Abstract
Dynamics of photoinduced magnetization have been studied in ferromagnetic semiconductor (Ga,Mn)As thin films by time-resolved polar Kerr rotation. Ultrafast (∼150 fs) magnetization rotation has been realized using both chirality of excitation light and p–d exchange interaction. We also report on the occurrence of photoinduced magnetization precession in longer time domain. This is initiated by a change in hole concentration and resultant change in magnetic anisotropy. The overall behaviors of these photoinduced magnetization dynamics are discussed.
Similar content being viewed by others
References
A. Oiwa, Y. Mitsumori, R. Moriya, T. Slupinski, and H. Munekata, Phys. Rev. Lett. 88, 137202 (2002).
Y. Mitsumori, A. Oiwa, T. Slupinski, H. Maruki, Y. Kashimura, F. Minami, and H. Munekata, Phys. Rev. B 69, 033203 (2004).
G. Ju, A. V. Nurmikko, R. F. C. Farrow, R. F. Marks, M. J. Carey, and B. A. Gurney, Phys. Rev. B 62, 1171 (2000).
M. van Kampen, B. Koopmans, J. T. Kohlhepp, and W. J. M. de Jonge, J. Magn. Magn. Mater. 240, 291 (2001);
M. van Kampen, C. Jozsa, J. T. Kohlhepp, P. LeClaire, L. Lagae, W. J. M. de Jonge, and B. Koopmans, Phys. Rev. Lett. 88, 227201 (2002).
Q. Zhang, A. V. Nurmiko, A. Angueloch, G. Xiao, and A. Gupta, Phys. Rev. Lett. 89, 177402 (2002).
S. A. Crocker, J. J. Baumberg, F. Flack, N. Samarth, and D. D. Awschalom, Phys. Rev. Lett. 77, 2814 (1996).
R. Akimoto, K. Ando, F. Sasaki, S. Kobayashi, and T. Tani, Phys. Rev. B 57, 7208 (1998).
T. Dietl, F. Matsukura, and H. Ohno, Phys. Rev. B 63, 195205 (2001).
H. Kato, K. Hamaya, T. Taniyama, Y. Kitamoto, and H. Munekata, Jpn. J. Appl. Phys. 43, L904 (2004).
K. Hamaya, T. Watanabe, T. Taniyama, Y. Kitamoto, Y. Yamazaki, A. Oiwa, and H. Munekata, unpublished.
U. Welp, V. K. Vlasko-Vlasov, X. Liu, J. K. Frudyna, and T. Wojtowicz, Phys. Rev. Lett. 90, 167206 (2002).
X. Liu, Y. Sasaki, and J. K. Frudyna, Phys. Rev. B 67, 205204 (2003).
K. Hamaya, T. Taniyama, Y. Kitamoto, R. Moriya, and H. Munekata, J. Appl. Phys. 94, 7657 (2003).
R. Kawakami, Y. Kato, M. Hanson, I. Malajovich, J. M. Stephens, E. Johnston-Halperin, G. Salis, A. C. Gossard, and D. D. Awschalom, Science 294, 131 (2001).
; R. J. Epstein, I. Malajovich, R. K. Kawakami, Y. Chye, M. Hanson, P. M. Petroff, A. C. Gossard, and D. D. Awschalom, Phys. Rev. B 65, 121202 (2002).
C. Ciuti, J. P. McGuire, and L. J. Sham, Phys. Rev. Lett. 89, 156601 (2002).
G. E. W. Bauwer, Y. Tserkovnyak, B. I. Halperin, M. Zwierzycki, and P. J. Kelly, Phys. Rev. Lett. 92, 126601 (2004).
E. Kojima, R. Shimano, Y. Hashimoto, S. Katsumoto, Y. Iye, and M. Kuwata-Gonokami, Phys. Rev. B 68, 193023 (2003).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Oiwa, A., Takechi, H. & Munekata, H. Photoinduced Magnetization Rotation and Precessional Motion of Magnetization in Ferromagnetic (Ga,Mn)As. J Supercond 18, 9–13 (2005). https://doi.org/10.1007/s10948-005-2142-z
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/s10948-005-2142-z