Disordering of an organic overlayer on a metal surface upon cooling

Science
A SchöllR H Fink

Abstract

Inverse melting or disordering, in which the disordered phase forms upon cooling, is known for a few cases in bulk systems under high pressure. We show that inverse disordering also occurs in two dimensions: For a monolayer of 1,4,5,8-naphthalene-tetracarboxylic dianhydride on Ag(111), a completely reversible order-disorder transition appears upon cooling. The transition is driven by strongly anisotropic interactions within the layer versus with the metal substrate. Spectroscopic data reveal changes in the electronic structure of the system corresponding to a strengthening of the interface bonding at low temperatures. We demonstrate that the delicate, temperature-dependent balance between the vertical and lateral forces is the key to understanding this unconventional phase transition.

References

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Citations

May 31, 2013·Nano Letters·Daniel WegnerNicolás Lorente
Feb 28, 2013·Nature Communications·M WiessnerF Reinert
Dec 15, 2015·The Journal of Physical Chemistry Letters·Dimas G de OteyzaJose Enrique Ortega
Jan 29, 2013·Chemistry : a European Journal·Sabine-Antonia SavuMaria Benedetta Casu
Apr 16, 2016·The Journal of Physical Chemistry. C, Nanomaterials and Interfaces·Nahid IlyasOliver L A Monti
Feb 27, 2020·Reports on Progress in Physics·Antoni Franco-CañellasFrank Schreiber
Oct 30, 2014·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Do-Hyun Kim
May 18, 2013·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Do-Hyun Kim
Mar 26, 2013·Physical Review Letters·L D SunP Zeppenfeld
Dec 12, 2012·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·C F SilvaC Lacroix
Mar 4, 2014·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·C V MoraisS G Magalhaes
May 17, 2012·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·C V MoraisS G Magalhaes
Jun 22, 2021·Angewandte Chemie·Simon AeschlimannAngelika Kühnle
Sep 12, 2020·ACS Applied Materials & Interfaces·Subhankar MandalSatyajit Hazra

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