ITP OpenIR  > 理论物理所2016年知识产出
The influence of surface boundary conditions on the phonon contribution to the melting temperature of nanoparticles
Xu, YY; Kang, K; Qin, SJ; Xu, YY (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
2016
发表期刊PHYSICA B-CONDENSED MATTER
卷号481页码:133-136
文章类型Article
摘要The phonon thermal contribution to the melting temperature of nano-particles is inspected. Unlike in periodic boundary condition, under a general boundary condition the integration volume of low energy phonon for a nano-particle is more complex. We estimate the size-dependent melting temperature through the phase shift of the low energy phonon mode acquired by its scattering on boundary surface. A nano-particle can have either a rising or a decreasing melting temperature due to the boundary condition effect, and we found that an upper melting temperature bound exists for a nano-particle in various environments. Moreover, the melting temperature under a fixed boundary condition sets this upper bound. (C) 2015 Elsevier B.V. All rights reserved.
关键词Melting Temperature Nano-particle Surface Boundary Condition Upper Bound
学科领域Physics
资助者[NNSF1121403] ; [NNSF1121403] ; [NNSF1121403] ; [NNSF1121403]
DOIhttp://dx.doi.org/10.1016/j.physb.2015.11.003
关键词[WOS]NANOCRYSTALS ; SIMULATION ; MATRIX ; PARTICLES
收录类别SCI
语种英语
资助者[NNSF1121403] ; [NNSF1121403] ; [NNSF1121403] ; [NNSF1121403]
WOS类目Physics, Condensed Matter
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21803
专题理论物理所2016年知识产出
通讯作者Xu, YY (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
推荐引用方式
GB/T 7714
Xu, YY,Kang, K,Qin, SJ,et al. The influence of surface boundary conditions on the phonon contribution to the melting temperature of nanoparticles[J]. PHYSICA B-CONDENSED MATTER,2016,481:133-136.
APA Xu, YY,Kang, K,Qin, SJ,&Xu, YY .(2016).The influence of surface boundary conditions on the phonon contribution to the melting temperature of nanoparticles.PHYSICA B-CONDENSED MATTER,481,133-136.
MLA Xu, YY,et al."The influence of surface boundary conditions on the phonon contribution to the melting temperature of nanoparticles".PHYSICA B-CONDENSED MATTER 481(2016):133-136.
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