Proton-beam irradiation effect in TlH2PO4

S. H. Kim, K. W. Lee, J. W. Jang, Cheol Eui Lee, Jin Young Choi, K. S. Lee, Joon Kim

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

We have investigated the hydrogen ion beam irradiation effect on TlH2PO4 (TDP) showing an antiferroelectric phase transition and a ferroelastic phase transition. The polycrystalline sample was irradiated by 1MeV hydrogen ion beams to a dose of 1015ions cm2. The x-ray diffraction pattern shows a lattice elongation along the hydrogen bond direction. According to H1 rotating frame nuclear magnetic resonance measurements, the activation energy increased above the antiferroelectric phase transition after proton beam irradiation from 0.41to0.57eV, indicative of hampered proton motions. The temperature-dependent P31 high resolution nuclear magnetic resonance isotropic chemical shift indicated a displacive change in the PO4 tetrahedra, and the linewidth showed a broadening after the proton irradiation.

Original languageEnglish
Article number214107
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume72
Issue number21
DOIs
Publication statusPublished - 2005 Dec 1

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Proton beams
proton beams
Protons
Phase transitions
Irradiation
hydrogen ions
Ion beams
irradiation
ion beams
Nuclear magnetic resonance
Magnetic resonance measurement
Proton irradiation
Hydrogen
nuclear magnetic resonance
proton irradiation
Chemical shift
tetrahedrons
Linewidth
Diffraction patterns
elongation

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Proton-beam irradiation effect in TlH2PO4. / Kim, S. H.; Lee, K. W.; Jang, J. W.; Lee, Cheol Eui; Choi, Jin Young; Lee, K. S.; Kim, Joon.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 72, No. 21, 214107, 01.12.2005.

Research output: Contribution to journalArticle

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