LOCALIZED VIBRATIONAL MODES OF Li AND P IMPURITIES IN GERMANIUM
- 1 November 1967
- journal article
- conference paper
- Published by AIP Publishing in Applied Physics Letters
- Vol. 11 (9) , 279-281
- https://doi.org/10.1063/1.1755134
Abstract
Infrared absorption bands due to localized vibrational modes of impurities in germanium are observed at liquid‐nitrogen temperature. One pair of bands shows a Li isotope shift from frequencies of 356 cm−1 and 380 cm−1 with 7Li to 379 cm−1 and 405 cm−1 with 6Li; these are attributed to Li paired with Ga. Two bands are associated with the phosphorus: one, at 343 cm−1, is attributed to isolated substitutional phosphorus; the other, at 350 cm−1, is attributed to P–Ga pairs.Keywords
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