Reference : Absorption of BN nanotubes under the influence of a perpendicular electric field

	Document type :	Scientific congresses, symposiums and conference proceedings : Paper published in a journal
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Physics
	To cite this reference:	http://hdl.handle.net/10993/10331

Title :	Absorption of BN nanotubes under the influence of a perpendicular electric field
Language :	English
Author, co-author :	Attaccalite, Claudio [CNRS, ISEN > Institute for Electronics, Microelectronics and Nanotechnology]
	Wirtz, Ludger [CNRS - ISEN, Institute for Electronics, Microelectronics and Nanotechnology / European Theoretical Spectroscopy Facility]
	Marini, Andrea [Università di Roma "Tor Vergata" > Instituto Nazionale per la Fisica della Materia e Dipartimento di Fisica]
	Rubio, Angel [European Theoretical Spectroscopy Facility / Donastia International Physics Center and Department of Material Physics]
Publication date :	2007
Journal title :	Physica Status Solidi B. Basic Research
Volume :	244
Issue/season :	11
Pages :	4288-4292
Peer reviewed :	Yes (verified by ORBilu)
Audience :	International
ISSN :	0370-1972
Event name :	1st International Winterschool on Electronic Properties of Novel Materials
Event date :	MAR 10-17, 2007
Event place (city) :	Kirchberg
Event country :	Austria
Abstract :	[en] We calculate the optical absorption spectra of prototype (6,6) and (9,9) BN nanotubes in the presence of a perpendicular electric field. This model mimics a gated BN nanotube device. Even though the band-gap of the tubes decreases strongly as a function of the electric field strength, the absorption spectrum of the pure tubes remains remarkably constant up to high field-strength. We show that, in contrast, the levels which are responsible for defect-mediated photo-luminescence are shifted by the electric field. We address the use of BN nanotubes for optoelectronic applications. 0 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Permalink :	http://hdl.handle.net/10993/10331
DOI :	10.1002/pssb.200776199
Commentary :	MAR 10-17, 2007 21st International Winterschool on Electronic Properties of Novel Materials Kirchberg AUSTRIA Univ Wien, MEFS Co Ltd, Rice Univ, Dept Chem, Appl Nanofluorescence, BRUKER OPTIK GmbH, HORIBA Jobin Yvon GmbH, NANOCYL S A, WILEY-VCH Verlag GmbH & Co

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