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  5. A Raman study of multiferroic LuMnO3

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Article
English
2009

A Raman study of multiferroic LuMnO3

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English
2009
Solid State Sciences
Vol 11 (9)
DOI: 10.1016/j.solidstatesciences.2009.06.002

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Cnr Rao
Cnr Rao

Jawaharlal Nehru Centre for Advanced Scientific Research

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Anirban Ghosh
Jyoti Ranjan Sahu
S. Venkataprasad Bhat
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Abstract

Magnetic and dielectric measurements confirm the multiferroic nature of LuMnO3. Raman spectra of LuMnO3 have been recorded in the 77–800K range covering both the antiferromagnetic transition at 90K and the ferroelectric–paraelectric transition at 750K. The changes in the phonon modes frequencies and band-widths indicate the presence of phonon–spin coupling in the antiferromagnetically ordered phase. The ferroelectric–paraelectric transition is accompanied by the broadening and disappearance of many of the phonon modes. Some of the phonon modes also show anomalies at the ferroelectric transition.

How to cite this publication

Anirban Ghosh, Jyoti Ranjan Sahu, S. Venkataprasad Bhat, Cnr Rao (2009). A Raman study of multiferroic LuMnO3. Solid State Sciences, 11(9), pp. 1639-1642, DOI: 10.1016/j.solidstatesciences.2009.06.002.

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Publication Details

Type

Article

Year

2009

Authors

4

Datasets

0

Total Files

0

Language

English

Journal

Solid State Sciences

DOI

10.1016/j.solidstatesciences.2009.06.002

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