Dimensionality effects on the luminescence properties of hBN.

Schué, Léonard; Berini, Bruno; Betz, Andreas C; Plaçais, Bernard; Ducastelle, François; Barjon, Julien; Loiseau, Annick

Schué, Léonard; Berini, Bruno; Betz, Andreas C; Plaçais, Bernard; Ducastelle, François; Barjon, Julien; Loiseau, Annick.

Afiliación

Schué L; Laboratoire d'Etude des Microstructures, ONERA-CNRS, Université Paris-Saclay, 29 avenue de la Division Leclerc, BP 72, 92322 Châtillon Cedex, France. annick.loiseau@onera.fr.

Nanoscale ; 8(13): 6986-93, 2016 Apr 07.

Article en En | MEDLINE | ID: mdl-26976266

RESUMEN

Cathodoluminescence (CL) experiments at low temperature have been undertaken on various bulk and exfoliated hexagonal boron nitride (hBN) samples. Different bulk crystals grown from different synthesis methods have been studied. All of them present the same so-called S series in the 5.6-6 eV range, proving its intrinsic character. Luminescence spectra of flakes containing 100 down to 6 layers have been recorded. Strong modifications in the same UV range are observed and discussed within the general framework of 2D exciton properties in lamellar crystals.

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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nanoscale Año: 2016 Tipo del documento: Article País de afiliación: Francia Pais de publicación: Reino Unido

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