A chemically inert Rashba split interface electronic structure of C sub(60), FeOEP and PTCDA on BiAg sub(2)/Ag(111) substrates

The fields of organic electronics and spintronics have the potential to revolutionize the electronics industry. Finding the right materials that can retain their electrical and spin properties when combined is a technological and fundamental challenge. We carry out the study of three archetypal orga...

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Published inNew journal of physics Vol. 16; pp. 1 - 14
Main Authors Cottin, Maren C, Lobo-Checa, Jorge, Schaffert, Johannes, Bobisch, Christian A, Moller, Rolf, Ortega, J Enrique, Walter, Andrew L
Format Journal Article
LanguageEnglish
Published 01.04.2014
Subjects
Buckminsterfullerene
Charging
Contact
Electric contacts
Electronics
Fullerenes
Inert
Screening
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Summary:The fields of organic electronics and spintronics have the potential to revolutionize the electronics industry. Finding the right materials that can retain their electrical and spin properties when combined is a technological and fundamental challenge. We carry out the study of three archetypal organic molecules in intimate contact with the BiAg sub(2) surface alloy. We show that the BiAg sub(2) alloy is an especially suited substrate due to its inertness as support for molecular films, exhibiting an almost complete absence of substrate-molecular interactions. This is inferred from the persistence of a completely unaltered giant spin-orbit split surface state of the BiAg sub(2) substrate, and from the absence of significant metallic screening of charged molecular levels in the organic layer. Spin-orbit split states in BiAg sub(2) turn out to be far more robust to organic overlayers than previously thought.
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ISSN:1367-2630
1367-2630
DOI:10.1088/1367-2630/16/4/045002