Physics of the Solid State
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Stabilization of the polar phase of potassium nitrate, embedded in a nanoporous barium titanate matrix
Baryshnikov S.V. 1, Milinskiy A. Yu. 1
1Blagoveshchensk State Pedagogical University, Blagoveshchensk, Russia
Email: svbar2003@list.ru, a.milinskiy@mail.ru

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The temperature dependences of the linear and nonlinear dielectric properties of a nanocomposite, based on porous ceramics of barium titanate BaTiO3 with embedded potassium nitrate KNO3, were obtained. It was found that potassium nitrate, embedded in pores, exhibits stabilization of the ferroelectric state at room temperature. The stabilization of the KNO3 polar phase is explained by the presence of significant electric fields in the pores of the ceramic. Keywords: ferroelectric, nanocomposite, potassium nitrate, phase transitions.
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