STM/STS investigation of carbon nanotubes deposited on Bi2Te3 surface |
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| Authors: | Maciej Bazarnik Maciej Cegiel Piotr Biskupski Monika Jazdzewska S??awomir Mielcarek Ma??gorzata Sliwinska-Bartkowiak Ryszard Czajka |
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| Affiliation: | (1) Institute of Physics, Faculty of Technical Physics, Poznań University of Technology, Nieszawska 13A, 60-965 Poznań, Poland;(2) Institute of Physics, Faculty of Physics, A. Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland |
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| Abstract: | This paper reports our scanning tunneling microscopy and spectroscopy (STM/STS) study of double-walled and multi-walled carbon nanotubes (CNTs) of different diameter deposited on Bi2Te3 (narrow gap semiconductor). The approximate diameter of the studied double-walled and multi-walled CNTs was 2 nm and 8 nm, respectively. Crystalline Bi2Te3 was used as a substrate to enhance the contrast between the CNTs and the substrate in the STS measurements performed to examine peculiarities of CNT morphology, such as junctions, ends or structural defects, in terms of their electronic structure. |
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| Keywords: | carbon nanotubes STM/STS Bi2Te3 |
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