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Hyperfine Interactions

, Volume 14, Issue 2, pp 119–123 | Cite as

TDPAC Measurement of the quadrupole interaction of77Se in arsenic

  • S. Unterricker
  • F. Schneider
Article

Abstract

By TDPAC the quadrupole coupling constant for77Se (5/2, 248 keV, 9.3 ns) in metallic arsenic was measured to be υQ = 700 ± 60 MHz. The tabulation of electric field gradients (EFGs) for some different sp impurity host combinations shows large values for impurities with 6 valence electrons. If we assume that the selenium impurity is substituted in arsenic, then it is possible to interpret the very high υQ by the assumption of a big EFG and a large quadrupole moment (approximately 1 b) of the excited77Se nucleus.

Keywords

Thin Film Arsenic Selenium Field Gradient Valence Electron 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© J.C. Baltzer Scientific Publishing Company 1983

Authors and Affiliations

  • S. Unterricker
    • 1
  • F. Schneider
    • 1
  1. 1.Sektion PhysikBergakademic FreibergFreiberg (Sacha)GDR

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