Thermo-optical response of layered Bi nanostructures produced by pulsed laser deposition

descriptionPublicationkeyboard_double_arrow_right Article 01 Apr 2011 English Publisher:Elsevier BVJournal:Applied Surface Science, volume 257, pages 5,172-5,174 (issn: 0169-4332,

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Authors: Jiménez de Castro, Miguel; Serna, Rosalía; Marzoa, M. G.; Castelo Porta, Antonio; Afonso, Carmen N.; Haro-Poniatowski, E.;

doi: 10.1016/j.apsusc.2010.10.072

handle: 10261/57788

Thermo-optical response of layered Bi nanostructures produced by pulsed laser deposition

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Abstract

This work reports optical transmission changes in layeredBinanostructures (NSs) upon heating–cooling cycles up to temperatures above the melting temperature. The nanostructured films prepared by pulsedlaserdeposition consist of Bi NSs with different characteristic sizes that are organised in layers and embedded in an amorphous Al2O3 host. The spectral dependence of the optical transmission as well as its changes upon heating are reported. The combination of Bi NSs layers with more than one characteristic size allows controlling the width of the melting–solidification transition. Eventually, it is shown how a multiple temperature thermo-optical film can be designed and prepared.

This paper has been supported by projects MAT2009-14369-C02-02 (CICYT, Spain), and 2008MX0050 (Bilateral agreement CSIC, Spain/CONACYT, Mexico). AC and MGM acknowledge respectively grants from Consellería de Innovación e Industria of Xunta de Galicia and from the CSIC Introduction to Scientific Research Scholarship Programme.

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Related Organizations

Spanish National Research Council
Spain
Universidad Autónoma Metropolitana
Mexico

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