-BaB2O4晶体高压相变的X光衍射研究

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-BaB2O4晶体高压相变的X光衍射研究

顾惠成, 陈良辰, 李凤英, 车荣钲, 陈红, 王积方, 林远坤, 蓝国祥

文章导航 > 高压物理学报 > 1995 > 9(1): 69-73 .

顾惠成, 陈良辰, 李凤英, 车荣钲, 陈红, 王积方, 林远坤, 蓝国祥. -BaB2O4晶体高压相变的X光衍射研究[J]. 高压物理学报, 1995, 9(1): 69-73 . doi: 10.11858/gywlxb.1995.01.011

引用本文:

顾惠成, 陈良辰, 李凤英, 车荣钲, 陈红, 王积方, 林远坤, 蓝国祥. -BaB2O4晶体高压相变的X光衍射研究[J]. 高压物理学报, 1995, 9(1): 69-73 . doi: 10.11858/gywlxb.1995.01.011

GU Hui-Cheng, CHEN Liang-Chen, LI Feng-Ying, CHE Rong-Zheng, CHEN Hong, WANG Ji-Fang, LIN Yuan-Kun, LAN Guo-Xiang. A Pressure-Induced Phase Transition Study of -BaB2O4 Crystal by X-Ray Diffraction[J]. Chinese Journal of High Pressure Physics, 1995, 9(1): 69-73 . doi: 10.11858/gywlxb.1995.01.011

Citation:

GU Hui-Cheng, CHEN Liang-Chen, LI Feng-Ying, CHE Rong-Zheng, CHEN Hong, WANG Ji-Fang, LIN Yuan-Kun, LAN Guo-Xiang. A Pressure-Induced Phase Transition Study of -BaB2O4 Crystal by X-Ray Diffraction[J]. Chinese Journal of High Pressure Physics, 1995, 9(1): 69-73 . doi: 10.11858/gywlxb.1995.01.011

顾惠成, 陈良辰, 李凤英, 车荣钲, 陈红, 王积方, 林远坤, 蓝国祥. -BaB2O4晶体高压相变的X光衍射研究[J]. 高压物理学报, 1995, 9(1): 69-73 . doi: 10.11858/gywlxb.1995.01.011

引用本文:

顾惠成, 陈良辰, 李凤英, 车荣钲, 陈红, 王积方, 林远坤, 蓝国祥. -BaB2O4晶体高压相变的X光衍射研究[J]. 高压物理学报, 1995, 9(1): 69-73 . doi: 10.11858/gywlxb.1995.01.011

GU Hui-Cheng, CHEN Liang-Chen, LI Feng-Ying, CHE Rong-Zheng, CHEN Hong, WANG Ji-Fang, LIN Yuan-Kun, LAN Guo-Xiang. A Pressure-Induced Phase Transition Study of -BaB2O4 Crystal by X-Ray Diffraction[J]. Chinese Journal of High Pressure Physics, 1995, 9(1): 69-73 . doi: 10.11858/gywlxb.1995.01.011

Citation:

GU Hui-Cheng, CHEN Liang-Chen, LI Feng-Ying, CHE Rong-Zheng, CHEN Hong, WANG Ji-Fang, LIN Yuan-Kun, LAN Guo-Xiang. A Pressure-Induced Phase Transition Study of -BaB2O4 Crystal by X-Ray Diffraction[J]. Chinese Journal of High Pressure Physics, 1995, 9(1): 69-73 . doi: 10.11858/gywlxb.1995.01.011

-BaB2O4晶体高压相变的X光衍射研究

doi: 10.11858/gywlxb.1995.01.011

1.
中国科学院物理研究所，北京 100080；
2.
南开大学物理系，天津 300071

通讯作者:
顾惠成

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出版历程
- 收稿日期: 1993-03-19
- 修回日期: 1994-05-09
- 发布日期: 1995-03-05

A Pressure-Induced Phase Transition Study of -BaB2O4 Crystal by X-Ray Diffraction

1.
Institute of Physics, Academia Sinica, Beijing 100080, China;
2.
Department of Physics, Nankai University, Tianjin 30007, China

More Information

Corresponding author: GU Hui-Cheng

摘要: 我们用金刚石压砧装置（DAC）高压X射线粉末衍射照相方法，研究了-BaB2O4晶体的相变。压力从0.1 MPa逐步加至17.6 GPa，发现BBO由室温下的六方相经历了若干次相变后，当压力加至11.5 GPa时，转变为无定形相。在11.5 GPa压力前的相变是可逆的，一旦进入无定形相，则相变是不可逆的。
- 偏硼酸钡（简称-BBO） /
- 压致相变 /
- X光衍射 /
- 金刚石压砧装置
Abstract: Phase transitions of -BaB2O4 crystal have been studied by using X-ray powder diffraction technique with a diamond anvil cell (DAC) at high pressure up to 17.6 GPa. According to the X-ray diffraction results, -BaB2O4 crystal undergoes three pressure-induced phase transitions neat 2.2 GPa, 5.3 GPa, 11.5 GPa, respectively. The phase transitions are reversible below 11.5 GPa. -BaB2O4 becomes amorphous and the phase transition is irreversible above 11.5 GPa.
- barium metaborate (-BBO) /
- pressure-induced phase transition /
- X-ray diffraction /
- diamond anvil cell

参考文献(2)

Lin Yuankun, Cai Qingrui, Lan Guoxiang, et al. Spectroehemica Acta, 1992, 48 A(5): 653-657.

Sankaran Hema, Sikka S K, Sharma S M, et al. Physical Review B, 1988, 38(1): 170-173.

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