Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Diane K Williams"'
Publikováno v:
Journal of Luminescence. :297-300
We report the optical spectra and lifetimes of nanocrystalline Eu3+ : Y2O3 as a function of particle diameter from 15 to 7 nm. As the particle size decreases, the spectra show increased line broadening and the emergence of a disordered phase. The 7-n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c786970c3a047e1e141889a43ebb9e9
https://doi.org/10.1016/s0022-2313(99)00114-3
https://doi.org/10.1016/s0022-2313(99)00114-3
Publikováno v:
Journal of Luminescence. :234-237
Optical dephasing of nanoparticles of Eu2O and Y2O3 : Eu3+ is studied, using transient spectral hole burning, as a function of temperature and particle size, d. A strongly enhanced optical dephasing rate is observed whose magnitude depends on 1 d 2 .
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e682df3b23c990d46dcc32bf06edcc2b
https://doi.org/10.1016/s0022-2313(97)89949-8
https://doi.org/10.1016/s0022-2313(97)89949-8
Publikováno v:
The Journal of Physical Chemistry B. 102:916-920
We report the laser spectroscopic characterization of bulk monoclinic Eu3+:Y2O3, which was prepared by a high-temperature, high-pressure synthesis method. The bulk monoclinic phase has sharp spectral lines without the line broadening and “secondary
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40355d850638a8d65806e16a04d54428
https://doi.org/10.1021/jp972996e
https://doi.org/10.1021/jp972996e
Publikováno v:
ChemInform. 29
We report the laser spectroscopic characterization of bulk monoclinic Eu3+:Y2O3, which was prepared by a high-temperature, high-pressure synthesis method. The bulk monoclinic phase has sharp spectral lines without the line broadening and “secondary
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c87860deb347b06a61da9bbd644caa8e
https://doi.org/10.1002/chin.199818016
https://doi.org/10.1002/chin.199818016
Autor:
Diane K Williams, Richard S. Meltzer, S.P. Feofilov, Jennifer C Milora, Ho-Soon Yang, Brian M. Tissue, William M. Dennis
Publikováno v:
Physica B: Condensed Matter. :476-478
The phonon spectrum for isolated nanoparticles is expected to become discrete with a gap opening up at very low frequencies. In this paper we investigate the effect of the modified phonon spectrum on the relaxation of closely spaced electronic levels
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70de68f0c48f7516188b023c14541230
https://doi.org/10.1016/s0921-4526(98)01413-6
https://doi.org/10.1016/s0921-4526(98)01413-6