Journal Article

FZJ-2016-07885

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Structure and Growth of Hexagonal Boron Nitride on Ir(111)

Farwick zum Hagen, F. H. ; Zimmermann, D. M. ; Silva, C. C. ; Schlueter, C. ; Atodiresei, N. (Corresponding author)FZJ* ; Jolie, W. ; Martínez-Galera, A. J. ; Dombrowski, D. ; Schröder, U. A. ; Will, M. ; Lazić, P. ; Caciuc, V.FZJ* ; Blügel, S.FZJ* ; Lee, T.-L. ; Michely, T. ; Busse, C.

2016
Soc. Washington, DC

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Please use a persistent id in citations: doi:10.1021/acsnano.6b05819

Abstract: Using the X-ray standing wave method, scanning tunneling microscopy, low energy electron diffraction, and density functional theory, we precisely determine the lateral and vertical structure of hexagonal boron nitride on Ir(111). The moiré superstructure leads to a periodic arrangement of strongly chemisorbed valleys in an otherwise rather flat, weakly physisorbed plane. The best commensurate approximation of the moiré unit cell is (12 × 12) boron nitride cells resting on (11 × 11) substrate cells, which is at variance with several earlier studies. We uncover the existence of two fundamentally different mechanisms of layer formation for hexagonal boron nitride, namely, nucleation and growth as opposed to network formation without nucleation. The different pathways are linked to different distributions of rotational domains, and the latter enables selection of a single orientation only.

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Contributing Institute(s):

1. Quanten-Theorie der Materialien (IAS-1)
2. Quanten-Theorie der Materialien (PGI-1)
3. JARA-FIT (JARA-FIT)
4. JARA - HPC (JARA-HPC)

Research Program(s):

1. 142 - Controlling Spin-Based Phenomena (POF3-142) (POF3-142)
2. 143 - Controlling Configuration-Based Phenomena (POF3-143) (POF3-143)

Appears in the scientific report 2016

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Database coverage:
; Current Contents - Physical, Chemical and Earth Sciences ; IF >= 10 ; JCR ; NCBI Molecular Biology Database ; No Authors Fulltext ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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