Full-Text Search:
Home|Journal Papers|About CNKI|User Service|FAQ|Contact Us|中文
《Micronanoelectronic Technology》 2008-05
Add to Favorite Get Latest Update

Study on Thermal Properties of Nanofilms Based on Lattice Dynamics

Li Shengyi,Huang Jianping(School of Mechatronics and automation,National University of Defence Technology,Changsha 410073,China)  
To overcome the drawbacks of molecular dynamics simulation,a new approach based on lattice dynamics to simulate the thermal properties of nanofilms was put forward,and was applied to simulate the thermal property parameters,such as the specific heat capacities,melting temperatures,thermal expansion coefficients and thermal conductivities of silicon and argon nanofilms with different thicknesses.The calculating results show that nanofilms have different thermal properties from the corresponding bulk crystal and appear thickness size effects on thermal properties.The thinner nanofilm has lower melting point,larger specific heat capacity,larger thermal expansion coefficient in the in-plane direction and smaller thermal conductivity in the cross-plane direction than the thicker film,and the thermal conductivity of nanofilm in the cross-plane direction is in direct proportion to the thickness of nanofilm when the thickness of nanofilm is much smaller than the phonon mean free path of the corresponding bulk crystal.
【Fund】: 国家自然科学基金资助项目(5375154)
【CateGory Index】: TB383.2
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
【Citations】
Chinese Journal Full-text Database 2 Hits
1 TANGZhen-an~*,DINGHai-tao,HUANGZheng-xing,XUZi-qiang,LIXin( MST Cent., School of Electr. and Inf. Eng., Dalian Univ. of Technol., Dalian 116024, China );Molecular dynamics simulation of specific heat capacities of SiO_2 thin films[J];Journal of Dalian University of Technology;2005-03
2 Hu Mingyu~1 Chen Zhen~1 Yang Juekuan~1 Zhuang Ping~1 Zhu Jian~2 Chen Yunfei~(1,3) (~1Department of Mechanical Engineering,Southeast University,Nanjing 210096,China) (~2No.55 Research Institute, China Electronics Technology Group Corporation,Nanjing 210092, China) (~3Key Laboratory of Microelectromechanical Systems of Ministry of Education, Southeast University,Nanjing 210096,China);Experimental study on thermal conductivity of SiO_2 thin film[J];Journal of Southeast University (Natural Science Edition);2005-03
【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 ZENG Xiang-shen1,CUI Yun-xian2,ZHANG Zhi-jun3,SUN Bao-yuan1(1.School of Mechanical Engineering of Shenyang Ligong University,Shenyan 110168,PR China;2.School of Mechanical Engineering of Dalian Jiaotong University,Dalian 116028,PR China;3.Key Laboratory for Precision and Non-traditional Machining Technology of Ministry of Education,Dalian University of Technology,Dalian 116024,PR China);The Theoretical Calculation of Dynamic Characteristics of A New Thin-Film Cutting-Temperature Sensor[J];Journal of Dalian Jiaotong University;2007-02
2 LU Xiao (Department of Physics and Electronic Science, Guangxi Normal University, Guilin, Guangxi, 541004, China);One-dimensional Lippmann Schwinger equation and its applications[J];College Physics;2001-02
3 ZHANG Xing-hui(Department of Applied Physics, Southwest Jiaotong University, Chengdu 610031, China);Several representative examples of images and motivations drown by Matlab in teaching of college physics[J];College Physics;2004-09
4 He Jinsong(Department of Physics,Sichuan Normal University,Chengdu,China,610066 );THE SCOND ORDER PERTURBATION FORMULA WHEN DEGENERACY IS NOT REMOVED COMPLETELY[J];COLLEGE PHYSICS;1994-03
5 Zhu Weixi;The Disscussion of Wave Function Standard Condition[J];Journal of Fuling Teachers College;2000-04
6 Feng Lifeng(Harbin Normal University,Northeast Normal University) Wang Zhoufei(Northeast Normal University);DISCUSSION ON WHICH WAVE FUNCTION SATISFIED THE SINGLE VALUED CHARACTER[J];Natural Science Journal of Harbin Normal University;2006-05
7 Li Xiulin(Department of Physics);COMPLEMENTARITY PRINCIPLE AND PHYSICAL MEANING OF PRINCIPLE OF SUPERPOSITION[J];Journal of Hangzhou Teachers College;1994-03
8 Chen Guangwen(Department of Technical Physics,Harbin University of Science and Technology, Harbin,150080)Zhao Guoquan(Department of Physics,Jilin University, Changchun,130023);The Diagonalizing Condition of the Secular Equation of the Stationary State Perturbation at Subspaec[J];ACTA SCIENTIARIUM NATURALIUM UNIVERSITATIS JILINENSIS;1995-02
9 Huang Tingji (Department of Physics, Kunming, Junior Normal college, Kunming, 650031);Bottom of Science Method Trees Phydics[J];;1995-S1
10 ZHU Yu-xia(Jiangsu Food Technical College, Huai'an 223001, China);Continuity on First Derivative of Wave Function[J];JOURNAL OF LIANYUNGANG TECHNICAL COLLEGE;2002-04
【Secondary Citations】
Chinese Journal Full-text Database 1 Hits
1 Guo Zengyuan (Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China);FRONTIER OF HEAT TRANSFER──MICROSCALE HEAT TRANSFER[J];ADVANCES IN MECHANICS;2000-01
©2006 Tsinghua Tongfang Knowledge Network Technology Co., Ltd.(Beijing)(TTKN) All rights reserved