Room-temperature electronically-controlled ferromagnetism at the LaAlO3 /SrTiO3 interface

Nature Communications

Volumn 5, Issue , 2014, Pages

  Bi, Feng ^a,b   Huang, Mengchen ^a,b   Ryu, Sangwoo ^c   Lee, Hyungwoo ^c   Bark, Chung Wung ^c   Eom, Chang Beom ^c   Irvin, Patrick ^a,b   Levy, Jeremy ^a,b  

^a UNIVERSITY OF PITTSBURGH   (United States)

^b Pittsburgh Quantum Institute   (United States)

^c University of Wisconsin Madison   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALUMINUM; LANTHANUM; OXIDE; STRONTIUM; TITANIUM DIOXIDE;

ELECTRICAL CONDUCTIVITY; ELECTRON; ELECTRONIC EQUIPMENT; MAGNETIC PROPERTY; MAGNETIZATION; OXIDE; TECHNOLOGICAL CHANGE; TEMPERATURE EFFECT;

ARTICLE; ATOMIC FORCE MICROSCOPY; CONDUCTANCE; ELECTRIC POTENTIAL; ELECTRON; ELECTRON DIFFRACTION; HYSTERESIS; MAGNETIC FIELD; MAGNETISM; ROOM TEMPERATURE;

EID: 84923297191     PISSN: None     EISSN: 20411723     Source Type: Journal    
DOI: 10.1038/ncomms6019     Document Type: Article

References (41)

1. Wolf, S. A. et al. Spintronics: a spin-based electronics vision for the future. Science 294, 1488-1495 (2001).
2. Awschalom, D. D. & Flatte, M. E. Challenges for semiconductor spintronics. Nat. Phys. 3, 153-159 (2007).
3. Dietl, T. A ten-year perspective on dilute magnetic semiconductors and oxides. Nat. Mater. 9, 965-974 (2010).
4. Ohno, H. et al. (Ga, Mn)As: a new diluted magnetic semiconductor based on GaAs. Appl. Phys. Lett. 69, 363-365 (1996).
5. He, X. et al. Robust isothermal electric control of exchange bias at room temperature. Nat. Mater. 9, 579-585 (2010).
6. Dagotto, E. & Tokura, Y. Strongly correlated electronic materials: present and future. MRS Bull. 33, 1037-1045 (2008).
7. 3 heterointerface. Nature 427, 423-426 (2004).
8. Reyren, N. et al. Superconducting interfaces between insulating oxides. Science 317, 1196-1199 (2007).
9. 3 interface: a magnetotransport study. Phys. Rev. Lett. 104, 126802 (2010).
10. Caviglia, A. D. et al. Tunable Rashba spin-orbit interaction at oxide interfaces. Phys. Rev. Lett. 104, 126803 (2010).
11. Brinkman, A. et al. Magnetic effects at the interface between non-magnetic oxides. Nat. Mater. 6, 493-496 (2007).
12. 3 interface. Nat. Commun. 2, 1192 (2011).
13. 3 interfaces. Nat. Phys. 7, 762-766 (2011).
14. 3 interface. Nat. Phys. 7, 767-771 (2011).
15. 3 interface. Nat. Mater. 12, 703-706 (2013).
16. 3 heterostructures. Phys. Rev. Lett. 107, 217201 (2011).
17. 3 multilayers. Phys. Rev. Lett. 109, 257207 (2012).
18. 3 interface ground state. Nature 456, 624-627 (2008).
19. 3 interface. Nat. Commun. 3, 1129 (2012).
20. 3 interface. Proc. Natl Acad. Sci. USA 110, 9633 (2013).
21. 3 interface. Phys. Rev. B 80, 180410 (2009).
22. Thiel, S., Hammerl, G., Schmehl, A., Schneider, C. W. & Mannhart, J. Tunable quasi-two-dimensional electron gases in oxide heterostructures. Science 313, 1942-1945 (2006).
23. 3 interfaces. Appl. Phys. Lett. 96, 183504 (2010).
24. Xie, Y., Hikita, Y., Bell, C. & Hwang, H. Y. Control of electronic conduction at an oxide heterointerface using surface polar adsorbates. Nat. Commun. 2, 494 (2011).
25. Cen, C. et al. Nanoscale control of an interfacial metal-insulator transition at room temperature. Nat. Mater. 7, 298-302 (2008).
26. Martin, Y. & Wickramasinghe, H. K. Magnetic imaging by force microscopy with 1000-a resolution. Appl. Phys. Lett. 50, 1455-1457 (1987).
27. Kebe, T. & Carl, A. Calibration of magnetic force microscopy tips by using nanoscale current-carrying parallel wires. J. Appl. Phys. 95, 775-792 (2004).
28. Liu, C. X. et al. Calibration of magnetic force microscopy using micron size straight current wires. J. Appl. Phys. 91, 8849-8851 (2002).
29. Albrecht, T. R., Grutter, P., Horne, D. & Rugar, D. Frequency-modulation detection using high-Q cantilevers for enhanced force microscope sensitivity. J. Appl. Phys. 69, 668-673 (1991).
30. Chui, S. T. Spin reversal in ultra-thin magnetic films with fourfold anisotropy. Appl. Phys. Lett. 68, 3641-3643 (1996).
31. Elfimov, I. S., Yunoki, S. & Sawatzky, G. A. Possible path to a new class of ferromagnetic and half-metallic ferromagnetic materials. Phys. Rev. Lett. 89, 216403 (2002).
32. 3 interface. Phys. Rev. B 87, 014436 (2013).
33. 3 interface. Nature Physics 9, 626-630 (2013).
34. 3 oxide interface structures: possibility of finite momentum pairing. Phys. Rev. Lett. 108, 117003 (2012).
35. Dietl, T., Ohno, H., Matsukura, F., Cibert, J. & Ferrand, D. Zener model description of ferromagnetism in zinc-blende magnetic semiconductors. Science 287, 1019-1022 (2000).
36. 3 interfaces: hole polarons, oxygen vacancies, and mobile electrons. Phys. Rev. B 74, 035112 (2006).
37. Pavlenko, N., Kopp, T., Tsymbal, E. Y., Mannhart, J. & Sawatzky, G. A. Oxygen vacancies at titanate interfaces: Two-dimensional magnetism and orbital reconstruction. Phys. Rev. B 86, 064431 (2012).
38. 3. Phys. Rev. Lett. 107, 256601 (2011).
39. 3. Phys. Rev. X 2, 021014 (2012).
40. 3 heterointerface. Nano. Lett. 12, 4055-4059 (2012).
41. Geng, Y. et al. Direct visualization of magnetoelectric domains. Nat. Mater. 13, 163-167 (2013).