Thermal conductivity of regularly spaced a morphous/crystalline silicon superlattices. A molecular dynamics study

机译：规则间隔的非晶/晶体硅超晶格的热导率。分子动力学研究

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The thermal transport in amorphous/crystalline silicon superlattices with means of molecular dynamics is presented in the current study. The procedure used to build such structures is discussed. Then, thermal conductivity of various samples is studied as a function of the periodicity of regular superlattices and of the applied temperature. Preliminarily results show that for regular amorphous/crystalline superlattices, the amorphous regions control the heat transfer within the structures. Secondly, in the studied cases thermal conductivity weakly varies with the temperature. This, points out the presence of a majority of non-propagating vibrational modes in such systems.

机译：当前研究中介绍了利用分子动力学手段在非晶/晶体硅超晶格中的热传递。讨论了用于构建此类结构的过程。然后，研究各种样品的导热系数，它们是规则超晶格的周期性和所施加温度的函数。初步结果表明，对于规则的非晶/晶体超晶格，非晶区控制结构内的热传递。其次，在所研究的情况下，热导率随温度变化很小。这指出了这种系统中大多数非传播振动模式的存在。

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《Nanoscale thermoelectric materials: Thermal and electrical transport, and applications to solid-state cooling and power generation》|2013年|71-79|共9页
会议地点 San Francisco CA(US)
作者
Konstantinos TERMENTZIDIS; Arthur FRANCE-LANORD; Etienne BLANDRE; Tristan ALBARET; Samy MERABIA; Valentin JEAN; David LACROIX;
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Universite de Lorraine, LEMTA, CNRS UMR 7563, BP 70239, Vandoeuvre les Nancy cedex,France;

Universite de Lorraine, LEMTA, CNRS UMR 7563, BP 70239, Vandoeuvre les Nancy cedex,France;

Universite de Lorraine, LEMTA, CNRS UMR 7563, BP 70239, Vandoeuvre les Nancy cedex,France;

Universite de Lyon-1, ILM, CNRS UMR 5306, Batiment Kastler, 10 rue Ada Byron, 69622 Villeurbanne, France;

Universite de Lyon-1, ILM, CNRS UMR 5306, Batiment Kastler, 10 rue Ada Byron, 69622 Villeurbanne, France;

Universite de Lorraine, LEMTA, CNRS UMR 7563, BP 70239, Vandoeuvre les Nancy cedex,France;

Universite de Lorraine, LEMTA, CNRS UMR 7563, BP 70239, Vandoeuvre les Nancy cedex,France;

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2. Effects of vacancy defects on thermal conductivity in crystalline silicon: A nonequilibrium molecular dynamics study [J] . Yongjin Lee, Sangheon Lee, Gyeong S. Hwang Physical review . 2011,第12期

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3. Scaling laws for thermal conductivity of crystalline nanoporous silicon based on molecular dynamics simulations [J] . Jin Fang, Laurent Pilon Journal of Applied Physics . 2011,第6期

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4. Thermal conductivity of regularly spaced amorphous/crystalline silicon superlattices. A molecular dynamics study [C] . Konstantinos TERMENTZIDIS, Arthur FRANCE-LANORD, Etienne BLANDRE, Materials Research Society Spring Meeting . 2013

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7. Tuning thermal conductivity of nanoporous crystalline silicon by surface passivation: A molecular dynamics study [O] . Jin Fang, Laurent Pilon 2012

机译：表面钝化调节纳米多孔晶体硅的热导率：分子动力学研究

Thermal conductivity of regularly spaced a morphous/crystalline silicon superlattices. A molecular dynamics study

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