Intergranular magnetic interaction in thin film recording media
- 1 к. ф.-м. н., ст. научн. сотр., Государственное научно-производственное объединение «Научно-практический центр НАН Беларуси по материаловедению»
- 2 научн. сотр., Государственное научно-производственное объединение «Научно-практический центр НАН Беларуси по материаловедению»
Keywords:
magnetic recording mediamagnetic intergranular magnetic interactionhysteretic parametersexploitation characteristicsrecording media thermal stability
Abstract
Intergranular magnetic interaction and its effect on hysteretic parameters and exploitation characteristics of longitudinal and perpendicular magnetic recording media is analized on the basis of the М curves and Henkel plot investigations, anomalous Hall effect study etc., as well as model calculations
How to cite
Шадров В.Г., Немцевич Л.В. Межзеренное магнитное взаимодействие в тонкопленочных средах магнитной записи // Успехи современной радиоэлектроники. 2010. № 8. С. 34–42.
References
- Skomski R. Nanomagnetics // J. Phys. F: Cond.Matter. 2003. V. 15. P. R 841-R896.
- Moser A., Takano K., Margulies D., et al. Magnetic recording:advancing into the future // J. Phys. D.:Appl.Phys. 2002. V. 35. P. R157-R167.
- Grundy P.I. Thin film magnetic recording media // J. Phys. D: Appl.Phys. 1998. V. 31. P. 2975.
- Battle X. and Labarta A. Finite-size effects in fine particles: magnetic and transport properties // J. Phys. D: Appl.Phys. 2002. V. 35. P. R15-R42.
- Majetech S.A. and Sachan V.Magnetostatic interactions in magnetic nanoparticle assemblies: energy, time and length scales // J. Phys. D: Appl. Phys. 2006. V. 39. P. R407-R422.
- Weller D. and Moser A. Thermal effect limits in ultrahigh-density magnetic recording // IEEE Trans.Magn. 1999. V. 35. P. 4423-4439.
- Piramanayagam S.N. Perpendicular recording media for hard disk drives // J. Appl. Phys. 2007. V. 102. P. 011301-1-22.
- Bedanta S. and Kleemann W. Supermagnetism // J. Phys. D.:Appl. Phys. 2009. V. 42. P. 013001.
- Шадров В.Г. Межкристаллитное магнитное взаимодействие и процессы перемагничивания в ТП-магнитных структурах. Минск: БГУ. 2006.
- Mayo P.I., Erkkila R.M. and Bradbury A. Interaction effects in longitu-dinal oriented and nonoriented barium hexaferrite tapes // IEEE Trans. Magn. 1990. V. 26. No. 5. P. 1894-1896.
- O-Grady K. and Chantrell R.W., Sanders I.L. Magnetic characterization of thin film recording media // IEEE Trans. on Magn. 1993. V. 29. No. 1. P.286-291.
- Henkel D.Remssnenzverhalten und wechselwirkungen in hartmagnetischen teilchenkollektinen // Phys. Stat. Sol. 1964. V. 7. P. 919-924.
- Spratt G.W.,Bissel P.R.,Chantrell R.W. and Wohlfarth E.P. Static and dynamicexperimental studiesof particulate recording media // J. Magn. Magn. Mater. 1988. V. 75. P. 309-318.
- Wohlfarth E.P. Relations between different modes of aquisition of the remanent magnetization of ferromagnetic particles // J. Appl. Phys. 1958. V. 29. P. 595-596.
- Pike C.R., Ross C.A.,Scalettar R.T. andZimanyi G. First-order reversal curve diagram analysis of a perpendicular nickel nanopillar array // Phys.Rev.2005.V. B.71.P.134407-1-12.
- Das.S. and Nakagawa S. Magnetic interaction among particles in CoCrTa and Cp/Pt multilayered media evaluated by anomalous Hall effect // J. Appl. Phys.2002.V. 91. No. 10.P. 7427-7429.
- Kuncser V.,Valeanu M.,Lifei F., et al. Local magnetic interactions in Fe/RE2Fe14B nanocomposite system // Phys.stat.sol. 2004.No. 12. P. 3503-3506.
- Tomita S.,Akamatsu K.,Shinkai H., et al. Tuning magnetic interactions in ferromagnetic-metal nanoparticle system // Phys.Rev. 2005. V. B71. P. 180414R-1-4.
- Cazottes S., Coisson M., Fridki A., et al. Influence of magnetic interactions on magnetic and magnetoresistive properties of Cu80 Fe10Ni10 ribbons // J. Appl. Phys.2009.V. 105.P. 093917.
