Quantum Size Effect Driven Structure Modifications of Bi Films on Ni(111)

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Bollmann, Tjeerd R.J. and Gastel van, Raoul and Zandvliet, Harold J.W. and Poelsema, Bene (2011) Quantum Size Effect Driven Structure Modifications of Bi Films on Ni(111). Physical Review Letters, 107 (17). p. 176102. ISSN 0031-9007

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Abstract:The quantum-size effect (QSE) driven growth of Bi film structures on Ni(111) was studied in situ using low energy electron microscopy and selective area low energy electron diffraction (μLEED). Domains with a (3×3), [3/1 -1/2], and (7×7) film structure are found with a height of 3, 5, and 7 atomic layers, respectively. A comparison of I/V-μLEED curves with tensor LEED calculations shows perfectly accommodated Fermi wavelengths, indicative that not only the quantized height, but also the film structure is driven by QSE.

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Copyright:© American Physical Society
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Link to this item:http://purl.utwente.nl/publications/80440
Official URL:http://dx.doi.org/10.1103/PhysRevLett.107.176102
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