Anisotropic domain-wall dynamics in proton-irradiated KH2PO4

S. H. Kim, B. H. Oh, J. H. Han, Cheol Eui Lee, J. Y. Choi, K. D. Hahn, C. Y. Jang, B. H. Youn, J. Kim

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


KH2PO4 single crystals have been studied by employing complex impedance measurements in view of the domain freezing effect. As a result, distinct behaviors of the anisotropic domain-wall dynamics in the activation energy of domain freezing and the Vogel-Fulcher temperature before and after proton irradiation have been identified in the anisotropic crystal structure.

Original languageEnglish
Pages (from-to)1307-1309
Number of pages3
JournalCurrent Applied Physics
Issue number6
Publication statusPublished - 2009 Nov

Bibliographical note

Funding Information:
This work was supported by the Korea Ministry of Education, Science and Technology (KRF-2007-314-C00129 and KRF-2004-005-D00057, User Program of Proton Engineering Frontier Project, National Research Laboratory R0A-2008-000-20066-0). We thank Dr. H.-J. Woo at the Korea Institute of Geoscience and Mineral Resources (KIGAM) for the proton-beam irradiation. The measurements at the Korean Basic Science Institute (KBSI) are acknowledged.


  • Anisotropic domain dynamics
  • KHPO
  • Proton irradiation

ASJC Scopus subject areas

  • General Materials Science
  • General Physics and Astronomy


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