Off-Axis Electron Holography of Magnetic Nanostructures: Magnetic Behavior of Mn Rich Nanoprecipitates in (Mn,Ga)As System
M. Barańskaa, P. Dłużewski a, S. Kret a, K. Morawiec a, Tian Li a and J. Sadowskia,b,c
aInstitute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, PL-02668 Warsaw, Poland
bMAX-IV laboratory, Lund University, P.O. Box 118, 221 00 Lund, Sweden
cDepartment of Physics and Electrical Engineering, Linnaeus University, 391 82 Kalmar, Sweden
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The Lorentz off-axis electron holography technique is applied to study the magnetic nature of Mn rich nanoprecipitates in (Mn,Ga)As system. The effectiveness of this technique is demonstrated in detection of the magnetic field even for small nanocrystals having an average size down to 20 nm.

DOI: 10.12693/APhysPolA.131.1406
PACS numbers:, 68.37.Lp, 07.05.Pj, 75.50.Pp