Identifying the electronic properties of the Ge(111)-(2×1) surface by low-temperature scanning tunneling microscopy |
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| Authors: | P. I. Arseyev N. S. Maslova V. I. Panov S. V. Savinov C. Van Haesendonck |
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| Affiliation: | (1) Lebedev Physical Institute, Russian Academy of Sciences, Moscow, 119991, Russia;(2) Faculty of Physics, Moscow State University, Moscow, 119992, Russia;(3) Laboratory of Solid-State Physics and Magnetism, K.U. Leuven, B-3001 Leuven, Belgium |
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| Abstract: | We present the results of our low-temperature scanning tunneling microscopy (STM) investigation of the clean Ge(111) surface. Our experiments enable, for the first time, STM observation of one-dimensional surface screening around surface defects. We identify the dominating role of surface states in the low-temperature STM imaging as well as the important influence of nonequilibrium kinetics on the measured tunneling spectra. |
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