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Strong upconversion from Er3Al5O12 ceramic powders prepared by low temperature direct combustion synthesis
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2006 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 89, no 8Article in journal (Refereed) Published
Abstract [en]

Crystalline ceramic powders of Er3Al5O12 were obtained by low temperature direct combustion synthesis. Irradiating the sample with a low-power continuous-wave infrared (1.48 mu m) diode laser led to ultraviolet, violet, blue, green, and red (380, 410, 456, 495, 525, 550, and 660 nm) emissions. The strong upconversion luminescence appeared to the eyes as an intense green color. The presence of efficient four- and three-photon frequency upconversion processes makes this material an excellent candidate for use in photonic devices based on upconverter phosphors.

Place, publisher, year, edition, pages
2006. Vol. 89, no 8
Keyword [en]
sol-gel method, luminescence, er3+, al2o3, ions, nanoparticles, nanocrystals, alumina
URN: urn:nbn:se:kth:diva-15939DOI: 10.1063/1.2338558ISI: 000240035400009OAI: diva2:333981
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Fokine, Michael
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Applied Physics Letters

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