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- Title
Coherent Dynamics of Localized Spins in an Inhomogeneous Magnetic Field.
- Authors
Hohage, P. E.; Nannen, J.; Halm, S.; Puls, J.; Henneberger, F.; Bacher, G.
- Abstract
We studied the influence of the inhomogeneity of fringe fields originating from nanostructured ferromagnets on the coherent dynamics of localized Mn2+ spins in a (Zn,Cd,Mn)Se/ZnSe quantum well by time-resolved Kerr rotation. By studying hybrid systems with different geometry, we demonstrate that the spatially inhomogeneous fringe field results in two main consequences for the localized spin system: First, a temporal variation of the ensemble precession frequency is obtained, and second, a reduced ensemble spin dephasing time T is observed in comparison to an unstructured reference area of the sample.
- Subjects
MAGNETIC fields; FERROMAGNETISM; HYBRID systems; MAGNETIC semiconductors; SPINTRONICS
- Publication
Journal of Superconductivity & Novel Magnetism, 2010, Vol 23, Issue 1, p135
- ISSN
1557-1939
- Publication type
Article
- DOI
10.1007/s10948-009-0572-8