Phase transformations and vibrational properties of coronene under pressure

	Phase transformations and vibrational properties of coronene under pressure
	Zhao, XM; Zhang, J; Berlie, A; Qin, ZX; Huang, QW; Jiang, S; Zhang, JB; Tang, LY; Liu, J; Zhang, C
刊名	JOURNAL OF CHEMICAL PHYSICS
	2013
卷号	139 期号:14 页码:144308
英文摘要	Both the vibrational and structural properties of coronene have been investigated upon compression up to 30.5 GPa at room temperature by a combination of Raman scattering and synchrotron x-ray diffraction measurements. The spectroscopic and crystallographic results demonstrate that two pressure-induced structural phase transitions take place at 1.5 GPa and 12.2 GPa where the high-pressure phases are identified as monoclinic and orthorhombic crystal structures with space groups of P2/m and Pmmm, respectively. A kink in the slope of the cell parameters as a function of pressure is associated with the disappearance of several internal Raman modes, which suggests the existence of structural distortions or reorganizations at approximately 6.0 GPa. Above 17.1 GPa, almost no evidence of crystallinity can be observed, indicating a possible transformation of coronene into an amorphous phase. (C) 2013 AIP Publishing LLC.
学科主题	Physics
收录类别	SCI
WOS记录号	WOS:000325780800027
公开日期	2016-05-03
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/224652]
专题	高能物理研究所_多学科研究中心
推荐引用方式 GB/T 7714	Zhao, XM,Zhang, J,Berlie, A,et al. Phase transformations and vibrational properties of coronene under pressure[J]. JOURNAL OF CHEMICAL PHYSICS,2013,139(14):144308.
APA	Zhao, XM.,Zhang, J.,Berlie, A.,Qin, ZX.,Huang, QW.,...&Chen, XJ；刘景.(2013).Phase transformations and vibrational properties of coronene under pressure.JOURNAL OF CHEMICAL PHYSICS,139(14),144308.
MLA	Zhao, XM,et al."Phase transformations and vibrational properties of coronene under pressure".JOURNAL OF CHEMICAL PHYSICS 139.14(2013):144308.