No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
The full text of this article is not currently available.
Analysis of the transient response of nuclear spins in GaAs with/without nuclear magnetic resonance
2.M. I. Dyakonov, V. I. Perel, V. L. Berkovits, and V. I. Safarov, Sov. Phys. JETP 40, 950 (1975).
16.J. Shiogai, M. Ciorga, M. Utz, D. Schuh, T. Arakawa, M. Kohda, K. Kobayashi, T. Ono, W. Wegscheider, D. Weiss, and J. Nitta, Appl. Phys. Lett. 101, 212402 (2012).
21.G.-f. Li, Y. Honda, H.-x. Liu, K.-i. Matsuda, M. Arita, T. Uemura, M. Yamamoto, Y. Mimura, M. Shirai, T. Saito, F. Shi, and P. M. Voyles, Phys. Rev. B 89, 014428 (2014).
22.J.-P. Wüstenberg, R. Fetzer, M. Aeschlimann, M. Cinchetti, J. Minár, Jürgen Braun, H. Ebert, T. Ishikawa, T. Uemura, and M. Yamamoto, Phys. Rev. B 85, 064407 (2012).
23.V. R. Singh, V. K. Verma, K. Ishigami, G. Shibata, T. Kadono, A. Fujimori, D. Asakura, T. Koide, Y. Miura, M. Shirai, G.-f. Li, T. Taira, and M. Yamamoto, Phys. Rev. B 86, 144412 (2012).
25.A. Abragam and W. G. Proctor, Spin Temperature. Phys. Rev 109, 1441 (1958).
26.M. I. Dyakonov and V. I. Perel, in Optical Orientation, edited by F. Meier and B. P. Zakharchenya (North-Holland, New York, 1984).
27.X. Lou, C. Adelmann, S. A. Crooker, E. S. Garlid, J. Zhang, S. M. Reddy, S. D. Flexner, C. J. Palmstrøm, and P. A. Crowell, Nat. Phys. 3, 197 (2007).
30.J. Fabian, A. Matos-Abiaguea, C. Ertlera, P. Stano, and I. I. Zutic, Acta Phys. Slov. 57, 565 (2007).
Article metrics loading...
As an alternative to studying the steady-state responses of nuclear spins in solid state systems, working within a transient-state framework can reveal interesting phenomena. The response of nuclear spins in GaAs to a changing magnetic field was analyzed based on the time evolution of nuclear spin temperature. Simulation results well reproduced our experimental results for the transient oblique Hanle signals observed in an all-electrical spin injection device. The analysis showed that the so called dynamic nuclear polarization can be treated as a cooling tool for the nuclear spins: It works as a provider to exchange spin angular momentum between polarized electron spins and nuclear spins through the hyperfine interaction, leading to an increase in the nuclear polarization. In addition, a time-delay of the nuclear spin temperature with a fast sweep of the external magnetic field produces a possible transient state for the nuclear spinpolarization. On the other hand, the nuclear magnetic resonance acts as a heating tool for a nuclear spin system. This causes the nuclear spin temperature to jump to infinity: i.e., the average nuclear spins along with the nuclear field vanish at resonant fields of 75As, 69Ga and 71Ga, showing an interesting step-dip structure in the oblique Hanle signals. These analyses provide a quantitative understanding of nuclear spin dynamics in semiconductors for application in future computation processing.
Full text loading...
Most read this month