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Pressure-induced phase transition in BaTiO(3) nanocrystals
Li, FY; Jin, CQ; You, SJ; Xiao, CJ; Yu, RC; Wang, XH; Liu, J; Li, XD; Li, YC; Chen, LC; Liu J(刘景); Li XD(李晓东); Li YC(李延春)
2006
发表期刊CHINESE PHYSICS LETTERS
卷号23期号:5页码:1249-1252
通讯作者Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China ; Tsinghua Univ, Dept Mat, Beijing 100084, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
摘要The crystal structure and electric properties of BaTiO(3) nanocrystals are studied by in situ high-pressure synchrotron radiation x-ray powder diffraction. The phase transition takes place not only in the samples of BaTiO(3) 14 nanocrystals that are tetragonal phase with grain sizes more than 100 nm, but also in the samples of BaTiO(3) nanocrystals that are cubic phase with grain sizes less than 100 nm. The pressures of phase transition are found to increase with decrease of the grain size from about 4 to 10 GPa, for crystallites ranging from 200 to 10,nm in radius. The bulk moduli are calculated according to Birch-Murnaghan state equation before and after the phase transition.
文章类型Article
学科领域Physics
研究领域[WOS]Physics
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语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000237551700051
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239224
专题多学科研究中心
计算中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Li, FY,Jin, CQ,You, SJ,et al. Pressure-induced phase transition in BaTiO(3) nanocrystals[J]. CHINESE PHYSICS LETTERS,2006,23(5):1249-1252.
APA Li, FY.,Jin, CQ.,You, SJ.,Xiao, CJ.,Yu, RC.,...&李延春.(2006).Pressure-induced phase transition in BaTiO(3) nanocrystals.CHINESE PHYSICS LETTERS,23(5),1249-1252.
MLA Li, FY,et al."Pressure-induced phase transition in BaTiO(3) nanocrystals".CHINESE PHYSICS LETTERS 23.5(2006):1249-1252.
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