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Your search keyword '"Zakharchenko, I.N."' showing total 2 results
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2 results on '"Zakharchenko, I.N."'

1. A comparative Raman study of ferroelectric PbTiO3 single crystal and thin film prepared in MgO substrate

Author

Yuzyuk, Yu. I., Farhi, R., Lorman, V.L., Rabkin, L.M., Sapozhnikov, L.A., Sviridov, E.V., and Zakharchenko, I.N.

Subjects
Ferroelectric crystals -- Research, Thin films -- Research, Physics
Abstract

A highly oriented PbTiO3 thin film deposited on a MgO single crystal was investigated by Raman spectroscopy as a function of the temperature and compared with a PbTiO3 single crystal. A shift in the transition temperature of the film was deduced from the difference in the temperature variations of the soft mode frequency between the single crystal and the film. Also, the linewidth and integrated intensity of this soft mode functioned differently from past studies.

Published
1998

2. Phase transitions in (BA0.7Sr0.3)TiO3/(001)MgO thin film studied by Raman scattering

Author

Yuzyuk, Yu. I., Sauvajol, J.L., Simon, P., Lorman, V.L., Alyoshin, V.A., Sviridov, E.V., and Zakharchenko, I.N.

Subjects
Magnesium oxide -- Research, Magnesium oxide -- Electric properties, Dielectric films -- Research, Thin films -- Research, Phase transformations (Statistical physics) -- Research, Physics
Abstract

Polarized Raman spectra of heteroepitaxial (Ba0.7Sr0.3)TiO3 thin film deposited on the (001)MgO substrate is studied in the broad temperature range from 30 to 1300 K. The results of the study shows that the ferroelectric-paraelectric phase transition is markedly shifted to higher temperatures with respect to the bulk ceramics of the same composition.

Published
2003

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