In situ Raman spectroscopic study of the pressure induced structural changes in ammonia borane

被引：20

作者：

Kupenko, Ilya ^{[1
]}

Dubrovinsky, Leonid ^{[1
]}

Dmitriev, Vladimir ^{[2
]}

Dubrovinskaia, Natalia ^{[3
]}

机构：

[1] Univ Bayreuth, Bayer Geoinst, D-95440 Bayreuth, Germany

[2] Swiss Norwegian Beam Line, ESRF, F-38043 Grenoble, France

[3] Univ Bayreuth, Crystallog Lab, Dept Phys, D-95440 Bayreuth, Germany

来源：

JOURNAL OF CHEMICAL PHYSICS | 2012年 / 137卷 / 07期

关键词：

THERMAL-DECOMPOSITION;

D O I：

10.1063/1.4746074

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The effect of static compression up to 65 GPa at ambient temperature on ammonia borane.. BH3NH3, has been investigated using in situ Raman spectroscopy in a diamond anvil cells. Two phase transitions were observed at approximately 12 GPa and previously not reported transition at 27 GPa. It was demonstrated that ammonia borane behaves differently under compression at quasi-hydrostatic and non-hydrostatic conditions. The ability of BH3NH3 to generate second harmonic of the laser light observed up to 130 GPa suggests that the non-centrosymmetric point group symmetry is preserved in the material up to very high pressures. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4746074]

引用

页数：8

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