The influence of lysine on InP(001) surface ordering and nanowire growth

We report on high resolution photoelectron core level spectroscopy (HRCLS) and scanning tunnelling microscopy (STM) measurements of the decomposition of lysine adsorbed on InP(001) substrates. We find that components from the lysine can be present on the InP surface even after annealing to 600 degre...

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Bibliographic Details
Published in:Nanotechnology 2005-10, Vol.16 (10), p.2354-2359
Main Authors: Mikkelsen, A, Eriksson, J, Lundgren, E, Andersen, J N, Weissenrieder, J, Seifert, W
Format: Article
Language:English
Subjects:
Crystal structure
Crystalline materials
Engineering and Technology
Nano Technology
Nanoteknik
Scanning electron microscopy
Substrates
Teknik
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Summary:We report on high resolution photoelectron core level spectroscopy (HRCLS) and scanning tunnelling microscopy (STM) measurements of the decomposition of lysine adsorbed on InP(001) substrates. We find that components from the lysine can be present on the InP surface even after annealing to 600 degrees C and desorption of the native surface oxide. We further observe that while a crystalline surface phase can be observed on the epi-ready surface after annealing, the lysine treated surface still appears rough. We conclude that lysine residues inhibit the formation of a flat crystalline structure on the InP(001) surface. These results are discussed in terms of the lysine promotion of [001] nanowire growth.
ISSN:0957-4484
1361-6528
1361-6528
DOI:10.1088/0957-4484/16/10/060