| [1] | 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. |
| [2] | 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. |
| [3] | 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. |
| [4] | 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. |
| [5] | 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. |
| [6] | 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. |
| [7] | 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. |
| [8] | 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. |
| [9] | 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. |
| [10] | 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) |
| [11] | 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. |
| [12] | 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. |