Structure of Ge(111) Surfaces Obtained by Cleavage in Superhigh Vacuum at Low Temperatures

Early low-temperature LEED results for Ge(111) surfaces obtained by cleavage in vacuum ( approx 10 exp --10 torr) are reported. The atomic structure of Ge(111) surfaces is found to be essentially dependent on cleavage temperature. It has been established that temperature changes over the range 12-30...

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Veröffentlicht in:	Surface science 1981-09, Vol.117 (1-3), p.204-207
Hauptverfasser:	Aristov, V U, Golovko, N I, Grazhulis, V A, Ossipyan, Y U A, Talyanskii, V I
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creator	Aristov, V U Golovko, N I Grazhulis, V A Ossipyan, Y U A Talyanskii, V I
description	Early low-temperature LEED results for Ge(111) surfaces obtained by cleavage in vacuum ( approx 10 exp --10 torr) are reported. The atomic structure of Ge(111) surfaces is found to be essentially dependent on cleavage temperature. It has been established that temperature changes over the range 12-300K after cleavage have no effect on the surface structure. Upon cleavage at low temperature (T sub c = > 40-60K) cleavage, the Ge(111)-2 x 1 pattern is found. 8 ref.--AA
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title	Structure of Ge(111) Surfaces Obtained by Cleavage in Superhigh Vacuum at Low Temperatures
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