Ferroelectricity

Stabilization of the polar phase of potassium nitrate, embedded in a nanoporous barium titanate matrix

S. V. Baryshnikov, A. Yu. Milinskiy

Blagoveshchensk State Pedagogical University, Blagoveshchensk, Russia

Abstract: The temperature dependences of the linear and nonlinear dielectric properties of a nanocomposite, based on porous ceramics of barium titanate BaTiO$_3$ with embedded potassium nitrate KNO$_3$, were obtained. It was found that potassium nitrate, embedded in pores, exhibits stabilization of the ferroelectric state at room temperature. The stabilization of the KNO$_3$ polar phase is explained by the presence of significant electric fields in the pores of the ceramic.

Keywords: ferroelectric, nanocomposite, potassium nitrate, phase transitions.

Received: 22.04.2024
Revised: 22.04.2024
Accepted: 24.04.2024

DOI: 10.61011/FTT.2024.05.58080.98

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