O--LiZn centers in Li-doped ZnWO4 single crystals characterized by ESR and ENDOR spectroscopy

A. Watterich, A. Hofstaetter

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

In ZnWO4 : Li single crystal a hole-type defect attributed to an O- ion has been observed by ESR and ENDOR spectroscopy after X-irradiation at 77 K. ENDOR results prove that this O- ion is associated with a nearby Li ion and therefore the center is denoted as the O--LiZn center. This defect is a lower symmetry version of the [Li]0 center known in simple oxides. The close relationship of the principal values and eigenvectors of the g̃ tensor of the O--LiZn center to those of previously reported hole centers in ZnWO4 supports the models of those centers as well.

Original languageEnglish
Pages (from-to)357-362
Number of pages6
JournalSolid State Communications
Volume105
Issue number6
Publication statusPublished - Feb 1998

Fingerprint

doped crystals
Paramagnetic resonance
Single crystals
Spectroscopy
Ions
single crystals
spectroscopy
Defects
Eigenvalues and eigenfunctions
Oxides
Tensors
Irradiation
ions
defects
eigenvectors
tensors
irradiation
oxides
symmetry

Keywords

  • A. insulators
  • C. point defects
  • D. radiation effects
  • F. electron paramagnetic resonance

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

O--LiZn centers in Li-doped ZnWO4 single crystals characterized by ESR and ENDOR spectroscopy. / Watterich, A.; Hofstaetter, A.

In: Solid State Communications, Vol. 105, No. 6, 02.1998, p. 357-362.

Research output: Contribution to journalArticle

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AB - In ZnWO4 : Li single crystal a hole-type defect attributed to an O- ion has been observed by ESR and ENDOR spectroscopy after X-irradiation at 77 K. ENDOR results prove that this O- ion is associated with a nearby Li ion and therefore the center is denoted as the O--LiZn center. This defect is a lower symmetry version of the [Li]0 center known in simple oxides. The close relationship of the principal values and eigenvectors of the g̃ tensor of the O--LiZn center to those of previously reported hole centers in ZnWO4 supports the models of those centers as well.

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