期刊
PHYSICA B-CONDENSED MATTER
卷 315, 期 1-3, 页码 210-214出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0921-4526(01)01100-0
关键词
nanocrystal; high pressure; phase transitions; selenium
Using diamond anvil cell technique, energy-dispersive X-ray diffraction and Raman spectroscopy were employed to study pressure induced phase transitions in nanocrystalline selenium up to 30 GPa. A complex phase transition behavior was observed, with lower transition pressure and more phase transitions than in conventional coarse-grained Se. This is considered a new kind of pressure induced phase transition behavior for a nanocrystalline material. (C) 2002 Elsevier Science B.V. All rights reserved.
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