Multilevel-3D bit patterned magnetic media with 8 signal levels per nanocolumn

PLoS ONE

Volumn 7, Issue 7, 2012, Pages

  Amos, Nissim ^a   Butler, John ^a   Lee, Beomseop ^a   Shachar, Meir H ^a   Hu, Bing ^b   Tian, Yuan ^a   Hong, Jeongmin ^c   Garcia, Davil ^b   Ikkawi, Rabee M ^a   Haddon, Robert C ^a   Litvinov, Dmitri ^d   Khizroev, Sakhrat ^a,c  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b University of California Riverside   (United States)

^c Florida International University   (United States)

^d UNIVERSITY OF HOUSTON   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COBALT; PALLADIUM; PLATINUM;

ARTICLE; DATA STORAGE DEVICE; FERROMAGNETIC INTERACTION; FILM; INFORMATION PROCESSING; MAGNETIC BASED DATA STORAGE DEVICE; MAGNETIC FIELD; MAGNETIC FORCE MICROSCOPY; MAGNETISM; MAGNETOOPTICAL KERR EFFECT MICROSCOPY; MICROSCOPY;

COMMUNICATIONS MEDIA; MAGNETICS; MICROSCOPY, ATOMIC FORCE; NANOSTRUCTURES; PATTERN RECOGNITION, AUTOMATED; ROTATION; SIGNAL PROCESSING, COMPUTER-ASSISTED;

EID: 84863648393     PISSN: None     EISSN: 19326203     Source Type: Journal    
DOI: 10.1371/journal.pone.0040134     Document Type: Article

References (27)

1. Dieter W, Mary FD, (2000) Extremely high-density longitudinal magnetic recording media. Annu. Rev. Mater. Sci. 30: 611-44.
2. Gerardo AB, Sudhir M, Bo B, Jackie T, Michael A, et al. (2003) Longitudinal Magnetic Media Designs for 60-200 Gb/in2 Recording. IEEE Trans. Mag., 39 (2): 651-656.
3. Hans JR, Richard MB, Jason LP, (2002) Linear Density Dependence of Thermal Decay in Longitudinal Recording. IEEE Trans. Mag. 38: 260-270.
4. Piramanayagam SN, (2007) Perpendicular recording media for hard disk drives. J. Appl. Phys. 102: 011301.
5. William AC, Chubing P, Amit VI, Darren K, Wei P, et al. (2009) Heat-assisted magnetic recording by a near-field transducer with efficient optical energy transfer. Nature Photonics 3: 220-224.
6. Michael AS, William AC, Edward G, Nils G, Ganping J, et al. (2008) Integrated Heat Assisted Magnetic Recording Head: Design and Recording Demonstration. IEEE Trans. Mag. 44 (1): 119-124.
7. Nils JG, Hua Z, Darren K, Sharat B, Mike M, (2009) Effect of gradient alignment in heat assisted magnetic recording. J. Appl. Phys (105): 07B905.
8. Zhang L, Takahashi YK, Perumal A, Hono K, (2010) L10-ordered high coercivity (FePt)Ag-C granular thin films for perpendicular recording. J. Magn. Mag. Mat. 322: 2658-2664.
9. Michael KG, Olav H, Thomas H, Elizabeth D, Thomas RA, (2011) High-Density Bit Patterned Media: Magnetic Design and Recording Performance. IEEE Trans. Mag. 47 (1): 6-10.
10. Bruce DT, (2009) Fabrication challenges for patterned recording media. J. Magn. Mag. Mat. 321: 512-517.
11. Zhimin Y, Bo L, (2001) Double layer magnetic data storage- an approach towards 3D magnetic recording. J. Magn. Mag. Mat. 235: 481-486.
12. Sakhrat K, Yazan H, Nissim A, Roman C, (2006) Physics considerations in the design of three-dimensional and multilevel magnetic recording. J. Appl. Phys. 100: 063907.
13. Hua H, Jing P, Duanyi X, Guosheng Q, Heng H, et al. (2006) Multi-level optical storage in photochromic diarylethene optical disc. Optical Materials 28: 904-908.
14. Shiqiang C, Shouzhi P, Gang L, Weijun L, (2009) Synthesis a New Photochromic Diarylethene for Electrochemical Switching and Holographic Optical Recording. Pacific-Asia Conference on Circuits, Communications and System 536-539.
15. Manfred A, Olav H, Guohan H, Bruce DT, (2005) Method for magnetic recording on patterned multilevel perpendicular media using thermal assistance and fixed write current. US Patent 6865044.
16. Alexander YD, Hans JR, Erol G, (2010) Single-Pass Recording of Multilevel Patterned Media. US Patent 7974031.
17. Mehmet FE, Mourad B, Walter RE, (2011) Multi-level recording on shingled coherent magnetic media. US Patent 7982994.
18. Shah P, Ahmed M, Ambroze M, Tjhai C, Davey PJ, (2007) Novel Soft-Feedback Equalization Method for Multilevel Magnetic Recording. IEEE Trans. Mag. 43 (6): 2280-2282.
19. Baltz V, Landis S, Rodmacq B, Dieny B, (2005) Multilevel magnetic media in continuous and patterned films with out-of-plane magnetization. J. Magn. Mag. Mat. 290-291: 1286-1289.
20. Albrecht M, Hu G, Moser A, Hellwig O, Terris BD, (2005) Magnetic dot arrays with multiple storage layers. J. Appl. Phys. 97: 103910.
21. Baltz V, Bollero A, Rodmacq B, Dieny B, Jamet JP, et al. (2007) Multilevel magnetic nanodot arrays with out of plane anisotropy: the role of intra-dot magnetostatic coupling. Eur. Phys. J. Appl. Phys. 39: 33-38.
22. Jubert PO, Vanhaverbeke A, Bischof A, Allenspach R, (2010) Recording at Large Write Currents on Obliquely Evaporated Medium and Application to a Multilevel Recording Scheme. IEEE Trans. Mag. 46 (12): 4059-4065.
23. Winkler G, Suess D, Lee J, Fidler J, Bashir MA, et al. (2009) Microwave-assisted three-dimensional multilayer magnetic recording," J. Appl. Phys. Lett. 94: 232501.
24. Shaojing L, Boris L, H Neal B, Eric EF, Vitaliy L, (2009) Microwave-assisted magnetization reversal and multilevel recording in composite media. J. Appl. Phys. 105: 07B909.
25. Speetzen N, Stadler BJH, Yuan E, Victora RH, Qi X, et al. (2005) Co/Pd multilayers for perpendicular magnetic recording media. J. Magn. Mag. Mat. 287: 181-187.
26. Tetsunori K, Hiroyuki A, Hiroyuki H, Katsuyuki N, Akira K, et al. (2008) Study of high magnetic anisotropy Co/Pd multilayers for patterned media. J. Appl. Phys. 103: 07C502.
27. Bing H, Nissim A, Yuan T, John B, Dmitri L, et al. (2011) Study of Co/Pd multilayers as a candidate material for next generation magnetic media: J. Appl. Phys. 109 (3): 034314.