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Ferroelectricity in nanocomposites based on porous glass with inclusions of NaNO |
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| Authors: | O. V. Rogazinsksya A. S. Sidorkin S. D. Milovidova A. A. Naberezhnov N. N. Matveev N. G. Popravko A. V. Fokin |
| Affiliation: | (1) Ioffe Physico-Technical Institute, 26 Polytechnicheskaya, 194021 Saint Petersburg, Russia;(2) Petersburg Nuclear Physics Institute, Leningrad district, Gatchina, 188300, Russia;(3) Hahn-Meitner-Institut, Glinicker Straβe 100, Berlin, 14 109, Germany;(4) General Innovations and Goods Inc., 2725 Floribunda Drive, Columbus, OH 43209, USA; |
| Abstract: | The dielectric nonlinearity and pyroeffect in matrix composite based on porous glass with inclusions of sodium nitrite are investigated. It is found that the composite polarization turns to zero at a temperature below that of the phase transition in the bulk NaNO2. The obtained dependence of the pyrocoefficient on temperature also corroborates the existence of the phase transition in sodium nitrite nanoparticles included in the porous matrix. |
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