中文版 | English
Title

The Study on Thermal Conductivities of Thin Films of Diamond-like Carbon by Molecular Dynamics Simulation

Author
Corresponding AuthorYu, Peng
Publication Years
2022-05
Source Title
ISSN
0253-231X
Volume43Pages:1385-1392
Abstract
It is very important to investigate the thermal properties of thin films of diamond-like carbon (DLC) to accurately develop heat transfer model of the multi-layered structure of hard disk driver (HDD) under heat-assisted magnetic recording (HAMR) condition. The present study develops the models of DLC thin films and predicts their out-of-plane thermal conductivities by the molecular dynamics simulations. Particularly, the DLC models with different densities are obtained by the quenching process with an improved Tersoff potential with extended cutoff. The trend for the variation of DLC density with the sp3 content is consistent with those reported in the literature. The out-of-plane thermal conductivities of diamond and DLC thin films are calculated by the non-equilibrium molecular dynamics simulations. The former increases with the effective thermal conduction length while decreases with rising temperature in the range of 300 K and 700 K, which agrees well with those reported in the previous studies. The latter increases with the effective conduction length and the sp3 content. The present study provides fundamental information to develop the heat transfer model of the multi-layered structure of HDD under HAMR condition.
© 2022, Science Press. All right reserved.
Indexed By
Language
Chinese
SUSTech Authorship
First ; Corresponding
Publisher
EI Accession Number
20222212178767
EI Keywords
Carbon films ; Diamond like carbon films ; Diamonds ; Hard disk storage ; Heat transfer ; Magnetic recording ; Thermal conductivity ; Thin films
ESI Classification Code
Gems:482.2.1 ; Thermodynamics:641.1 ; Heat Transfer:641.2 ; Data Storage, Equipment and Techniques:722.1 ; Physical Chemistry:801.4 ; Inorganic Compounds:804.2 ; Coating Materials:813.2
Data Source
EV Compendex
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/411709
DepartmentDepartment of Mechanics and Aerospace Engineering
Affiliation
Southern University of Science and Technology Department of Mechanics and Aerospace Engineering, Shenzhen; 518055, China
First Author AffilicationDepartment of Mechanics and Aerospace Engineering
Corresponding Author AffilicationDepartment of Mechanics and Aerospace Engineering
First Author's First AffilicationDepartment of Mechanics and Aerospace Engineering
Recommended Citation
GB/T 7714
Zhu, Annan,Liu, Yaguang,Yu, Peng. The Study on Thermal Conductivities of Thin Films of Diamond-like Carbon by Molecular Dynamics Simulation[J]. 工程热物理学报,2022,43:1385-1392.
APA
Zhu, Annan,Liu, Yaguang,&Yu, Peng.(2022).The Study on Thermal Conductivities of Thin Films of Diamond-like Carbon by Molecular Dynamics Simulation.工程热物理学报,43,1385-1392.
MLA
Zhu, Annan,et al."The Study on Thermal Conductivities of Thin Films of Diamond-like Carbon by Molecular Dynamics Simulation".工程热物理学报 43(2022):1385-1392.
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