Universität zu Köln

Silva, Caio C., Cai, Jiaqi, Jolie, Wouter, Dombrowski, Daniela, zum Hagen, Ferdinand H. Farwick, Martinez-Galera, Antonio J., Schlueter, Christoph, Lee, Tien-Lin and Busse, Carsten (2019). Lifting Epitaxial Graphene by Intercalation of Alkali Metals. J. Phys. Chem. C, 123 (22). S. 13712 - 13720. WASHINGTON: AMER CHEMICAL SOC. ISSN 1932-7447

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Abstract

We studied the effect of alkali metal intercalation (Cs and Li) on the geometry of graphene on Ir(111) using the X-ray standing waves technique. For both alkali metals, the increase in the mean height of the carbon layer does not depend on the lateral structure or the density of the intercalated layer. For Li, full delamination of graphene from the metal substrate is found already for a small amount of intercalant. Even though lithium lifts graphene to a smaller height, it is much more efficient in ironing out the corrugation of pristine graphene on Ir(111).

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Silva, Caio C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Cai, Jiaqi UNSPECIFIED UNSPECIFIED UNSPECIFIED Jolie, Wouter UNSPECIFIED UNSPECIFIED UNSPECIFIED Dombrowski, Daniela UNSPECIFIED UNSPECIFIED UNSPECIFIED zum Hagen, Ferdinand H. Farwick UNSPECIFIED UNSPECIFIED UNSPECIFIED Martinez-Galera, Antonio J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Schlueter, Christoph UNSPECIFIED UNSPECIFIED UNSPECIFIED Lee, Tien-Lin UNSPECIFIED UNSPECIFIED UNSPECIFIED Busse, Carsten UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-138073
DOI:	10.1021/acs.jpcc.9b02442
Journal or Publication Title:	J. Phys. Chem. C
Volume:	123
Number:	22
Page Range:	S. 13712 - 13720
Date:	2019
Publisher:	AMER CHEMICAL SOC
Place of Publication:	WASHINGTON
ISSN:	1932-7447
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language HEXAGONAL BORON-NITRIDE; SURFACE-STRUCTURE DETERMINATION; X-RAY PHOTOEMISSION; ADSORBATE; MONOLAYER; RADII Multiple languages Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/13807