- Mayo P.I., O-Grady K., Chantrell R.W., et al. Magnetic mesurements of interaction effects in ConIcR and CoPtCr thin film media //J. Magn. Magn. Mater. 1991. V. 95.P. 109-117.
- Chantrrell R.W. and O-Grady K. Magnetic characterization of recording media // J. Phys. D. 1992. V. 25. No. 1. P. 1-19.
- Okumura Y., Yasui M. and Akita T. Effect of CrNiP prelayer on magnetic properties of CoCrTa longitudinal media // IEEE Trans.Magn. 1997. V. 33. No. 5. P. 2974-2976.
- Ranjan R., Chang J., Yamashita T. and Chen T. Delta M, vertical component and media noise of NiP and Cr underlayer media for longitudinal recording // J. Appl. Phys. 1993. V. 73. No. 10. P. 5542-5544.
- Dova P., O-Grady K., Morales M.P. and Doerner M.F. Magnetization reversal in bicrystal media // J. Appl. Phys. 1997. V. 81. P. 3549-3551.
- Dova P., O-Grady K., Doerner M. and Mirzamaami M. Coupling and crys-tallographic effects in thin film cobalt alloy recording media // IEEE Trans. Magn. 1997. V. 33.No. 5.P. 2953-2955.
- Laidler H., Holloway L. and O-Grady K. Crystallographic defects in CoCrPt thin film media: effect on interactions and magnetic viscosity // J. Phys. D:Appl.Phys. 2002. V. 35. P. 512-519.
- Gao C., et al. Correlation of switching volume with magnetic properties, microstructure and media noise in CoCr(Pt)Ta thin film // J. Appl. Phys. 1997. V. 81. P. 3928-3930.
- Kisker H., et al. Micromagnetic behaviour and recording performance in high density 5 Gb in2CoCrPTa medium // J. Appl. Phys. 1997. V. 81. P. 3937-3940.
- Sonobe Y., Ikeda Y.andTagashira Y. Composite perpendicular medium consisting of CoCrPt with large Hk and CoCr with positive inter-particle interaction // IEEE Trans.Magn. 1999. V. 35. No. 5. P. 2769-2771.
- Robinson A. and Schwarzacher W. Magnetic interactions in Ni-Cu/Cu superlattice nanowire arrays // J. Appl. Phys. 2003. V. 93. No. 10.P. 7250-7251.
- Heydon G.P., Hoon S.R., Farley A.N., et al. Magnetic properties of electrodeposited nanowires // J. Phys. D: Appl.Phys. 1997.V. 37.P. 1083-1093.
- Skorjanec J., Close J., Kirchner M., et al. Magnetic interaction in CoCr thin films // J. Appl. Phys. 1993. V. 73. No. 10. P. 6671-6673.
- Wu X.W., Veerdonk R.I., Chantrell R.W. and Weller D. DM study of perpendicular recording media // J. Appl. Phys. 2003. V. 93. No. 10. P. 8760-8762.
- Newman D.M., Wears M.L., Jollie M. and Choo D. Fabrication and charac-terization of nano-particulate PtCo media for ultre-high density perpendicular magnetic recording // Nanotechnology 2007. V. 18. P. 205301-1-9.
- Doerner M.F., Tang K., Arnoldussen T., et al. Microstructure and thermal stability of advanced longitudinal media // IEEE Trans.Magn. 2000. V. 36.No. 1.P. 43-47.
- Li N. and Lairson B.W. Magnetic recording on FePt and FePtB intermetallic compaund media // IEEE Trans Magn.1999.V. 35.P. 1077-1082.
- Stavroyiannis S., Panagiotopoulos I., Niarchos D., et al. New CoPt/Ag films for high density recording media // J. Appl. Phys. 1999. V. 85.P. 4304-4307.
- Ross C.A., Ross F.M., BertetoG. and TangK. Microstructural evolution and thermal stability of thin CoCrTa/Cr films for longitudinal magnetic recording media // IEEE Trans. Magn.1998. V. 34. No. 1. Р. 282-292.
- Wood R. The feasibility of magnetic recording at 1 Terabit per square Inch // IEEE Trans.Magn. 2000. V. 36. No. 1. P. 36-42.
- Givord D. Magnetic materials:from the search of new phases to nanoscale engineering // Europhysics news 2003. No. 6. P. 219-222.
- Choe G.,Zhou J.N. and Weng R.,Johnson K.E.Recording characteristics and thermal stability comparisons between antiferromagnetically coupled and conventional media // J. Appl. Phys.2002.V. 91.No. 10.P. 7665-7670.
