From a free electron gas to confined states: A mixed island of PTCDA and copper phthalocyanine on Ag(111)

URN to cite this document:: urn:nbn:de:bvb:355-epub-534800
DOI to cite this document:: 10.5283/epub.53480

Weymouth, Alfred J.

; Roche, Emily ; Giessibl, Franz J.

License: Creative Commons Attribution 4.0
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Date of publication of this fulltext: 23 Dec 2022 12:06

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Abstract

When perylene-3,4,9,10-tetracarboxylic dianhydride (PTCDA) is deposited on the Ag(111) surface at submonolayer coverage, it forms islands under which the native Shockley state of the Ag(111) surface can no longer be found. Previous work has shown that this state shifts upwards to form a new interface state starting at 0.6 V above the Fermi level, having properties of a two-dimen-sional electron ...