Far-infrared optical properties of quenched germanium. II: Magnetic field effects

The far-infrared absorption spectra of quenched germanium were measured with the magnetic field parallel to the and crystallographic orientations. The ground states of both SA 1 and SA 2 acceptors, which are observed among the quenched-in acceptors, are split into two levels corresponding to states...

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Bibliographic Details
Published in:Japanese Journal of Applied Physics 1985-06, Vol.24 (6), p.689-698
Main Authors: HATTORI, T, KURATA, T, FUJII, E, MITSUISHI, A, KAMIURA, Y
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetooptical effects
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of bulk materials and thin films
Physics
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Summary:The far-infrared absorption spectra of quenched germanium were measured with the magnetic field parallel to the and crystallographic orientations. The ground states of both SA 1 and SA 2 acceptors, which are observed among the quenched-in acceptors, are split into two levels corresponding to states with quantum numbers of ±1/2 and ±3/2. It is concluded that D and C bands, the absorption bands for the acceptors, are due to transitions from the \varGamma 8 + ground state to the \varGamma 8 - and \varGamma 7 - excited states, respectively. The quantum numbers of the Zeeman splitting states concerning the transitions of the D and C bands and the g -factors of these excited states for SA 1 and SA 2 acceptors were determined. The Zeeman splitting of the ground state is negligible compared with those of the excited states.
ISSN:0021-4922
1347-4065
DOI:10.1143/jjap.24.689