高温超导体La1.85Sr0.15CuO4电子结构的影响[J]. 高压物理学报, 1994, 8(1): 1-8 . doi: 10.11858/gywlxb.1994.01.001
引用本文: 郝学军, 章立源, 王怀玉. 高压对高温超导体La1.85Sr0.15CuO4电子结构的影响[J]. 高压物理学报, 1994, 8(1): 1-8 . doi: 10.11858/gywlxb.1994.01.001
HAO Xue-Jun, ZHANG Li-Yuan, WANG Huai-Yu. Effect of High Pressure on Electronic Structure of Super conducting La1.85Sr0.15CuO4[J]. Chinese Journal of High Pressure Physics, 1994, 8(1): 1-8 . doi: 10.11858/gywlxb.1994.01.001
Citation: HAO Xue-Jun, ZHANG Li-Yuan, WANG Huai-Yu. Effect of High Pressure on Electronic Structure of Super conducting La1.85Sr0.15CuO4[J]. Chinese Journal of High Pressure Physics, 1994, 8(1): 1-8 . doi: 10.11858/gywlxb.1994.01.001

高压对高温超导体La1.85Sr0.15CuO4电子结构的影响

doi: 10.11858/gywlxb.1994.01.001
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    郝学军

Effect of High Pressure on Electronic Structure of Super conducting La1.85Sr0.15CuO4

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    Corresponding author: HAO Xue-Jun
  • 摘要: 采用Recursion方法计算了常压和1 GPa、4 GPa、8 GPa高压下La1.85Sr0.15CuO4的电子结构,给出了费米能、费米能处态密度以及各晶位原子价的定量变化。结果表明:高压下Tc的变化可能源于CuO2面上氧空穴和铜空穴数目的改变,且氧空穴数目的增加有利于超导性。

     

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出版历程
  • 收稿日期:  1993-08-26
  • 修回日期:  1993-08-26
  • 发布日期:  1994-03-05

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