Structural Stability of CaCuMn6O12 under High Pressure and Low Temperature
ZHANG Wang1, YAO Li-De1, YOU Shu-Jie1, YANG Liu-Xiang1, YANG Hua1, LI Feng-Ying1, CHEN Liang-Chen1, BAO Zhong-Xing1, LI Xiao-Dong2, LIU Jing2, JIN Chang-Qing1, YU Ri-Cheng1
1 Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, PO Box 603, Beijing 100080
2 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039
Structural Stability of CaCuMn6O12 under High Pressure and Low Temperature
1 Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, PO Box 603, Beijing 100080
2 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039
摘要In situ high pressure energy-dispersive x-ray synchrotron radiation diffraction and resistance experiments are carried out on CaCuMn6O12. Its crystal structure is stable in the measured pressure range. The equation of state of CaCuMn6O12 is obtained from the V/V0-P relationship (V and V0 are the volumes at pressure P and at atmosphere). The bulk modulus B0 is calculated based on the Birch--Murnaghan equation. Low temperature x-ray diffraction shows no phase transition occurring down to 160K.
In situ high pressure energy-dispersive x-ray synchrotron radiation diffraction and resistance experiments are carried out on CaCuMn6O12. Its crystal structure is stable in the measured pressure range. The equation of state of CaCuMn6O12 is obtained from the V/V0-P relationship (V and V0 are the volumes at pressure P and at atmosphere). The bulk modulus B0 is calculated based on the Birch--Murnaghan equation. Low temperature x-ray diffraction shows no phase transition occurring down to 160K.
ZHANG Wang;YAO Li-De;YOU Shu-Jie;YANG Liu-Xiang;YANG Hua;LI Feng-Ying;CHEN Liang-Chen;BAO Zhong-Xing;LI Xiao-Dong;LIU Jing;JIN Chang-Qing;YU Ri-Cheng. Structural Stability of CaCuMn6O12 under High Pressure and Low Temperature[J]. 中国物理快报, 2007, 24(2): 536-538.
ZHANG Wang, YAO Li-De, YOU Shu-Jie, YANG Liu-Xiang, YANG Hua, LI Feng-Ying, CHEN Liang-Chen, BAO Zhong-Xing, LI Xiao-Dong, LIU Jing, JIN Chang-Qing, YU Ri-Cheng. Structural Stability of CaCuMn6O12 under High Pressure and Low Temperature. Chin. Phys. Lett., 2007, 24(2): 536-538.
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