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Authors: Ortlieb, Erhard
Schad, Hanspeter
Lassmann, Kurt
Title: Ultrasonic attenuation due to resonant interaction with a distribution of level splittings of the ground state of shallow acceptors in Ge
Issue Date: 1976 Zeitschriftenartikel Solid State Communications 19 (1976), S. 599-601. URL
Abstract: The ultrasonic attenuation in Ge (Ga, In) has been measured in the frequency range from 500 MHz to 2.5 GHz, and from room temperature down to 1 K. Below 10 K the attenuation rises as ω2/T. For the first time saturation of the attenuation has been observed for ground state of a shallow acceptor. These results can be interpreted as due to resonance interaction with level splittings of a broad distribution with width of about 0.1 meV.
Appears in Collections:14 Externe wissenschaftliche Einrichtungen

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