High-energy proton-irradiation effects on the charge transport and electric dipole moment of KH2PO4

Eunhye Chang; Jin Jung Kweon; Jun Kue Park; J. H. Han; E. H. Choi; Cheol Eui Lee

doi:10.1016/j.cap.2014.03.003

High-energy proton-irradiation effects on the charge transport and electric dipole moment of KH₂PO₄

Eunhye Chang, Jin Jung Kweon, Jun Kue Park, J. H. Han, E. H. Choi, Cheol Eui Lee

Department of Physics

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

6 Citations (Scopus)

Abstract

We have studied the charge transport and dielectric properties of KH ₂PO₄ (KDP) single crystals, irradiated by proton beams with high energies up to 20 MeV, by means of the temperature-dependent electrical conductivity and dielectric constant measurements. It is shown that the electrical conductivity and the electric dipole moment may be sensitively controlled by the proton irradiation energy and dose. The activation energy and the dipole moment were shown to be strongly correlated.

Original language	English
Pages (from-to)	805-808
Number of pages	4
Journal	Current Applied Physics
Volume	14
Issue number	5
DOIs	https://doi.org/10.1016/j.cap.2014.03.003
Publication status	Published - 2014 May

Keywords

Dielectric constant measurements
Electrical conductivity
Proton-irradiation effects

ASJC Scopus subject areas

Materials Science(all)
Physics and Astronomy(all)

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title = "High-energy proton-irradiation effects on the charge transport and electric dipole moment of KH2PO4",

abstract = "We have studied the charge transport and dielectric properties of KH 2PO4 (KDP) single crystals, irradiated by proton beams with high energies up to 20 MeV, by means of the temperature-dependent electrical conductivity and dielectric constant measurements. It is shown that the electrical conductivity and the electric dipole moment may be sensitively controlled by the proton irradiation energy and dose. The activation energy and the dipole moment were shown to be strongly correlated.",

keywords = "Dielectric constant measurements, Electrical conductivity, Proton-irradiation effects",

author = "Eunhye Chang and Kweon, {Jin Jung} and Park, {Jun Kue} and Han, {J. H.} and Choi, {E. H.} and Lee, {Cheol Eui}",

note = "Funding Information: This work was supported by the National Research Foundation of Korea (Cyclotron Users Program 2012029495 , 2013057555 , and NRF-2010-0027963 ). The measurements at the Korean Basic Science Institute (KBSI) are acknowledged. Copyright: Copyright 2014 Elsevier B.V., All rights reserved.",

year = "2014",

month = may,

doi = "10.1016/j.cap.2014.03.003",

language = "English",

volume = "14",

pages = "805--808",

journal = "Current Applied Physics",

issn = "1567-1739",

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T1 - High-energy proton-irradiation effects on the charge transport and electric dipole moment of KH2PO4

AU - Chang, Eunhye

AU - Kweon, Jin Jung

AU - Park, Jun Kue

AU - Han, J. H.

AU - Choi, E. H.

AU - Lee, Cheol Eui

N1 - Funding Information: This work was supported by the National Research Foundation of Korea (Cyclotron Users Program 2012029495 , 2013057555 , and NRF-2010-0027963 ). The measurements at the Korean Basic Science Institute (KBSI) are acknowledged. Copyright: Copyright 2014 Elsevier B.V., All rights reserved.

PY - 2014/5

Y1 - 2014/5

N2 - We have studied the charge transport and dielectric properties of KH 2PO4 (KDP) single crystals, irradiated by proton beams with high energies up to 20 MeV, by means of the temperature-dependent electrical conductivity and dielectric constant measurements. It is shown that the electrical conductivity and the electric dipole moment may be sensitively controlled by the proton irradiation energy and dose. The activation energy and the dipole moment were shown to be strongly correlated.

AB - We have studied the charge transport and dielectric properties of KH 2PO4 (KDP) single crystals, irradiated by proton beams with high energies up to 20 MeV, by means of the temperature-dependent electrical conductivity and dielectric constant measurements. It is shown that the electrical conductivity and the electric dipole moment may be sensitively controlled by the proton irradiation energy and dose. The activation energy and the dipole moment were shown to be strongly correlated.

KW - Dielectric constant measurements

KW - Electrical conductivity

KW - Proton-irradiation effects

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