The dynamic behavior of ultrathin lubricant films

被引：26
|
作者：
Hsia, YT
Guo, Q
Izumisawa, S
Jhon, MS
机构：
[1] Carnegie Mellon Univ, Dept Chem Engn, Pittsburgh, PA 15213 USA
[2] Carnegie Mellon Univ, Ctr Data Storage Syst, Pittsburgh, PA 15213 USA
[3] Seagate Technol, Seagate Res Ctr, Pittsburgh, PA 15222 USA
来源：
MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS | 2005年 / 11卷 / 8-10期
关键词：
bead-spring model; molecular dynamics; spreading; self-diffusion coefficient; polydispersity; perfluoropolyether;
D O I：
10.1007/s00542-005-0566-9
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Molecular dynamics simulations with the Langevin equation using a coarse-grained, bead-spring model were performed to investigate the dynamic properties of nanoscale lubricant films. The simulated spreading profiles of lubricant nanofilms are in qualitative agreement with previous experimental results. The Einstein's relationship and Green-Kubo formula provide alternative perspectives for describing the diffusive phenomena of lubricant nanofilms. The effects of molecular weights and their distribution, temperature, and film thickness were examined.
引用
收藏
页码：881 / 886
页数：6
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