Enhanced tunnel magnetoresistance in a spinel oxide barrier with cation-site disorder

Physical Review B - Condensed Matter and Materials Physics

Volumn 86, Issue 18, 2012, Pages

  Sukegawa, Hiroaki ^a   Miura, Yoshio ^b   Muramoto, Shingo ^b   Mitani, Seiji ^a   Niizeki, Tomohiko ^a   Ohkubo, Tadakatsu ^a   Abe, Kazutaka ^b   Shirai, Masafumi ^b   Inomata, Koichiro ^a   Hono, Kazuhiro ^a  

^a NATIONAL INSTITUTE FOR MATERIALS SCIENCE   (Japan)

^b TOHOKU UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84869032858     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.86.184401     Document Type: Article

References (18)

1. S. Yuasa, T. Nagahama, A. Fukushima, Y. Suzuki, and K. Ando, Nat. Mater. NMAACR 1476-1122 10.1038/nmat1257 3, 868 (2004).
2. S. S. P. Parkin, C. Kaiser, A. Panchula, P. M. Rice, B. Hughes, M. Samant, and S.-H. Yang, Nat. Mater. NMAACR 1476-1122 10.1038/nmat1256 3, 862 (2004).
3. W. H. Butler, X.-G. Zhang, T. C. Schulthess, and J. M. MacLaren, Phys. Rev. B PRBMDO 1098-0121 10.1103/PhysRevB.63.054416 63, 054416 (2001).
4. J. Mathon and A. Umerski, Phys. Rev. B PRBMDO 1098-0121 10.1103/PhysRevB.63.220403 63, 220403 (R) (2001).
5. S. Ikeda, J. Hayakawa, Y. Ashizawa, Y. M. Lee, K. Miura, H. Hasegawa, M. Tsunoda, F. Matsukura, and H. Ohno, Appl. Phys. Lett. APPLAB 0003-6951 10.1063/1.2976435 93, 082508 (2008).
6. S. Yuasa, A. Fukushima, H. Kubota, Y. Suzuki, and K. Ando, Appl. Phys. Lett. APPLAB 0003-6951 10.1063/1.2236268 89, 042505 (2006).
7. Y. M. Lee, J. Hayakawa, S. Ikeda, F. Matsukura, and H. Ohno, Appl. Phys. Lett. APPLAB 0003-6951 10.1063/1.2234720 89, 042506 (2006).
8. W. H. Wang, E. Liu, M. Kodzuka, H. Sukegawa, M. Wojcik, E. Jedryka, G. H. Wu, K. Inomata, S. Mitani, and K. Hono, Phys. Rev. B PRBMDO 1098-0121 10.1103/PhysRevB.81.140402 81, 140402 (R) (2010).
9. H. Sukegawa, H. Xiu, T. Ohkubo, T. Furubayashi, T. Niizeki, W. H. Wang, S. Kasai, S. Mitani, K. Inomata, and K. Hono, Appl. Phys. Lett. APPLAB 0003-6951 10.1063/1.3441409 96, 212505 (2010).
10. H. Sukegawa, H. Xiu, T. Ohkubo, T. Niizeki, S. Kasai, T. Furubayashi, S. Mitani, K. Inomata, and K. Hono, J. Magn. Soc. Jpn. NOJGD3 0285-0192 10.3379/msjmag.1104R011 35, 254 (2011).
11. K. E. Sickafus and J. M. Wills, J. Am. Ceram. Soc. 0002-7820 10.1111/j.1151-2916.1999.tb02241.x 82, 3279 (1999).
12. R. Shan, H. Sukegawa, W. H. Wang, M. Kodzuka, T. Furubayashi, T. Ohkubo, S. Mitani, K. Inomata, and K. Hono, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.102.246601 102, 246601 (2009).
13. 4 /Fe MTJs fabricated under the same postannealing conditions had a TMR ratio of only 40 % -58 % at RT. 10
14. Y. Miura, S. Muramoto, K. Abe, and M. Shirai, Phys. Rev. B PRBMDO 1098-0121 10.1103/PhysRevB.86.024426 86, 024426 (2012).
15. J. Zhang, X.-G. Zhang, and X. F. Han, Appl. Phys. Lett. APPLAB 0003-6951 10.1063/1.4722804 100, 222401 (2012).
16. K. E. Sickafus, J. Nucl. Mater. JNUMAM 0022-3115 10.1016/S0022-3115(02) 01320-X 312, 111 (2003).
17. W. Eerenstein, T. T. M. Palstra, T. Hibma, and S. Celotto, Phys. Rev. B PRBMDO 1098-0121 10.1103/PhysRevB.66.201101 66, 201101 (R) (2002).
18. 4.