- Tang K., Doerner M., Xiao Q.-F., et al. Antiferromagnetically coupled media performance // J. Appl. Phys. 2003. V. 93. No. 10. P. 7402-7404.
- Uesaka Y.,Koizumi M. andTsumita N. Noise from underlayer of perpendicular magnetic recording media // J. Appl. Phys. 1985. V.57. P. 3925-3928.
- Desserre J.R. Crucial points in perpendicular recording // IEEE Trans. Magn. 1984. V. 20. P. 663-668.
- Fulerton E.E.,Margulies D.T.,Moser A. and Takano K. Advanced magnetic recording media for high-density data storage. Solid State Technol. 2002. V. 44. P. 87-92.
- Lohau J.,Moser A., Margulies D.T., et al. Dynamic coercivity measure-ments of antiferromagnetically coupled magnetic media layers // Appl. Phys. Lett. 2001. V. 78. P. 2748-2751.
- Margulies D.T., Schabes M.E., McChesney, et al. Interlayer coupling and magnetic reversal of antiferromagnetically coupled media //Appl. Phys.Lett. 2002. V. 80.P. 91-94.
- Schabes M.E.,Fulerton E.E. and Margulies D.T.Theory of antiferromag-netically coupled media //IEEE Trans.Magn., 2001. V. 37. P. 1432-1434.
- Wang J.P., Shan Z.S., Piramanayagam S.N. and Chong T.C. Anti-ferromag-netically coupling effects on energy barrier and reversal properties of recording media // IEEE Trans.Magn. 2001. V. 37. P. 1445-1448.
- Hee C.H., Wang J.P, Piramanayagam S.N. and Chong T.C. Thermal energy consideration in micromagnetic simulation for laminated antiferromag-netically coupled recording media // Appl. Phys. Lett. 2002. V. 79. P. 1646-1649.
- Pang S.I., Piramanayagam S.N. and Wang J.P. Advanced laminated antifer-romagnetically coupled recording media with high thermal stability // Appl. Phys. Lett. 2002. V. 80. P. 616-619.
- Piramanayagam S.N., Hee C.H. and Wang J.P.Role of the thermal energy on the magnetic properties of laminated antiferromagnetically coupled recording media // J. Appl. Phys. 2001. V. 90. P. 3442-3450.
- Honda Y., Tanahashi K., Hirayama Y., et al. Observation of magnetic interaction between the soft magnetic and the recording layers in double-layer perpendicular media // IEEE Trans.Magn. 2001. V. 37. P. 1315-1318.
- Das S., Kong S.-H. and Nakagawa S.Effect of intermediate layer at recording layer/soft magnetic underlayer interface in perpendicular recording media observed by ferromagnetic Hall effect // IEEE Trans.Magn. 2004. V. 40. P. 2464-2466.
- Ouchi K., Iwasaki S. Overview of latest work on perpendicular recording media // IEEE Trans. Magn. 2000. V. 36. No. 1. P. 16-22.
- Shimatsu T., Uwazami H., Sakai Y., et al. Thermal agitation of magnetization in CoCrPt perpendicular recording media // IEEE Trans. Magn. 2001. V. 37. P. 1567-1569.
- Zhu J.-G., Lin X., Guan L., et al. Recording, noise and servo characteristics of patterned thin film media // IEEE Trans.Magn. 2000. V. 36. P. 23-29.
- Wu L., Kita T., Honda N., et al. Laminated antiferromagnetically coupled recording media with high thermal stability // J. Magn. Magn. Mater. 1999. V. 193. P. 89-92.
- Piramanayagam S.N., Matsumoto M., Morisako A., et al. Сontroling the magnetization reversal mechanism in Co/Pd multilayers by underlayer processing // IEEE Trans. Magn. 1997. V. 33. P. 32473249.
- Bertero G.A., Wachenschwanz D., Malhotra S., et al. Optimization of granular double-layer perpendicular media // IEEE Trans. Magn. 2002. V. 38. P. 1627-1631.
- Shimatsu T., Sato H., Oikawa T., et al. CoPtCr-SiO2 perpendicular media for high density recording with a high order magnetic anisotropy energy term // IEEE Trans.Magn. 2005. V. 41. P. 3175-3177.
- Inaba Y., Shimatsu T., Oikawa T., et al. Optimization of the SiO2content in CoPtCr-SiO2 perpendicular recording media for high density recording // IEEE Trans.Magn. 2004. V. 40. P. 2486-2488.
