Models of size-dependent nanoparticle melting tested on gold

被引：60
|
作者：
Guenther, Gerrit [1 ,2 ]
Guillon, Olivier [2 ]
机构：
[1] Tech Univ Darmstadt, Inst Mat Sci, D-64287 Darmstadt, Germany
[2] Univ Jena, Otto Schott Inst Mat Res, D-07743 Jena, Germany
来源：
JOURNAL OF MATERIALS SCIENCE | 2014年 / 49卷 / 23期
关键词：
THERMAL-STABILITY; PHASE-TRANSITIONS; POINT DEPRESSION; COHESIVE ENERGY; BOND-LENGTH; LIQUID; PARTICLES; TEMPERATURE; GRAPHITE; AU;
D O I：
10.1007/s10853-014-8544-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Models of melting taking into account the finite material size (as for example the diameter of a spherical nanoparticle) lead to a melting point depression compared to the bulk. Selected approaches are presented in this review and compared to available experimental data on gold. Their sensitivity to thermodynamic parameters such as molar volume, surface energy, and enthalpy of melting is highlighted. Within the given accuracy all models describing the non-surface-melting case seem to be valid for gold. In such cases, the simplest solution should be preferred.
引用
收藏
页码：7915 / 7932
页数：18
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