Efficient spin detection across the hybrid Co/GaAs schottky interface

IEEE Transactions on Magnetics

Volumn 43, Issue 6, 2007, Pages 2872-2874

  Trypiniotis, T ^a   Tse, D H Y ^a   Steinmuller, S J ^a   Cho, W S ^a   Bland, J A C ^a  

^a UNIVERSITY OF CAMBRIDGE   (United Kingdom)

Author keywords

Co; Electron spin detection; Electron spin transport; Gallium arsenide; Photoexcitation; Schottky barriers; Tunnelling

Indexed keywords

ANNEALING; ELECTRON TRANSPORT PROPERTIES; ELECTRON TUNNELING; PHOTOEXCITATION; SCHOTTKY BARRIER DIODES; SEMICONDUCTING GALLIUM ARSENIDE;

ELECTRON SPIN DETECTION; ELECTRON SPIN TRANSPORT; SCHOTTKY TUNNEL BARRIERS; SPIN FILTERING;

SPIN DYNAMICS;

EID: 34249093268     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2007.893476     Document Type: Article

References (17)

1. B. L. Liu, M. Senes, S. Couderc, J. F. Bobo, X. Marie, T. Amand, C. Fontaine, and A. Arnoult, "Optical and electrical spin injection in spin-LED," Phys. E Low Dimensional Syst. Nanostruct., vol. 17, pp. 358-360, 2003.
2. T. Manago and H. Akinaga, "Spin-polarized light-emitting diode using metal/insulator/semiconductor structures," Appl. Phys. Lett., vol. 81, pp. 694-696, 2002.
3. A. T. Hanbicki, O. M. J. van't Erve, R. Magno, G. Kioseoglou, C. H. Li, B. T. Jonker, G. Itskos, R. Mallory, M. Yasar, and A. Petrou, "Analysis of the transport process providing spin injection through an Fe/AlGaAs Schottky barrier," Appl. Phys. Lett., vol. 82, pp. 4092-4094, 2003.
4. 3 tunnel barrier contacts for electrical spin injection into GaAs," Appl. Phys. Lett., vol. 84, pp. 4334-4336, 2004.
5. A. Hirohata, Y. B. Xu, C. M. Guertler, J. A. C. Bland, and S. N. Holmes, "Spin-polarized electron transport in ferromagnet/semiconductor hybrid structures induced by photon excitation," Phys. Rev. B, vol. 63, p. 104425, 2001.
6. M. W. J. Prins, H. van Kempen, H. van Leuken, R. A. de Groot, W. van Roy, and J. de Boeck, "Spin-dependent transport in metal-semiconductor tunnel-junctions," J. Phys. Condens. Matter, vol. 7, pp. 9447-9464, 1995.
7. E. Y. Tsymbal and D. G. Pettifor, "Modelling of spin-polarized electron tunnelling from 3d ferromagnets," J. Phys. Condens. Matter, vol. 9, pp. L411-L417, 1997.
8. I. I. Mazin, "How to define and calculate the degree of spin polarization in ferromagnets," Phys. Rev. Lett., vol. 83, pp. 1427-1430, 1999.
9. 3 interfaces using copper-doped aluminum superconducting films," Appl. Phys. Lett., vol. 77, pp. 720-722, 2000.
10. R. J. Soulen, J. M. Byers, M. S. Osofsky, B. Nadgorny, T. Ambrose, S. F. Cheng, P. R. Broussard, C. T. Tanaka, J. Nowak, J. S. Moodera, A. Barry, and J. M. D. Coey, "Measuring the spin polarization of a metal with a superconducting point contact," Science, vol. 282, pp. 85-88, 1998.
11. A. Guillen-Cervantes, Z. Rivera-Alvarez, M. Lopez-Lopez, E. Lopez-Luna, and I. Hernandez-Calderon, "GaAs surface oxide desorption by annealing in ultra high vacuum," Thin Solid Films, vol. 373, pp. 159-163, 2000.
12. A. Hirohata, S. J. Steinmueller, W. S. Cho, Y. B. Xu, C. M. Guertler, G. Wastlbauer, J. A. C. Bland, and S. N. Holmes, "Ballistic spin filtering across ferromagnet/semiconductor interfaces at room temperature," Phys. Rev. B, vol. 66, p. 035330, 2002.
13. Y. Z. Wu, H. F. Ding, C. Jing, D. Wu, G. S. Dong, X. F. Jin, K. Sun, and S. Zhu, "Epitaxy and magnetism of Co on GaAs(001)," J. Magn. Magn. Mater., vol. 199, pp. 297-299, 1999.
14. S. M. Sze, Physics of Semiconductor Devices, 2nd ed. New York: Wiley, 1981.
15. C. R. Crowell and S. M. Sze, "Current transport in metal-semiconductor barriers," Solid-State Electron., vol. 9, p. 1035, 1966.
16. S. J. Steinmuller, C. M. Gürtler, G. Wastlbauer, and J. A. C. Bland, "Separation of electron spin filtering and magnetic circular dichroism effects in photoexcitation studies of hybrid ferromagnet/GaAs Schottky barrier structures," Phys. Rev. B, vol. 72, p. 045301, 2005.
17. A. Sharma, R. Brajpuriya, S. Tripathi, D. Jain, R. Dubey, T. Shripathi, and S. M. Chaudhari, "A comparative study of Co thin film deposited on GaAs (100) and glass substrates," Mater. Sci. Eng. B Solid State Mater. Adv. Technol., vol. 130, pp. 120-125, 2006.