Dielectric Properties of KNO3–NH4NO3 Crystalline Binary Mixtures


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Abstract

The temperature dependences of linear and nonlinear dielectric properties of potassium nitrate (KNO3) and crystalline binary mixtures (KNO3)1–x(NH4NO3)x (x = 0.025, 0.035, 0.05, 0.1) in the temperature interval 300–460 K have been investigated. An influence of the NH4NO3 impurity on the existence interval of the ferroelectric phase with increase of the impurity content has been detected. For x = 0.05 the ferroelectric phase is maintained down to room temperature.

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A. Yu. Milinskii

Blagoveshchensk State Pedagogical University

Author for correspondence.
Email: a_milinskiy@mail.ru
Russian Federation, Blagoveshchensk

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