Ba2CuO2Cl2的高压合成及原位高压结构稳定性研究

刘清青; 王福仁; 李凤英; 陈良辰; 禹日成; 靳常青; 李延春; 刘景

doi:10.11858/gywlxb.2008.01.020

Ba2CuO2Cl2的高压合成及原位高压结构稳定性研究

doi: 10.11858/gywlxb.2008.01.020

1.
北京大学物理学院，北京 100871；
2.
中国科学院物理研究所，北京 100080；
3.
中国科学院高能物理研究所，北京 100039

详细信息

通讯作者:
刘清青

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出版历程
- 收稿日期: 2007-09-30
- 修回日期: 2007-11-26
- 发布日期: 2008-03-05

The High Pressure Synthesis and Situ High Pressure Structural Stability of Ba2CuO2Cl2

1.
College of Physics,Peking University, Beijing 100871, China;
2.
Institute of Physics,Chinese Academy of Sciences, Beijing 100080, China;
3.
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China

More Information

Corresponding author: LIU Qing-Qing

摘要

摘要: 在高温高压下合成出了单相的Ba2CuO2Cl2化合物，在高压下对该化合物晶体结构的稳定性进行了研究。结果表明，在实验测量的压力范围内，Ba2CuO2Cl2化合物的晶体结构是稳定的，并且其压缩性表现出较强的各向异性，计算得到了Ba2CuO2Cl2化合物的体弹模量和状态方程。
- 高温高压 /
- Ba2CuO2Cl2 /
- 金刚石压砧
Abstract: Ba2CuO2Cl2 was synthesized under high pressure. The crystal structure stability of Ba2CuO2Cl2 was investigated under high pressure. It shows that Ba2CuO2Cl2 is stable in the studied pressure range but with a relative large anisotropic compressibility.
- high temperature and high pressure /
- Ba2CuO2Cl2 /
- diamond anvil cell

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参考文献(12)

Miller L L, Wang X L, Wang S X, et al. Synthesis, Structure, and Properties of Sr2CuO2Cl2 [J]. Phys Rev B, 1990, 41: 1921-1925.

Ronning F, Kim C, Feng D L, et al. Photoemission Evidence for a Remnant Fermi Surface and a d-Wave-Like Dispersion in Insulating Ca2CuO2Cl2 [J]. Science, 1998, 282: 2067-2072.

Kim C, White P J, Shen Z X, et al. Systematics of the Photoemission Spectral Function of Cuprates: Insulators and Hole- and Electron-Doped Superconductors [J]. Phys Rev Lett, 1998, 80: 4245-4248.

Wells B O, Shen Z X, Matsuura A, et al. E versus k Relations and Many Body Effects in the Model Insulating Copper Oxide Sr2CuO2Cl2 [J]. Phys Rev Lett, 1995, 74: 964-967.

Hanaguri T, Lupien C, Kohsaka Y, et al. A 'Checkerboard' Electronic Crystal State in Lightly Hole-Doped Ca2-xNaxCuO2Cl2 [J]. Nature, 2004, 430: 1001-1005.

Ohta Y, Tohyama T, Maekawa S. Apex Oxygen and Critical Temperature in Copper Oxide Superconductors: Universal Correlation with the Stability of Local Singlets [J]. Phys Rev B, 1990, 43: 2968-2982.

Novikov D L, Freemab A J. Electronic Structure of Superconductors without Apical Oxygen: Sr2CuO2F2, Sr2CuO2Cl2, and Ca2CuO2Cl2 [J]. Phys Rev B, 1995, 51: 6675-6679.

Jin C Q, Wu X J, Laffez P, et al. Superconductivity at 80 K in (Sr, Ca)3Cu2O4+Cl2-y Induced by Apical Oxygen Doping [J]. Nature, 1995, 375: 301-303.

Jin C Q, Wu X J, Adachi S, et al. High-Pressure Synthesis and Superconducting Properties of the Oxychloride Superconductor (Sr, Ca)3Cu2O4+Cl2-y [J]. Phys Rev B, 2000, 61: 778-783.

Jin C Q. The High Pressure Synthesis and Properties of Apical Oxygen Doped High Tc Superconductors [J]. Chinese Journal of High Pressure Physics, 2004, 18(1): 4-9. (in Chinese)

靳常青. 高温高压合成顶角氧掺杂型高温超导系列 [J]. 高压物理学报, 2004, 18(1): 4-9.

Liu Q Q, Qin X M, Yu Y, et al. High Pressure Synthesis of a New Superconductor Sr2CuO2+Cl2-y Induced by Apical Oxygen Doping [J]. Physica C, 2005, 420: 23-29.

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