TOF-SIMS characterization of lubricants used in magnetic recording media

被引：3
作者：
Zhang, BC [1 ]
Liu, HK [1 ]
Chang, S [1 ]
机构：
[1] Seagate Technol, Recording Media Grp, Fremont, CA 94539 USA
来源：
APPLIED SURFACE SCIENCE | 2004年 / 231卷
关键词：
TOF-SIMS; lubricant; Z-DOL; Z-TETRAOL AM3001; X-1P; molecular weight;
D O I：
10.1016/j.apsusc.2004.03.085
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this study, TOF-SIMS was used to characterize lubricants used in magnetic recording media. Films of lubricants, perfluoropolyether (PFPE) Fomblin Z-DOL, Z-TETRAOL, AM3001, and cyclo triphosphazene X-1P were deposited on carbon overcoats of the magnetic disks from solutions. TOF-SIMS results showed that each thin film lubricant produces characteristic ions that are closely related to its chemical structure. Ratios of characteristic ions from the Z-DOL and carbon overcoat can be used to monitor the thickness and molecular weights of the lubricant. Molecular or molecule related ions have been observed for Z-DOL and X-1P. It was also found that the average mass of molecular ions correlates very well with the number average molecular weight determined by nuclear magnetic resonance (NMR) for Z-DOL. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：336 / 341
页数：6
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