Electrical conductivity and domain wall motion in proton-irradiated KH2PO4

Cheol Eui Lee; Se Hun Kim

doi:10.1016/j.ceramint.2017.05.287

Electrical conductivity and domain wall motion in proton-irradiated KH₂PO₄

Cheol Eui Lee
, Se Hun Kim^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

We studied the electrical conductivity associated with the domain wall motion in proton-irradiated KH₂PO₄ below room temperature. The temperature dependence of the power-law exponent n in the frequency-dependent electrical conductivity of anisotropic systems caused changes in the structural phase transition temperature T _c that are most likely of a second and weak first order in the transverse and longitudinal direction, respectively. This exponent reflects the electrical conduction, which is activated through the correlation with the domain wall motion in the low-temperature range.

Original language	English
Journal	Ceramics International
DOIs	https://doi.org/10.1016/j.ceramint.2017.05.287
Publication status	Accepted/In press - 2017

Keywords

Defects
Dielectric properties
Electrical conductivity
Spectroscopy

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Process Chemistry and Technology
Surfaces, Coatings and Films
Materials Chemistry

Access to Document

10.1016/j.ceramint.2017.05.287

Cite this

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title = "Electrical conductivity and domain wall motion in proton-irradiated KH2PO4 ",

abstract = "We studied the electrical conductivity associated with the domain wall motion in proton-irradiated KH2PO4 below room temperature. The temperature dependence of the power-law exponent n in the frequency-dependent electrical conductivity of anisotropic systems caused changes in the structural phase transition temperature T c that are most likely of a second and weak first order in the transverse and longitudinal direction, respectively. This exponent reflects the electrical conduction, which is activated through the correlation with the domain wall motion in the low-temperature range.",

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AU - Lee, Cheol Eui

AU - Kim, Se Hun

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AB - We studied the electrical conductivity associated with the domain wall motion in proton-irradiated KH2PO4 below room temperature. The temperature dependence of the power-law exponent n in the frequency-dependent electrical conductivity of anisotropic systems caused changes in the structural phase transition temperature T c that are most likely of a second and weak first order in the transverse and longitudinal direction, respectively. This exponent reflects the electrical conduction, which is activated through the correlation with the domain wall motion in the low-temperature range.

KW - Defects

KW - Dielectric properties

KW - Electrical conductivity

KW - Spectroscopy

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