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Title

Thin film materials with Sm(III) far room temperature hole burning: design and photomechanism studies

Authors
Avarmaa, Tea
Paas, Markko
Trotta, F.
Published in Molecular Crystals and Liquid Crystals. 1998, vol. 314, no. 17, p. 155-160
Abstract Multicomponent thin films with spectral hole burning capacity at room temperature were synthesized by using molecular beam and pulsed laser deposition techniques All materials were activated by Sm2+ in low-symmetry alkaline earth sites, the synthesis involved the control of ionic diffiision rate during multilayer growth and special reduction of Samarium. Enhancement of hole burning rate by 1-2 orders is obtained in nanocrystalline films as compared to bulk and microcrystalline materials New hypothetic mechanism involving the creation of Sm-defect (photochromic) centers is proposed for reversible photoburning.
Keywords Spectral hole burningDisordered crystalsThin filmsSamariumMolecular beam depositionPulsed laser deposition
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Research group Groupe Bill
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JAANISO, Raivo et al. Thin film materials with Sm(III) far room temperature hole burning: design and photomechanism studies. In: Molecular Crystals and Liquid Crystals, 1998, vol. 314, n° 17, p. 155-160. https://archive-ouverte.unige.ch/unige:2949

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Deposited on : 2009-09-21

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