Observation of hydrogen localization induced by proton-beam stress in TlH2PO4

Doug Young Han, J. H. Han, Cheol Eui Lee, Kwang Sei Lee, Se Hun Kim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We have studied the microscopic structure of a proton-irradiated TlH2PO4 (TDP) sample under several temperature. The polycrystalline TDP sample was irradiated by a 1-MeV proton beam at a dose of 1015/cm2. In general, solid materials exhibit a proton strong dipolar interaction and anisotropic chemical shifts that cause spectral line broadening and thereby hinder the observation of the crystal structure. Therefore, in order to determine the hydrogen displacements in the hydrogen bonds, one must eliminate dipolar interactions and anisotropic chemical shifts by using a high-resolution technique. Our 1H combined rotation and multiple-pulse spectroscopy (CRAMPS) nuclear magnetic resonance (NMR) measurements indicate that the proton-irradiation stress causes a local strain change, implying the existence of a proton displacive component remaining on the structural modification of the O-H.O bonds.

Original languageEnglish
Pages (from-to)1862-1866
Number of pages5
JournalJournal of the Korean Physical Society
Volume57
Issue number61
DOIs
Publication statusPublished - 2010 Dec 1

Fingerprint

proton beams
chemical equilibrium
protons
hydrogen
proton irradiation
causes
line spectra
interactions
hydrogen bonds
dosage
nuclear magnetic resonance
crystal structure
high resolution
pulses
spectroscopy
temperature

Keywords

  • Combined rotation and multiple pulse spectroscopy
  • Hydrogen bond
  • Proton beam irradiation
  • TlHPO

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Observation of hydrogen localization induced by proton-beam stress in TlH2PO4 . / Han, Doug Young; Han, J. H.; Lee, Cheol Eui; Lee, Kwang Sei; Kim, Se Hun.

In: Journal of the Korean Physical Society, Vol. 57, No. 61, 01.12.2010, p. 1862-1866.

Research output: Contribution to journalArticle

Han, Doug Young ; Han, J. H. ; Lee, Cheol Eui ; Lee, Kwang Sei ; Kim, Se Hun. / Observation of hydrogen localization induced by proton-beam stress in TlH2PO4 In: Journal of the Korean Physical Society. 2010 ; Vol. 57, No. 61. pp. 1862-1866.
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AB - We have studied the microscopic structure of a proton-irradiated TlH2PO4 (TDP) sample under several temperature. The polycrystalline TDP sample was irradiated by a 1-MeV proton beam at a dose of 1015/cm2. In general, solid materials exhibit a proton strong dipolar interaction and anisotropic chemical shifts that cause spectral line broadening and thereby hinder the observation of the crystal structure. Therefore, in order to determine the hydrogen displacements in the hydrogen bonds, one must eliminate dipolar interactions and anisotropic chemical shifts by using a high-resolution technique. Our 1H combined rotation and multiple-pulse spectroscopy (CRAMPS) nuclear magnetic resonance (NMR) measurements indicate that the proton-irradiation stress causes a local strain change, implying the existence of a proton displacive component remaining on the structural modification of the O-H.O bonds.

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