Title:
Effect of restricted geometry on structural phase transitions in KH2PO4 and NH4H2PO4 crystals
Group publication title:
Creator:
Tarnavich, Vladislav ; Korotkov, Leonid ; Karaeva, Olja ; Naberezhnov, Alexander ; Rysiakiewicz-Pasek, Ewa
Contributor:
Gaj, Miron. Redakcja ; Urbańczyk, Wacław. Redakcja
Subject and Keywords:
optyka ; ferroelectrics ; antiferroelectrics ; composite materials ; porous glass ; phase transition ; dielectric permittivity
Description:
Optica Applicata, Vol. 40, 2010, nr 2, s. 305-309
Abstrakt:
The dielectric response of crystalline NH4H2PO4 and KH2PO4–SiO2 and NH4H2PO4–SiO2 composites prepared by embedding salts into porous glasses with the average pore diameter of 320 nm has been studied at the temperature range of 85–300 K. An increase of the structure phase transition temperatures in embedded salts has been observed, which is supposedly due to tensile deformations of embedded crystalline particles. The antiferroelectric phase transition in confined ADP particles becomes diffuse in the temperature region around 10 K.
Publisher:
Oficyna Wydawnicza Politechniki Wrocławskiej
Place of publication:
Date:
Resource Type:
Source:
<sygn. PWr A3481II> ; click here to follow the link ; click here to follow the link
Language:
Relation:
Optica Applicata ; Optica Applicata, Vol. 40, 2010 ; Optica Applicata, Vol. 40, 2010, nr 2 ; Politechnika Wrocławska. Wydział Podstawowych Problemów Techniki
Rights:
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