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Applied Physics Letters / Volume 99 / Issue 21 / STRUCTURAL, MECHANICAL, THERMODYNAMIC, AND OPTICAL PROPERTIES OF CONDENSED MATTER

Appl. Phys. Lett. 99, 211907 (2011); http://dx.doi.org/10.1063/1.3663866 (3 pages)

A high-reflectivity, ambient-stable graphene mirror for neutral atomic and molecular beams

P. Sutter1, M. Minniti2, P. Albrecht1, D. Farías2,3, R. Miranda2,3,4, and E. Sutter1

1Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, USA
2Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
3Instituto de Ciencia de Materiales “Nicolás Cabrera,” Universidad Autónoma de Madrid, 28049 Madrid, Spain
4Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA-Nanociencia), 28049 Madrid, Spain

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(Received 19 September 2011; accepted 3 November 2011; published online 22 November 2011)

We report a He and H2 diffraction study of graphene-terminated Ru(0001) thin films grown epitaxially on c-axis sapphire. Even for samples exposed for several weeks to ambient conditions, brief annealing in ultrahigh vacuum restored extraordinarily high specular reflectivities for He and H2 beams (23% and 7% of the incident beam, respectively). The quality of the angular distributions recorded with both probes exceeds the one obtained from in-situ prepared graphene on Ru(0001) single crystals. Our results for graphene-terminated Ru thin films represent a significant step toward ambient tolerant, high-reflectivity curved surface mirrors for He-atom microscopy.

© 2011 American Institute of Physics

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KEYWORDS and PACS

Keywords

graphene, helium, mirrors, optical microscopy, reflectivity

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3663866

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    D. Barredo, G. Laurent, F. Calleja, P. Nieto, J. J. Hinarejos, A. L. V. de Parga, D. Farias, and R. Miranda, Appl. Phys. Lett. 96(8), 081901 (2010)APPLAB000096000008081901000001.

    P. W. Sutter, P. M. Albrecht, and E. A. Sutter, Appl. Phys. Lett. 97(21), 213101 (2010)APPLAB000097000021213101000001.

    E. A. Sutter, D. P. Acharya, J. T. Sadowski, and P. W. Sutter, Appl. Phys. Lett. 94, 133101 (2009)APPLAB000094000013133101000001.


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