Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Markus Herren"'
Publikováno v:
Journal of Luminescence. :976-979
Total luminescence (TL), circularly polarized luminescence (CPL), and decay times are measured in solution to investigate excited-state chiral discrimination of Tb (III) complexes of (S,S')- and (R,R')-ethylenediamine-N,N'-disuccinic acid (EDDS), K [
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1807840b6a3224a3b8f36f35197f42bf
https://doi.org/10.1016/s0022-2313(99)00498-6
https://doi.org/10.1016/s0022-2313(99)00498-6
Publikováno v:
Inorganica Chimica Acta. :1014-1021
Luminescence, time-resolved luminescence, excitation spectra and lifetimes of nominally pure and Eu, Fe-doped PLZT ceramics with perovskite A (Pb, La) B (Zr, Ti) O3 structure are investigated as a function of temperatures down to 10 K in order to elu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::596521104135d70cf73c094a375a4a83
https://doi.org/10.1016/s0020-1693(00)00008-6
https://doi.org/10.1016/s0020-1693(00)00008-6
Publikováno v:
Journal of Luminescence. :215-219
Luminescence and decay times of sol–gel PLZT(9/65/35) ceramics doped with Eu 3+ , Nd 3+ and chromium ions are investigated to elucidate site occupancy and energy transfer processes at lower temperatures down to 10 K, in comparison with those prepar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25e9d0732460ea5f0ebb9329d008bfdd
https://doi.org/10.1016/s0022-2313(99)00101-5
https://doi.org/10.1016/s0022-2313(99)00101-5
Excitation energy transfer and low-temperature anomaly in luminescence of RE3+ codoped PLZT ceramics
Publikováno v:
Journal of Luminescence. :460-463
Disordered PLZT(9/65/35) ceramics doped with (1) Tb3+Sm3+ and (2) Eu3+Yb3+ ions are investigated in luminescence and decay measurements at temperatures between 10 and 300 K. Resonant (1) and non-resonant (2) energy transfer mechanisms are found to gi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37452efa81e745ed9e961bc61a34f925
https://doi.org/10.1016/s0022-2313(97)00272-x
https://doi.org/10.1016/s0022-2313(97)00272-x
Publikováno v:
Journal of Luminescence. :238-241
Luminescence and decay profiles of codopant (Cr6+. V5+) and (Cr6+, Ag + ) ions in sol- gel silica glasses are investigated at temperatures between 10 and 300 K. The closed-shell electronic structures of these ions reveal luminescence and decay profil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50a5cb9d637fa5879bbd72b7787c22d4
https://doi.org/10.1016/s0022-2313(97)00209-3
https://doi.org/10.1016/s0022-2313(97)00209-3
Publikováno v:
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. 286:251-256
Chromium complex double salts of the compositions [Cr(en)3] [Cr(ox)3] and [Cr(pn)3][Cr(ox)3] (en=ethylenediamine, pn=propylenediamine, ox=oxalate), denoted as [en][ox] and [pn][ox], respectively, were prepared from racemic and optically resolved comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e6fcc8814c035ad295dd9125d865e0d
https://doi.org/10.1080/10587259608042294
https://doi.org/10.1080/10587259608042294
Publikováno v:
Journal of Alloys and Compounds. 233:44-51
Total luminescence (TL), circularly polarized luminescence (CPL) and luminescence decay measurements have been used to investigate the chiroptical structures and energy transfer processes of mixtures of Tb 3+ and Nd 3+ complexes in solution with ( S,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6cb4ae2f8517b1f6f0276aa576c188f
https://doi.org/10.1016/0925-8388(96)80032-6
https://doi.org/10.1016/0925-8388(96)80032-6
Autor:
Makoto Morita, Markus Herren
Publikováno v:
Journal of Luminescence. :268-271
A newly constructed experimental setup for circular polarized luminescence measurements in the NIR was used to study the dominant 4I 13 2 → 4I 15 2 transition of Er3+ doped in ferroelectric Gd2(MoO4)3 single crystals (GMO:Er3+) at approximately 1.5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ad15e26028d74280f1d3a6beda1365a
https://doi.org/10.1016/0022-2313(95)00151-4
https://doi.org/10.1016/0022-2313(95)00151-4
Photoluminescence properties of Eu3+, Nd3+-codoped PLZT ceramics involving energy-transfer processes
Publikováno v:
Journal of Luminescence. :294-298
Photoluminescence spectra and decay times of lead lanthanum zirconate titanate PLZT (9/65/35) doped with 0.1–2wt% Eu 3+ and Nd 3+ were measured at low temperatures down to 12 K. The luminescence decay curves of these rare-earth ions were found to b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1eef939d26825de75aeee92b319ceea3
https://doi.org/10.1016/0022-2313(95)00156-5
https://doi.org/10.1016/0022-2313(95)00156-5
Autor:
Christa Albrecht, Hans-Ueli Gu¨del, Dirk Reinen, U. Kesper, Markus Herren, Ueli Oetliker, Thomas C. Brunold
Publikováno v:
Journal of Luminescence. :138-141
The (3d) 2 ions Cr 4+ , Mn 5+ and Fe 6+ show sharp-line luminescence in the NIR around 1.2, 1.2 and 1.6 μm, respectively. An attempt is made to find trends and similarities for these three ions and to provide an appropriate model.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c70ad665f30e67d94b1604ba11ff4ac8
https://doi.org/10.1016/0022-2313(94)90114-7
https://doi.org/10.1016/0022-2313(94)90114-7