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Pressure-Induced Phase Transition in N-H center dot center dot center dot O Hydrogen-Bonded Molecular Crystal Oxamide
Yan, TT; Li, SR; Wang, K; Tan, X; Jiang, ZM; Yang, K(杨舸); Liu, BB; Zou, GT; Zou, B
2012
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY B
ISSN1520-6106
Volume116Issue:32
AbstractThe effect of high pressure on the structural stability of oxamide has been investigated in a diamond anvil cell by Raman spectroscopy up to similar to 14.6 GPa and by angle-dispersive X-ray diffraction (ADXRD) up to similar to 17.5 GPa. The discontinuity in Raman shifts around 9.6 GPa indicates a pressure-induced structural phase transition. This phase transition is confirmed by the change of ADXRD spectra with the symmetry transformation from P (1) over bar to P1. On total release of pressure, the diffraction pattern returns to its initial state, implying this transition is reversible. We discuss the pressure-induced variations in N-H stretching vibrations and the amide modes in Raman spectra and propose that this phase transition is attributed to the distortions of the hydrogen-bonded networks.
Language英语
Funding Project应物所项目组
WOS IDWOS:000307494500026
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13257
Collection中科院上海应用物理研究所2011-2020年
Recommended Citation
GB/T 7714
Yan, TT,Li, SR,Wang, K,et al. Pressure-Induced Phase Transition in N-H center dot center dot center dot O Hydrogen-Bonded Molecular Crystal Oxamide[J]. JOURNAL OF PHYSICAL CHEMISTRY B,2012,116(32).
APA Yan, TT.,Li, SR.,Wang, K.,Tan, X.,Jiang, ZM.,...&Zou, B.(2012).Pressure-Induced Phase Transition in N-H center dot center dot center dot O Hydrogen-Bonded Molecular Crystal Oxamide.JOURNAL OF PHYSICAL CHEMISTRY B,116(32).
MLA Yan, TT,et al."Pressure-Induced Phase Transition in N-H center dot center dot center dot O Hydrogen-Bonded Molecular Crystal Oxamide".JOURNAL OF PHYSICAL CHEMISTRY B 116.32(2012).
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