Papers by Keyword: Scanning Tunneling Microscopy

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Authors: Jaroslaw Dąbrowski, Hans Joachim Müssig, G. Wolff, Waleran Arabczyk, S. Hinrich
497
Authors: Masaru Shimomura, Keisuke Ota
Abstract: Adsorption of pyrrole on the Si(111)-7×7 surface was investigated using scanning tunneling microscopy (STM). Template-induced molecular corral structure was observed at room temperature though the N-H bond cleavage. At the substrate temperature of 130 °C, the pyrrolyl adsorbates were observed by STM with reserving the 7×7 substrate. However, the self-assembly of the molecular corral structure was disarranged at 130 °C. Then, pyrrolyl group was decomposed or desorbed from the surface at the substrate temperature of 200 °C. The defect-induced attachment of pyrrole was also observed.
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Authors: J.M. Olive, Vincent Vignal, D. Desjardins
241
Authors: J. Bernhardt, A. Seubert, M. Nerding, Ulrich Starke, A. Heinz
345
Authors: S. Gwo, S. Miwa, H. Ohno, Jun Fei Fan, H. Tokumoto
1949
Authors: Tamara Rozouvan, Igor Shaykevich, Stanislav Rozouvan
Abstract: Semiconductor and metal carbon nanotubes were studied by scanning tunneling microscopy (STM) and spectral ellipsometry. STM measurements with spatial resolution up to 0.15 nm reveal spatially complicated structure of semiconductor nanotube-substrate interface layer. The measurements also registered graphene nanoclusters with hexagonal rings structure on copper. Quantum mechanical numerical calculations of electron density were performed on a carbon nanotube containing 40 atoms.
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Authors: J. Gebauer, Reinhard Krause-Rehberg, C. Domke, Ph. Ebert, K. Urban
494
Authors: V. Derycke, P. Fonteneau, V.Yu. Aristov, H. Enriquez, P. Soukiassian
235
Authors: Konstantin V. Nefedev, Vitalii Kapitan
Abstract: The critical phenomena on cobalt monolayer films were studied by means of computersimulation. Proposed approach on the base of data of scanning tunneling microscopy gives possibilityestimate of critical concentration needed for concentration transition into ferromagnetic state. Assumptionabout presence of critical switching field allowed simulated hysteresis loops for given 1.5,2.0, 2.5 and 3.0 ML cobalt samples in frame of Ising model, which ones have qualitative agreementwith magnetometric data.
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