Thermal diffusivity in diamond, SiCxNy and BCxNy

被引:7
作者
Chattopadhyay, S [1 ]
Chien, SC
Chen, LC
Chen, KH
Lee, HY
机构
[1] Natl Taiwan Univ, Ctr Condensed Matter Sci, Taipei 106, Taiwan
[2] Acad Sinica, Inst Atom & Mol Sci, Taipei 106, Taiwan
[3] Synchrotron Radiat Res Ctr, Div Res, Hsinchu, Taiwan
关键词
thermal conductivity; microstructure; photoelectron spectroscopy; physical vapour deposition;
D O I
10.1016/S0925-9635(01)00606-9
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Thermal diffusivity (alpha) of free standing diamond, amorphous silicon carbon nitride (a-SiCxNy) and boron carbon nitride (a-BCxNy) thin Films on crystalline silicon, has been studied using the travelling wave technique. Thermal diffusivity in all of them was found to depend on the microstructure. For a-SiCxNy and a-BCxNy thin films two distinct regimes of high and low carbon contents were observed in which the microstructure changed considerably and that has a profound effect on the thermal diffusivity. The defective C(sp)-N phase plays a key role in determining the film properties. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:708 / 713
页数:6
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