Investigation of the Local Temperature Increase for Heat Assisted Magnetic Recording (HAMR)

IEEE Transactions on Magnetics

Volumn 50, Issue 4, 2014, Pages

  Xiong, Shaomin ^a   Bogy, David B ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Hard disk drives; Heat assisted magnetic recording (HAMR); Laser heating; Magnetic thermal decay

Indexed keywords

HARD DISK STORAGE; LASER HEATING; MAGNETIC RECORDING; MAGNETIC STORAGE; MAGNETISM;

3-D NUMERICAL MODELING; HARD DISK DRIVE; HEAT-ASSISTED MAGNETIC RECORDING; LOCAL TEMPERATURE; PERPENDICULAR MAGNETIC RECORDING MEDIA; TEMPERATURE INCREASE; THERMAL DECAYS; THERMALLY ACTIVATED;

MAGNETIC DISK STORAGE;

EID: 84942435102     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2013.2290760     Document Type: Article

References (14)

1. R. E. Rottmayer, S. Batra, D. Buechel, W. A. Challener, J. Hohlfeld, Y. Kubota, et al., "Heat-assisted magnetic recording," IEEE Trans. Magn., vol. 42, no. 10, pp. 2417-2421, Oct. 2006.
2. W. A. Challener, P. Chubing, A. V. Itagi, D. Karns, P. Wei, P. Yingguo, et al., "Heat-assisted magnetic recording by a near-field transducer with efficient optical energy transfer," Nature Photon., vol. 3, no. 4, pp. 220-224, Mar. 2009.
3. J.-U. Thiele, K. R. Coffey, M. F. Toney, J. A. Hedstrom, A. J. Kellock, "Temperature dependent magnetic properties of highly chemically ordered Fe55?x Nix Pt45L10 films," J. Appl. Phys., vol. 91, no. 10, pp. 6595-6600, May 2002.
4. S. Batra, J. Hannay, H. Zhou, J. Goldberg, "Investigations of perpendicular write head design for 1 Tb/in2," IEEE Trans. Magn., vol. 40, no. 1, pp. 319-325, Feb. 2004.
5. M. H. Kryder, E. C. Gage, T. W. McDaniel, W. A. Challener, R. E. Rottmayer, J. Ganping, et al., "Heat assisted magnetic recording," Proc. IEEE, vol. 96, no. 11, pp. 1810-1835, Nov. 2008.
6. N. Tagawa, H. Tani, K. Ueda, "Experimental investigation of local temperature increase in disk surfaces of hard disk drives due to laser heating during thermally assisted magnetic recording," Tribol. Lett., vol. 44, no. 1, pp. 81-87, Oct. 2011.
7. S. Lee, S. Niazi, C.-D. Yeo, "The change in surface properties of magnetic recording media under pulsed laser application," Tribol. Lett., vol. 47, no. 1, pp. 57-65, Jul. 2012.
8. P. M. Jones, J. Ahner, C. L. Platt, H. Tang, J. Hohlfeld, "Carbon overcoat loss from the surface of a heat assisted magnetic storage disk due to laser irradiation," in Proc. ASME Conf. Inf. Storage Process. Syst., 2013, pp. V001T01A028-V001T01A028.
9. N. Yamada, E. Ohno, K. Nishiuchi, N. Akahira, M. Takao, "Rapid-phase transitions of GeTe-Sb2Te3 pseudobinary amorphous thin films for an optical disk memory," J. Appl. Phys., vol. 69, no. 5, pp. 2849-2856, Mar. 1991.
10. M. C. Thurber, F. Grisch, R. K. Hanson, "Temperature imaging with single-and dual-wavelength acetone planar laser-induced fluorescence," Opt. Lett., vol. 22, no. 4, pp. 251-253 Feb. 1997.
11. B. R. Knight, J. A. Bain, T. E. Schlesinger, "Magnetic decay at elevated temperature relevant to heat-assisted magnetic recording," IEEE Trans. Magn., vol. 45, no. 2, pp. 883-888, Feb. 2009.
12. A. Lyberatos and J. Hohlfeld, "Model of thermal erasure in neighboring tracks during thermomagnetic writing," J. Appl. Phys., vol. 95, no. 4, pp. 1949-1957, Feb. 2004.
13. A. Lyberatos and K. Y. Guslienko, "Thermal stability of the magnetization following thermomagnetic writing in perpendicular media," J. Appl. Phys., vol. 94, no. 2, pp. 1119-1129, Jul. 2003.
14. S. Xiong and D. B. Bogy, "Experimental study of head-disk interface in heat assisted magnetic recording (HAMR)," IEEE Trans. Magn., vol. 50, no. 3, doi: 10.1109/TMAG.2013.2287696.