Journal
CENTRAL EUROPEAN JOURNAL OF PHYSICS
Volume 9, Issue 4, Pages 1096-1099Publisher
VERSITA
DOI: 10.2478/s11534-010-0130-9
Keywords
NiO; Raman scattering; antiferromagnetic domains; magnons
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Funding
- Latvian Government [09.1518]
- Latvian National Research Program IMIS
- ESF [2009/0202/1DP/1.1.1.2.0/09/APIA/VIAA/141, 6999]
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The magnetic domain structure and Raman scattering have been studied in NiO single-crystals with three different (100), (110) and (111) orientations. Twin-domain structure was observed in NiO(100) and NiO(110) single-crystals using cross-polarized optical microscopy. We found that the ratio of the two-magnon (at 1500 cm(-1)) to the two-phonon (2LO, at 1100 cm(-1)) Raman bands intensity is sensitive in a particular way to the type of the twin-domain pattern.
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