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Nonlinear Dielectric Response of Nanocomposites Based on Potassium Dihydrogen Phosphate


Alexey Milinskii, Sergey Baryshnikov, Vladimir Parfenov, Svetlana Kozola, Nguyen Hoai Thuong*

Source title: 
Transactions on Electrical and Electronic Materials, 19(3): 201-205, 2018 (Scopus)
Academic year of acceptance: 

Nonlinear properties of nanocomposites based on KH2PO4 embedded in nanosized silica matrices with pore sizes of 2.6 and 3.8 nm were investigated. It was found that the structural phase transition temperature for KH2PO4 nanoparticles was higher than that for bulk KH2PO4. Investigations of temperature dependence of the second (χ2 )- and third (χ3 )-order dielectric susceptibilities showed the presence of nonlinear properties in the paraelectric phase for the bulk and nanocomposite samples.