Abstract
A linear Stark effect of theR center is observed by studying theR 2 zero-phonon line in X-irradiated LiF crystals in high electric fields. A detailed description of the experimental equipment is given. The Stark effect is investigated under various conditions of field direction, field strength and temperature. The changes of theR 2 zero-phonon line, caused by the electric field, are analysed by means of the method of moments. The results are consistent with the theory forE→A transitions in a center withC 3v -symmetry. By cooling the samples from 4.2 to 1.7 °K the zero-field splitting of theR center ground state was found to be <2 cm−1.
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Darmstädter Dissertation (D 17, gekürzt).
Herrn Prof. Dr. W. Waidelich möchte ich herzlich für die Themenstellung und für die vielseitige Unterstützung bei der Durchführung der Arbeit danken. Den Herren Priv.-Doz. Dr. W. von der Osten und Dr. F. Lanzl danke ich für die vielen anregenden Diskussionen, die im Zusammenhang mit dieser Arbeit standen.
Der Deutschen Forschungsgemeinschaft schulde ich Dank für die Überlassung von Leihgaben.
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Johannson, G. Linearer Stark-Effekt desR-Zentrums in LiF. Z. Physik 228, 222–234 (1969). https://doi.org/10.1007/BF01392129
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DOI: https://doi.org/10.1007/BF01392129