Electron spin resonance of aluminum-related color centers in α-TeO2

Al

A. Watterich, R. H. Bartram, O. R. Gilliam, L. A. Kappers, G. J. Edwards, R. Voszka, I. Cravero

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

ESR observations of aluminum-doped paratellurite (α-TeO2:Al) single crystals after electron irradiation near room temperature indicate four radiation-induced electron-like defects with similarities to the intrinsic Vo. center, which is also present. From measurements of angular variations and tellurium hyperfine interactions it is evident that the four centers represent a family of Vo. centers perturbed by Al3+; that is, VoAlTex centers. The new centers are detected only in Al-doped crystals; however, the aluminum impurity ions appear to be too far from the Vo. to yield 27Al hyperfine interaction measurable by ESR.

Original languageEnglish
Pages (from-to)987-991
Number of pages5
JournalJournal of Physics and Chemistry of Solids
Volume47
Issue number10
DOIs
Publication statusPublished - 1986

Fingerprint

Color centers
color centers
Aluminum
Paramagnetic resonance
electron paramagnetic resonance
Tellurium
aluminum
Electron irradiation
Single crystals
Impurities
Ions
Radiation
Defects
Crystals
Electrons
electron irradiation
tellurium
doped crystals
Temperature
interactions

Keywords

  • aluminum-doped paratellurite (α-TeO:Al)
  • Electron spin resonance
  • radiation damage

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Watterich, A., Bartram, R. H., Gilliam, O. R., Kappers, L. A., Edwards, G. J., Voszka, R., & Cravero, I. (1986). Electron spin resonance of aluminum-related color centers in α-TeO2: Al. Journal of Physics and Chemistry of Solids, 47(10), 987-991. https://doi.org/10.1016/0022-3697(86)90113-7

Electron spin resonance of aluminum-related color centers in α-TeO2 : Al. / Watterich, A.; Bartram, R. H.; Gilliam, O. R.; Kappers, L. A.; Edwards, G. J.; Voszka, R.; Cravero, I.

In: Journal of Physics and Chemistry of Solids, Vol. 47, No. 10, 1986, p. 987-991.

Research output: Contribution to journalArticle

Watterich, A, Bartram, RH, Gilliam, OR, Kappers, LA, Edwards, GJ, Voszka, R & Cravero, I 1986, 'Electron spin resonance of aluminum-related color centers in α-TeO2: Al', Journal of Physics and Chemistry of Solids, vol. 47, no. 10, pp. 987-991. https://doi.org/10.1016/0022-3697(86)90113-7
Watterich, A. ; Bartram, R. H. ; Gilliam, O. R. ; Kappers, L. A. ; Edwards, G. J. ; Voszka, R. ; Cravero, I. / Electron spin resonance of aluminum-related color centers in α-TeO2 : Al. In: Journal of Physics and Chemistry of Solids. 1986 ; Vol. 47, No. 10. pp. 987-991.
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AB - ESR observations of aluminum-doped paratellurite (α-TeO2:Al) single crystals after electron irradiation near room temperature indicate four radiation-induced electron-like defects with similarities to the intrinsic Vo. center, which is also present. From measurements of angular variations and tellurium hyperfine interactions it is evident that the four centers represent a family of Vo. centers perturbed by Al3+; that is, VoAlTex centers. The new centers are detected only in Al-doped crystals; however, the aluminum impurity ions appear to be too far from the Vo. to yield 27Al hyperfine interaction measurable by ESR.

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