Pressure dependence of the electron density in solid iodine by the maximum-entropy method
Pressure dependence of the electron density in solid iodine by the maximum-entropy method
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DOI：
10.1080/08957959608201419
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发表时间：
1996
影响因子：
2
通讯作者：
H. Fujihisa;Y. Fujii;K. Takemura;O. Shimomura;R. Nelmes;M. McMahon
中科院分区：
文献类型：
--
作者：
H. Fujihisa;Y. Fujii;K. Takemura;O. Shimomura;R. Nelmes;M. McMahon
Abstract A direct observation of the electron density of solid iodine has been attempted in order to study the electron-density delocalization process due to pressure-induced metallization. A high-accuracy x-ray powder diffraction measurement was carried out with a diamond anvil cell and an imaging plate on a synchrotron-radiation source. The maximum entropy method was employed to analyze the data and to obtain electron-density maps under pressures up to 20 GPa. The electron density between adjacent iodine molecules has been shown to gradually increase with increasing pressure; also, a two-dimensional network is formed at a density level of 0.2 e/A3 at around 16 GPa.
