Cooling rate effects on structure and thermodynamics of amorphous nanoparticles

Vo Van Hoang; T. Odagaki; M. Engel

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Cooling rate effects on structure and thermodynamics of amorphous nanoparticles

机译：冷却速率对非晶态纳米颗粒结构和热力学的影响

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Cooling rate effects on structure and thermodynamics of amorphous nanoparticles were studied in a spherical model using Molecular Dynamics (MD) method. The good equilibrium melts are cooling down by three different cooling rates in order to observe the cooling rate effects. We find that cooling rate effects on thermodynamic quantities such as potential energy and surface energy are more pronounced than those for static quantities. Microstructure of amorphous nanoparticles is analyzed via radial distribution function (RDF) and coordination number distributions. Relatively weak cooling rate effects on such quantities are found. Microstructure of surface and core of amorphous nanoparticles are analyzed.

机译：使用分子动力学（MD）方法在球形模型中研究了冷却速率对非晶态纳米颗粒结构和热力学的影响。良好的平衡熔体通过三种不同的冷却速率冷却下来，以观察冷却速率的影响。我们发现，冷却速率对热力学量（例如势能和表面能）的影响比静态量的影响更为明显。通过径向分布函数（RDF）和配位数分布分析非晶态纳米颗粒的微观结构。发现冷却速度对这种量的影响相对较弱。分析了无定形纳米粒子的表面和核心的微观结构。

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来源
《Applied Surface Science》 |2008年第23期|p.7531-7534|共4页
作者
Vo Van Hoang; T. Odagaki; M. Engel;
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作者单位

Department of Physics, Institute of Technology, National University of HochiMinh City, 268 Ly Thuong Kiet Street, District 10, HochiMinh City, Viet Nam;

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正文语种 eng
中图分类应用物理学;
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cooling rate effects; amorphous nanoparticles; surface energy; glass transition;

机译：冷却速率效应;非晶纳米粒子;表面能;玻璃化转变;

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1. Cooling-rate effects in simple monatomic amorphous nanoparticles [J] . Van Hoang V, Odagaki T Philosophical magazine: structure and properties of condensed matter . 2008,第10期

机译：简单单原子无定形纳米粒子的冷却速率效应
2. Local Atomic Structures of Amorphous Nd{sub}4.5Fe{sub}77B{sub}18.5 Alloys Formed under Different Cooling Rates and Their Relations to the Structures in the Early Stage of Crystallization [J] . Takeshi Hanada, Tatsuaki Sakamoto, Tadakatsu Ohkubo, Materials transactions . 2003,第10期

机译：Nd {sub} 4.5Fe {sub} 77B {sub} 18.5非晶态合金在不同冷却速率下形成的局部原子结构及其与早期结晶结构的关系
3. Cooling rate effects on structure of amorphous graphene [J] . Vo Van Hoang Physica, B. Condensed Matter . 2015,第Null期

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4. The effects of a high magnetic field on microstructure, grain boundary structures and texture in a medium carbon steel under different cooling rates [C] . Y. D. Zhang, G. Vincent, C. S. He, International Conference on Textures of Materials(ICOTOM 14) pt.2; 20050711-15; Leuven(BE) . 2005

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5. On the thermodynamic stability and microstructure of variably cooled and co-doped yttria-stabilized zirconia for application to thermal barrier coatings. [D] . Petitjean, Jules E. 2009

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6. Efficiently-cooled plasmonic amorphous silicon solar cells integrated with a nano-coated heat-pipe plate [O] . Yinan Zhang, Yanping Du, Clifford Shum, -1

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7. Frequency-dependent bifurcation point between field-cooled and zero-field-cooled dielectric constant of LiTaO3 nanoparticles embedded in amorphous SiO2 [O] . Kohiki Shigemi, Kawakami Shintaro, Nogami Shinichiro, 2004

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8. Cooling Rate Dependent Structure of Amorphous (Au/sub X/Cu/sub 1-X/) sub 91 La sub 9 [R] . Atzmon, M., Johnson, W. L. 1982

机译：非晶（au / sub X / Cu / sub 1-X /）sub 91 La sub 9的冷却速率依赖结构

Cooling rate effects on structure and thermodynamics of amorphous nanoparticles

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