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Design and performance of an in situ high vacuum STM in beam line at 15 UD pelletron accelerator

Singh, J.P.; Tripathi, A.; Ahuja, R.; Dutt, R.N.; Kanjilal, D.; Mehta, G.K.; Raychoudhuri, A.K.
Proceedings of the DAE solid state physics symposium. V. 422000

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AbstractAbstract

[en] The design, installation and performance of an in situ high vacuum STM in the materials science beam line of 15 UD tandem Pelletron accelerator, NSC are reported. The scanning tunneling microscope (STM) has imaged highly oriented pyrolytic graphite (HOPG) surfaces with atomic resolution. Local current-voltage spectroscopy has also been performed on p-type Si (111) samples. A band gap of 1.09 ± 0.1 eV was calculated. (author)

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Mukhopadhyay, R.; Yusuf, S.M. (Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai (India)) (eds.); Godwal, B.K. (ed.) (High Pressure Physics Division, Bhabha Atomic Research Centre, Mumbai (India)); 722 p; ISBN 81 7371 295 6;