Induction of coherent magnetization switching in a few atomic layers of FeCo using voltage pulses

Nature Materials

Volumn 11, Issue 1, 2012, Pages 39-43

  Shiota, Yoichi ^a   Nozaki, Takayuki ^a,b,c   Bonell, Frédéric ^a   Murakami, Shinichi ^a,b   Shinjo, Teruya ^a   Suzuki, Yoshishige ^a,b  

^a OSAKA UNIVERSITY   (Japan)

^b JAPAN SCIENCE AND TECHNOLOGY AGENCY   (Japan)

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

Author keywords

[No Author keywords available]

Indexed keywords

ELECTRIC FIELDS; ELECTRIC POWER UTILIZATION; FERROMAGNETIC MATERIALS; FERROMAGNETISM; HYBRID MATERIALS; HYBRID SYSTEMS; MAGNETISM; MAGNETIZATION; NANOMAGNETICS; SWITCHING;

EXPERIMENTAL APPROACHES; FERROMAGNETIC SEMICONDUCTOR; MAGNETIZATION DIRECTION; MAGNETIZATION SWITCHING; MULTIFERROIC MATERIALS; SPIN CURRENT INJECTION; ULTRA-LOW POWER CONSUMPTION; VOLTAGE CONTROL OF MAGNETIZATIONS;

MAGNETIZATION REVERSAL;

EID: 83655167100     PISSN: 14761122     EISSN: 14764660     Source Type: Journal    
DOI: 10.1038/nmat3172     Document Type: Article

References (26)

1. Berger, L. Emission of spin waves by a magnetic multilayer traversed by a current. Phys. Rev. B 54, 9353-9358 (1996).
2. Slonczewski, J. C. Current-driven excitation of magnetic multilayers. J. Magn. Magn. Mater. 159, L1-L7 (1996). (Pubitemid 126356952)
3. Curie, P. Sur la symétrie dans les phénoménes physiques, symétrie d'un champ électrique et d'un champ magnétique. J. Phys. 3, 393-415 (1894).
4. Nie, X. & Blügel, S. Elektrisches Feld zur Ummagnetisierung eines dünnen Films. European patent 19841034.4 (2000).
5. Weisheit, M. et al. Electric field-induced modification of magnetism in thin-film ferromagnets. Science 315, 349-351 (2007). (Pubitemid 46175509)
6. Maruyama, T. et al. Large voltage-induced magnetic anisotropy change in a few atomic layers of iron. Nature Nanotech. 4, 158-161 (2009).
7. Gamble, S. J. et al. Electric field induced magnetic anisotropy in a ferromagnet. Phys. Rev. Lett. 102, 217201 (2009).
8. Gerhard, L. et al. Magnetoelectric coupling at metal surfaces. Nature Nanotech. 5, 792-797 (2010).
9. Novosad, V. et al. Novel magnetostrictive memory device. J. Appl. Phys. 87, 6400-6402 (2000).
10. Lee, J-W., Shin, S-C. & Kim, S-K. Spin engineering of CoPd alloy films via the inverse piezoelectric effect. Appl. Phys. Lett. 82, 2458-2460 (2003).
11. Ohno, H. et al. Electric-field control of ferromagnetism. Nature 408, 944-946 (2000). (Pubitemid 32101634)
12. Chiba, D., Yamanouchi, M., Matsukura, F. & Ohno, H. Electrical manipulation of magnetization reversal in a ferromagnetic semiconductor. Science 301, 943-945 (2003). (Pubitemid 36994801)
13. Chiba, D. et al. Magnetization vector manipulation by electric fields. Nature 455, 515-518 (2008).
14. Eerenstein, W., Mathur, N. D. & Scott, J. F. Multiferroic and magnetoelectric materials. Nature 442, 759-765 (2006). (Pubitemid 44261898)
15. Chu, Y-H. et al. Electric-field control of local ferromagnetism using a magnetoelectric multiferroic. Nature Mater. 7, 478-482 (2008). (Pubitemid 351735881)
16. Shiota, Y. et al. Voltage-assisted magnetization switching in ultrathin Fe80Co20 alloy layers. Appl. Phys. Express 2, 063001 (2009).
17. Endo, M., Kanai, S., Ikeda, S., Matsukura, F. & Ohno, H. Electric-field effects on thickness dependent magnetic anisotropy of sputtered MgO=Co40Fe40B20=Ta structures. Appl. Phys. Lett. 96, 212503 (2010).
18. Duan, C-G. et al. Surface magnetoelectric effect in ferromagnetic metal films. Phys. Rev. Lett. 101, 137201 (2008).
19. Nakamura, K. et al. Giant modification of the magnetocrystalline anisotropy in transition-metal monolayers by an external electric field. Phys. Rev. Lett. 102, 187201 (2009).
20. Tsujikawa, M. & Oda, T. Finite electric field effects in the large perpendicular magnetic anisotropy surface Pt/Fe/Pt(001): A first-principles study. Phys. Rev. Lett. 102, 247203 (2009).
21. Nozaki, T., Shiota, Y., Shiraishi, M., Shinjo, T. & Suzuki, Y. Voltage-induced perpendicular magnetic anisotropy change in magnetic tunnel junctions. Appl. Phys. Lett. 96, 022506 (2010).
22. Shiota, Y. et al. Quantitative evaluation of voltage-induced magnetic anisotropy change by magnetoresistance measurement. Appl. Phys. Express 4, 043005 (2011).
23. Yuasa, S., Nagahama, T., Fukushima, A., Suzuki, Y. & Ando, K. Giant room-temperature magnetoresistance in single-crystal Fe/MgO/Fe magnetic tunnel junctions. Nature Mater. 3, 868-871 (2004).
24. Parkin, S. S. P. et al. Giant tunnelling magnetoresistance at room temperature with MgO(100) tunnel barriers. Nature Mater. 3, 862-867 (2004).
25. Chiba, D., Nakatani, Y., Matsukura, F. & Ohno, H. Simulation of magnetization switching by electric-field manipulation of magnetic anisotropy. Appl. Phys. Lett. 96, 192506 (2010).
26. Akimoto, H., Kanai, H., Uehara, Y., Ishizuka, T. & Kameyama, S. Analysis of thermal magnetic noise in spin-valve GMR heads by using micromagnetic simulation. J. Appl. Phys. 97, 10N705 (2005).