Dielectric properties of ferroelectric diisopropylammonium iodide embedded in porous glass

The results of a study of the permittivity ε΄ and the third harmonic coefficient γ 3ω of diisopropylammonium iodide (DIPAI), embedded in porous glass with a pore size of ∼100 nm, are presented. For DIPAI in pores, the temperature of the lower phase transition upon heating increases by 5 K, compared...

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Bibliographic Details
Published in:Ferroelectrics 2021-05, Vol.575 (1), p.56-63
Main Authors: Milinskiy, A. Yu, Baryshnikov, S. V., Charnaya, E. V., Egorova, I. V.
Format: Article
Language:English
Subjects:
Dielectric properties
Electrical properties
Ferroelectric composites
Ferroelectricity
Iodides
Melting point
Melting points
permittivity
Phase transitions
Pore size
size effects
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Summary:The results of a study of the permittivity ε΄ and the third harmonic coefficient γ 3ω of diisopropylammonium iodide (DIPAI), embedded in porous glass with a pore size of ∼100 nm, are presented. For DIPAI in pores, the temperature of the lower phase transition upon heating increases by 5 K, compared to bulk DIPAI, and is 368 ± 1 K. The upper phase transition is not observed up to 450 K, which is close to the melting point of DIPAI (∼453 K). Upon cooling, one phase transition is observed at a temperature of 364 ± 1 K.
ISSN:0015-0193
1563-5112
DOI:10.1080/00150193.2021.1888227