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Storchak, V G; Eshchenko, D G; Morenzoni, E; Prokscha, T; Suter, A; Liu, X; Furdina, J K (2008). Spatially resolved inhomogeneous ferromagnetism in (Ga,Mn)As diluted magnetic semiconductors: A microscopic study by muon spin relaxation. Physical Review Letters, 101(2):027202.

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Thin epitaxial films of the diluted magnetic semiconductor (DMS) GaMnAs have been studied by low energy muon spin rotation and relaxation (LE-µSR) as well as by transport and magnetization measurement techniques. LE-µSR allows measurements of the distribution of magnetic field on the nanometer scale inaccessible to traditional macroscopic techniques. The spatial inhomogeneity of the magnetic field is resolved: although homogeneous above Tc, below Tc the DMS consists of ferromagnetic and paramagnetic regions of comparable volumes. In the ferromagnetic regions the local field inhomogeneity amounts to 0.03 T.

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
DDC:530 Physics
Deposited On:10 Feb 2009 10:26
Last Modified:27 Nov 2013 19:18
Publisher:American Physical Society
Publisher DOI:10.1103/PhysRevLett.101.027202
PubMed ID:18764221
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Citations:Web of Science®. Times Cited: 15
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Scopus®. Citation Count: 12

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