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231224s2016 xx ||||| 00| ||eng c |
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Winkler, Adolf
|e verfasserin
|4 aut
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|a On the nucleation and initial film growth of rod-like organic molecules
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|c 2016
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Revised 08.01.2025
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a In this article, some fundamental topics related to the initial steps of organic film growth are reviewed. General conclusions will be drawn based on experimental results obtained for the film formation of oligophenylene and pentacene molecules on gold and mica substrates. Thin films were prepared via physical vapor deposition under ultrahigh-vacuum conditions and characterized in-situ mainly by thermal desorption spectroscopy, and ex-situ by X-ray diffraction and atomic force microscopy. In this short review article the following topics will be discussed: What are the necessary conditions to form island-like films which are either composed of flat-lying or of standing molecules? Does a wetting layer exist below and in between the islands? What is the reason behind the occasionally observed bimodal island size distribution? Can one describe the nucleation process with the diffusion-limited aggregation model? Do the impinging molecules directly adsorb on the surface or rather via a hot-precursor state? Finally, it will be described how the critical island size can be determined by an independent measurement of the deposition rate dependence of the island density and the capture-zone distribution via a universal relationship
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|a Journal Article
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|a Critical island size
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|a Nucleation
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|a Organic molecules
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| 650 |
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|a Thin films
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| 773 |
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|i Enthalten in
|t Surface science
|d 1997
|g 652(2016) vom: 16. Okt., Seite 367-377
|w (DE-627)NLM098126490
|x 0039-6028
|7 nnns
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| 773 |
1 |
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|g volume:652
|g year:2016
|g day:16
|g month:10
|g pages:367-377
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|h 367-377
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