Disordering of an organic overlayer on a metal surface upon cooling
Schoell A, Kilian L, Zou Y, Ziroff J, Hame S, Reinert F, Umbach E, Fink R (2010)
Publication Type: Journal article, Original article
Publication year: 2010
Journal
Original Authors: Schöll A., Kilian L., Zou Y., Ziroff J., Hame S., Reinert F., Umbach E., Fink R.H.
Publisher: American Association for the Advancement of Science
Book Volume: 329
Pages Range: 303-305
Journal Issue: 5989
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.
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Germany (DE)How to cite
APA:
Schoell, A., Kilian, L., Zou, Y., Ziroff, J., Hame, S., Reinert, F.,... Fink, R. (2010). Disordering of an organic overlayer on a metal surface upon cooling. Science, 329(5989), 303-305. https://doi.org/10.1126/science.1189106
MLA:
Schoell, A., et al. "Disordering of an organic overlayer on a metal surface upon cooling." Science 329.5989 (2010): 303-305.
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