Polarisation dependent Raman study of single-crystal nickel oxide

• Authors: Nina Mironova-Ulmane , Alexei Kuzmin , Ilmo Sildos , Martti Pärs
• Languages of publication: EN

Abstracts

EN

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.

Keywords

EN

NiO; Raman scattering; antiferromagnetic domains; magnons

• Publisher: De Gruyter Open
• Journal: Open Physics
• Year: 2011
• Volume: 9
• Issue: 4
• Pages: 1096-1099

Dates

published

1 - 8 - 2011

online

30 - 4 - 2011

Contributors

author

Nina Mironova-Ulmane

• Institute of Solid State Physics, University of Latvia, Kengaraga street 8, LV-1063, Riga, Latvia

author

Alexei Kuzmin

• Institute of Solid State Physics, University of Latvia, Kengaraga street 8, LV-1063, Riga, Latvia

author

Ilmo Sildos

• Institute of Physics, University of Tartu, Riia street 142, EE-2400, Tartu, Estonia

author

Martti Pärs

• Institute of Physics, University of Tartu, Riia street 142, EE-2400, Tartu, Estonia

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Identifiers

DOI

10.2478/s11534-010-0130-9