000019536 001__ 19536 000019536 005__ 20230426083031.0 000019536 0247_ $$2DOI$$a10.1103/PhysRevB.84.195440 000019536 0247_ $$2WOS$$aWOS:000296866000012 000019536 0247_ $$2Handle$$a2128/10888 000019536 037__ $$aPreJuSER-19536 000019536 041__ $$aeng 000019536 082__ $$a530 000019536 084__ $$2WoS$$aPhysics, Condensed Matter 000019536 1001_ $$0P:(DE-Juel1)VDB73518$$aSoubatch, S.$$b0$$uFZJ 000019536 245__ $$aStructure and growth of tetracene on Ag(111) 000019536 260__ $$aCollege Park, Md.$$bAPS$$c2011 000019536 300__ $$a195440 000019536 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article 000019536 3367_ $$2DataCite$$aOutput Types/Journal article 000019536 3367_ $$00$$2EndNote$$aJournal Article 000019536 3367_ $$2BibTeX$$aARTICLE 000019536 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000019536 3367_ $$2DRIVER$$aarticle 000019536 440_0 $$04919$$aPhysical Review B$$v84$$x1098-0121$$y19 000019536 500__ $$3POF3_Assignment on 2016-02-29 000019536 500__ $$aWe thank M. Sokolowski (University of Bonn), B. Voigtlander (Forschungszentrum Julich), G. Meyer (IBM Research, Zurich), and S. Folsch (Paul-Drude-Institute, Berlin) for helpful discussion. This work was partially supported by the Deutsche Forschungsgemeinschaft (DFG) via priority program 1121 "Organic field effect transistors: structural and dynamic properties" and the project TA244. 000019536 520__ $$aThe structure of the tetracene/Ag(111) interface in the coverage range theta = 0 to 2.4 ML is studied with scanning tunneling microscopy (STM) at 8 K and with low energy electron diffraction (LEED) at T = 300 ... 100 K. For theta less than or similar to 0.01 ML, one-dimensional (1D) diffusion of single molecules along < 01 (1) over bar >-directions is observed even at 8 K. For 0.1 ML < theta < 0.5 ML molecules are homogeneously distributed over the surface forming a disordered phase (static at T = 8 K, dynamic at T = 25 K), indicating a repulsive intermolecular interaction (delta-phase). For theta greater than or similar to 0.5 ML, local ordering in the commensurate gamma-phase is observed. Further increase of the coverage yields a compressed monolayer (ML) phase (theta = 1 ML) with point-on-line registry (alpha-phase). The interaction between molecules has been calculated with the force-field approach to rationalize the molecular packing motifs in the various phases. Under most circumstances molecule-molecule interactions are repulsive, in agreement with experimental findings. A simulation of the adsorption up to theta = 1 ML according to the random sequential adsorption (RSA) algorithm shows that the disorder-to-order transition from the delta- to gamma-phase occurs close to random close packing (RCP), theta = 0.5-0.6 ML. Since tetracene molecules are a two-dimensional (2D) representation of Onsager's hard rod model, this suggests that this phase transition is driven both energetically and entropically. For theta approximate to 2.23 ML a metastable bilayer phase with point-on-line coincidence is observed (beta-phase). The basic structural unit of this phase is a triplet of molecules that are tilted along the long molecular axis against each other; at least one of these molecules is tilted out of the surface plane. Within the beta-phase a superstructure of alternating rotation domains is observed. This superstructure has a period of 7.4 nm. The molecular packing in the beta-phase resembles the packing in the bulk crystal structure of tetracene, its formation can therefore be interpreted as incipient pseudomorphic growth of tetracene on Ag(111). However, pseudomorphic growth cannot be continued beyond the beta-phase. 000019536 536__ $$0G:(DE-Juel1)FUEK412$$2G:(DE-HGF)$$aGrundlagen für zukünftige Informationstechnologien$$cP42$$x0 000019536 542__ $$2Crossref$$i2011-11-09$$uhttp://link.aps.org/licenses/aps-default-license 000019536 588__ $$aDataset connected to Web of Science 000019536 650_7 $$2WoSType$$aJ 000019536 7001_ $$0P:(DE-Juel1)VDB93047$$aKröger, I.$$b1$$uFZJ 000019536 7001_ $$0P:(DE-Juel1)VDB77884$$aKumpf, C.$$b2$$uFZJ 000019536 7001_ $$0P:(DE-Juel1)128791$$aTautz, F.S.$$b3$$uFZJ 000019536 77318 $$2Crossref$$3journal-article$$a10.1103/physrevb.84.195440$$bAmerican Physical Society (APS)$$d2011-11-09$$n19$$p195440$$tPhysical Review B$$v84$$x1098-0121$$y2011 000019536 773__ $$0PERI:(DE-600)2844160-6$$a10.1103/PhysRevB.84.195440$$gVol. 84, p. 195440$$n19$$p195440$$q84<195440$$tPhysical review / B$$v84$$x1098-0121$$y2011 000019536 8567_ $$uhttp://dx.doi.org/10.1103/PhysRevB.84.195440 000019536 8564_ $$uhttps://juser.fz-juelich.de/record/19536/files/PhysRevB.84.195440.pdf$$yOpenAccess 000019536 8564_ $$uhttps://juser.fz-juelich.de/record/19536/files/PhysRevB.84.195440.gif?subformat=icon$$xicon$$yOpenAccess 000019536 8564_ $$uhttps://juser.fz-juelich.de/record/19536/files/PhysRevB.84.195440.jpg?subformat=icon-180$$xicon-180$$yOpenAccess 000019536 8564_ $$uhttps://juser.fz-juelich.de/record/19536/files/PhysRevB.84.195440.jpg?subformat=icon-700$$xicon-700$$yOpenAccess 000019536 8564_ $$uhttps://juser.fz-juelich.de/record/19536/files/PhysRevB.84.195440.pdf?subformat=pdfa$$xpdfa$$yOpenAccess 000019536 909CO $$ooai:juser.fz-juelich.de:19536$$pdnbdelivery$$pVDB$$pdriver$$popen_access$$popenaire 000019536 915__ $$0LIC:(DE-HGF)APS-112012$$2HGFVOC$$aAmerican Physical Society Transfer of Copyright Agreement 000019536 915__ $$0StatID:(DE-HGF)0510$$2StatID$$aOpenAccess 000019536 915__ $$0StatID:(DE-HGF)0010$$aJCR/ISI refereed 000019536 9141_ $$y2011 000019536 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)128791$$aForschungszentrum Jülich$$b3$$kFZJ 000019536 9131_ $$0G:(DE-Juel1)FUEK412$$aDE-HGF$$bSchlüsseltechnologien$$kP42$$lGrundlagen für zukünftige Informationstechnologien (FIT)$$vGrundlagen für zukünftige Informationstechnologien$$x0 000019536 9132_ $$0G:(DE-HGF)POF3-529H$$1G:(DE-HGF)POF3-520$$2G:(DE-HGF)POF3-500$$aDE-HGF$$bKey Technologies$$lFuture Information Technology - 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