Self-assembled monolayers as lubricants for magnetic disk drives

IEEE Transactions on Magnetics

Volumn 41, Issue 2, 2005, Pages 599-603

  Choi, Junho ^a   Kato, Takahisa ^b  

^a NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY AIST   (Japan)

^b NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY AIST   (Japan)

Author keywords

Amorphous carbon film; Hydrocarbon film; Perfluoropolyethers; Self assembled monolayers (SAMs); Vapor deposition

Indexed keywords

ADSORPTION; AMORPHOUS FILMS; HYDROCARBONS; LUBRICANTS; MAGNETIC DISK STORAGE; MAGNETIC RECORDING; SELF ASSEMBLY; TRIBOLOGY; VAPOR DEPOSITION;

AMORPHOUS CARBON FILMS; HYDROCARBON FILMS; PERFLUOROPOLYETHERS (PFPE); VACUUM VAPOR DEPOSITION;

MONOLAYERS;

EID: 14544306909     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2004.838065     Document Type: Article

References (26)

1. A. M. Homola, "Lubrication issues in magnetic disk storage devices," IEEE Trans. Magn., vol. 32, no. 4, pp. 1812-1818, Jul. 1996.
2. G. W. Tyndall, P. B. Leezenberg, R. J. Waltman, and J. Castenada, "Interfacial interactions of perfluoropolyether lubricants with magnetic recording media," Tribol. Lett., vol. 4, pp. 103-108, 1998.
3. R. J. Waltman, A. Khurshudov, and G. W. Tyndall, "Autophobic dewetting of perfluoropolyether films on amorphous-nitrogenated carbon surfaces," Tribol. Lett., vol. 12, pp. 163-169, 2002.
4. J. Choi, M. Kawaguchi, and T. Kato, "Self-assembled monolayers formation on the magnetic hard disk surface and friction measurements," J. Appl. Phys., vol. 91, pp. 7574-7576, 2002.
5. A. Khurshudov and R. J. Waltman, "Tribology challenges of modern magnetic hard disk drives," Wear, vol. 251, pp. 1124-1132, 2001.
6. A. Ulman, An Introduction to Ultrathin Organic Films: From Langmuir-Blodgett to Self-Assembly. San Diego, CA: Academic, 1991.
7. J. Ruhe, V. J. Novotny, K. K. Kanazawa, T. Clarke, and G. B. Street, "Structural and tribological properties if ultrathin alkylsilane films chemisorbed to solid surfaces," Langmuir, vol. 9, pp. 2383-2388, 1993.
8. J. Choi, T. Ishida, T. Kato, and S. Fujisawa, "Self-assembled monolayer on diamond-like carbon surface: formation and friction measurements," Tribol. Int., vol. 36, pp. 285-290, 2003.
9. J. Choi and T. Kato, "Development of the mixed nanolubricant system by FDTS islands and PFPE mobile phase," IEEE Trans. Magn., vol. 39, no. 5, pp. 2444-2446, Sep. 2003.
10. P. H. Kasai, "Carbon overcoat: structure and bonding of Z-DOL," in Proc. ITC Nagasaki, Tribochemistry Tsukuba, 2000, pp. 63-68.
11. M. Yanagisawa, "Adsorption of perfluoro-polyethers on carbon surfaces," STLE Tribol. Mech. Magn. Storage Syst., vol. 9, pp. 25-32, 1994.
12. 2 O with amorphous carbon films," Langmuir, vol. 16, pp. 6562-6568, 2000.
13. J. Choi, M. Kawaguchi, and T. Kato, "Possibility of organic monolayer films as lubricants for disk drives: comparative study of PFPE and organosilane," ASME Trans. J. Tribol., vol. 125, pp. 850-853, 2003.
14. C. D. Bain, J. Evall, and G. M. Whitesides, "Formation of monolayers by the coadsorption of thiols on gold: variation in the head group, tail group, and solvent," J. Amer. Chem. Soc., vol. 111, pp. 7155-7164, 1989.
15. A. Takahara, K. Kojio, S. R. Ge, and T. Kajiyama, "Scanning force microscopic studies of surface structure and protein adsorption behavior of organosilane monolayers," J. Vac. Sci. Technol., vol. A14, pp. 1747-1754, 1996.
16. R. H. Wang, R. L. White, S. W. Meeks, B. G. Min, A. Kellock, A. Homola, and D. Yoon, "The interaction of perfluoro-polyether lubricant with hydrogenated carbon," IEEE Trans. Magn., vol. 32, no. 6, pp. 3777-3779, Nov. 1996.
17. B. Bhushan and Z. Zhao, "Friction/stiction and wear studies of magnetic thin film disks with two polar perfluoropolyether lubricants," IEEE Trans. Magn., vol. 33, no. 2, pp. 918-925, Mar. 1997.
18. Y. Nishida, Y. Nishida, M. Kikkawa, and H. Kondo, "Behavior of lubricant migration in particulate magnetic recording media," IEEE Trans. Magn., vol. 35, no. 5, pp. 2451-2453, Sep. 1999.
19. K. C. Eapen, S. T. Patton, and J. S. Zabinski, "Lubrication of microelectromechanical systems (MEMS) using bound and mobile phases of Fomblin Zdol," Tribol. Lett., vol. 12, pp. 35-41, 2002.
20. M. Kawaguchi, J. Choi, T. Kato, and K. Tanaka, "A study of friction properties of Zdol on magnetic disk surface," IEEE Trans. Magn., vol. 39, no. 5, pp. 2483-2485, Sep. 2003.
21. J. Choi, M. Kawaguchi, and T. Kato, "The surface coverage effect on the frictional properties of patterned PFPE nanolubricant films in HDI," IEEE Trans. Magn., vol. 39, no. 5, pp. 2492-2494, Sep. 2003.
22. _, "Nanoscale lubricant with strongly bonded phase and mobile phase," Tribol. Lett., vol. 15, pp. 353-358, 2003.
23. _, "Spreading of perfluoropolyethers on FDTS-coated amorphous carbon surfaces," IEEE Trans. Magn., to be published.
24. G. W. Tyndall, T. E. Karis, and M. S. John, "Spreading profiles of molecularly thin perfluoropolyether films," STLE Tribol. Trans., vol. 42, pp. 463-470, 1999.
25. X. Ma, H. Tang, and J. Gui, "Temperature effect on spreading of perfluoropolyethers on amorphous carbon films," Tribol. Lett., vol. 10, pp. 203-209, 2001.
26. J. Choi, H. Morishita, and T. Kato, "Frictional properties of bilayered mixed lubricant films on an amorphous carbon surface: effect of alkyl chain length and SAM/PFPE portion," Appl. Surf. Sci., vol. 228, pp. 191-200, 2004.