Abstract
A nanocomposite chrysotile-KDP (KH2PO4) was prepared. KDP was introduced into empty nanochannels of chrysotile asbestos with diameters of ∼5 nm. Thermal conductivity κ and heat capacity at a constant pressure C p of the samples of chrysotile asbestos and nanocomposite chrysotile asbestos-KDP were measured in a temperature range of 80–300 K. Based on the analysis of the behavior of temperature dependences κ(T) and C p (T) of the composite, temperatures of the ferroelectric transition T F for KDP in nanochannels of chrysotile asbestos were determined. It turned out to be equal to ∼250 K at T F ∼ 122 K for massive KDP samples.
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Original Russian Text © Yu.A. Kumzerov, N.F. Kartenko, L.S. Parfen’eva, I.A. Smirnov, A.V. Fokin, D. Wlosewicz, H. Misiorek, A. Jezowski, 2011, published in Fizika Tverdogo Tela, 2011, Vol. 53, No. 5, pp. 1033–1036.
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Kumzerov, Y.A., Kartenko, N.F., Parfen’eva, L.S. et al. Capacity and thermal conductivity of a nanocomposite chrysolite asbestos-KDP (KH2PO4). Phys. Solid State 53, 1099–1103 (2011). https://doi.org/10.1134/S1063783411050167
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DOI: https://doi.org/10.1134/S1063783411050167