- Uwazami H., Nakayama N., Masuda M., et al. Recording performance of the perpendicular recording media with an electroless-plated Ni-P soft magnetic underlayert // IEEE Trans.Magn. 2004. V. 40. P. 2392-2394.
- Shimatsu T., et al. High-potential magnetic anisotropy of CoPtCr-SiO2 perpendicular recording media // IEEE Trans.Magn. 2005. V. 41. P. 566-571.
- Shimatsu T., Oikawa T., Inaba Y., et al. Thickness reduction in CoPtCr-SiO2perpendicular recording media to improve media performance // IEEE Trans.Magn. 2004. V. 40. P. 2461-2463.
- Inabe Y., Shimatsu T., Muraoka H., et al. Activation volumes in CoPtCr-SiO2perpendicular recording media // IEEE Trans.Magn. 2005. V. 41. P. 3130-3132.
- Safran G., Suzuki T., Ouchi K., et al. Nanostructure formation of Fe-Pt perpendicular magnetic recording media co-deposited with MgO, Al2O3and SiO2 additives // Thin Solid Films 2005. V. 496. P. 580.
- Singh A.K., Yin J. and Suzuki T. Thermal stability of granular-type FePt-MgO perpendicular recording media with soft underlayers // IEEE Trans. Magn. 2005. V. 41. P. 3205-3207.
- Bian B., Laughlin D.E. and Sato K. Formation of Fe-Pt perpendicular magnetic recording media // IEEE Trans.Magn. 2005. V. 41. P. 3205-3208.
- Tan C.Y., Zhou Y.Z., Chen J.S., et al. High-density perpendicular magnetic recording media of granular-type // J. Magn. Magn.Mater. 2004. V. 287. P. 172-176.
- Wu Y.C., Lai C.H., Chiang C.C., et al. Low temperature growth of perpendicular FePt films // IEEE Trans.Magn. 2005. V. 41. P. 3199-3201.
- Suzuki T., Zhang Z., Singh A.K., et al. High-density perpendicular magnetic recording media of granular-type (Fe/Pt)/soft underlayer // IEEE Trans.Magn. 2005. V. 41. P. 555-559.
- Ito H.,Shima T.,Takanashi K., et al. Control of the size for octahedral FePt nanoparticles and their magnetic properties // IEEE Trans.Magn. 2005. V. 41. P. 3373-3375.
- Yuan F.T., Chen S.K., Horng L., et al. Composite media for perpendi-cular magnetic recording // IEEE Trans.Magn. 2005. V. 41. P. 3346-3349.
- XuY.F., Chen J.S. and Wang J.P. In sity ordering of FePt thin films with face-centered-tetragonal (001) texture on
Cr100-xRux underlayer at low substraye temperature // Appl. Phys. Lett. 2002. V. 80. P. 3325-3328. - Shima T., Moriguchi T. Mitani S., et al. Low-temperature fabrication of L1o ordered FePt alloy by alternate monatomic layer deposition // Appl. Phys. Lett. 2002. V. 80. P. 288-294.
- Shen W.K., Judy J.H. and Wang P. In situ epitaxial growth of ordered FePt films with ultra small and uniform grain size using a RuAl underlayer //J. Appl. Phys. 2005.V. 97. P. 10H301.
- Gao K. and Bertram H.N. Magnetic recording configuration for densities beyond 1 Tb/in2 and datarates beyond 1 Gb/s // IEEE Trans.Magn. 2002. V. 38. P. 3675-3683.
- Victora R.H. and Shen X. Composite media for perpendicular magnetic recording // IEEE Trans.Magn. 2005. V. 41. P. 537-542.
- Wang J.P., Shen W.K. and Bai J.Exchange coupled composite media for perpendicular magnetic recording // IEEE Trans.Magn. 2005. V. 41. P. 3181-3186.
- Laughlin D.E., Peng Y., Qin Y., et al. Fabrication, micristructure, magnetic and recording properties of percolated perpendicular media // IEEE Trans Magn. 2007. V. 43. P. 693-697.
- Rottmayer R.E., Batra S., Buechel D., et al. Heat-assisted magnetic Recording // IEEE Trans Magn. 2006. V. 42. P. 2417-2421.
- Thiele J.-U., Maat S. and Fullerton E.E. FeRh/FePt exchange spring films for thermally assisted magnetic recording media // Appl. Phys. Lett. 2003. V. 82.P. 2859.
- Wachenschwanz D., Jiang W., Roddick E., et al. Design of manufacturable discrete track recording medium // IEEE Trans Magn., 2005. V. 41. P. 670-675.
