Zobrazeno 1 - 10
of 103
pro vyhledávání: '"J. B. Amaral"'
Autor:
M.V. dos S. Rezende, Cristiano T. Meneses, J.G.S. Duque, J. B. Amaral, Romel M. Araujo, P.P. Pedra
Publikováno v:
Journal of Solid State Chemistry. 241:26-29
In this work, the effect of insertion of transition metal, TM (=Ni, Zn, Al and Fe), ions in Cu1−xTMxO samples (0
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de1e5521339cb1a5d1ae8b4b438141dc
https://doi.org/10.1016/j.jssc.2016.05.037
https://doi.org/10.1016/j.jssc.2016.05.037
Autor:
Sonia Licia Baldochi, J. B. Amaral, Viviane G. Ribeiro, C.B.R. Parente, V.L. Mazzocchi, Mário E.G. Valerio, Ana C.S. de Mello, Marcos dos Santos, Robert A. Jackson
Publikováno v:
Optical Materials. 30:184-187
In the present work, we report the optical properties of rare-earth doped BaY2F8 and its potential use as a scintillator in radiation detection. The samples were synthesized and grown by the zone melting method under a HF flow. X-ray powder diffracti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::329db91c790f6086eb07493e6b674529
https://doi.org/10.1016/j.optmat.2006.11.037
https://doi.org/10.1016/j.optmat.2006.11.037
Autor:
Mário E.G. Valerio, Elizabeth M. Maddock, M.A. Couto dos Santos, Robert A. Jackson, J. B. Amaral
Publikováno v:
physica status solidi c. 4:1185-1188
A computational approach to calculating the optical properties of doped metal fluoride materials is presented, and applied to rare earth doping in the BaY2F8 and LaF3 systems. Optimal locations for dopant ions are predicted, along with solution energ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f78b718106d88c17cea5634bd191a1e
https://doi.org/10.1002/pssc.200673708
https://doi.org/10.1002/pssc.200673708
Publikováno v:
physica status solidi (c). 2:476-480
BaY2F8, when doped with rare earth elements is a material of interest in the development of solid-state laser systems, especially for use in the infrared region. This paper presents the application of a new computational technique, which combines ato
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63aecf45b752d79d38fbed34f452a5c7
https://doi.org/10.1002/pssc.200460212
https://doi.org/10.1002/pssc.200460212
Publikováno v:
Journal of Physics: Condensed Matter. 16:8733-8741
This paper describes a computational study of the mixed metal fluorides LiCaAlF6 and LiSrAlF6, doped with divalent (Pb2+, Co2+ and Ni2+), trivalent (Cr3+, Fe3+ and Y3+) and tetravalent (Si4+) ions. For each of the frameworks, all three cation sites w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e6528a1b8157ef005cb8722cd51537a
https://doi.org/10.1088/0953-8984/16/47/023
https://doi.org/10.1088/0953-8984/16/47/023
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 218:232-235
LiCaAlF6 (LiCAF) and LiSrAlF6 (LiSAF) crystal hosts doped with trivalent positive lanthanide ions (Ln3+) were studied via defect simulation techniques and crystal field parameter calculations. Depending on the ratio of ionic radius of the dopant to t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e065b9ef95bf3d609c13842d7cab3e4
https://doi.org/10.1016/j.nimb.2003.12.027
https://doi.org/10.1016/j.nimb.2003.12.027
Autor:
Sonia Licia Baldochi, J. B. Amaral, Jair Ricardo de Moraes, Robert A. Jackson, Mário E.G. Valerio
Publikováno v:
physica status solidi c. 10:165-167
In this work, computer modelling of the undoped and Eu3+-doped LiLa(WO4)2 structure was successfully achieved by energy minimization and mean field theory. The results were compared with experimental data previously published and are in good agreemen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb78982c6e25a52e4d7c84b60f2026b8
https://doi.org/10.1002/pssc.201200510
https://doi.org/10.1002/pssc.201200510
Publikováno v:
Journal of Physics: Condensed Matter. 15:2523-2533
This paper describes a computational study of the mixed metal fluorides LiCaAlF6 and LiSrAlF6, which have potential technological applications when doped with a range of elements, especially those from the rare earth series. Potentials are derived to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50f4d630cfee4f62b51d928921f55f99
https://doi.org/10.1088/0953-8984/15/17/308
https://doi.org/10.1088/0953-8984/15/17/308
Publikováno v:
Radiation Effects and Defects in Solids. 157:795-798
This paper describes a computer modelling study of rare earth doping in the mixed metal fluorides LiCaAlF 6 , LiSrAlF 6 and LiYF 4 . All these materials have potential technological applications, p...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a5b285ed0915776861e766ecbf88cbb
https://doi.org/10.1080/10420150215771
https://doi.org/10.1080/10420150215771
Publikováno v:
Dalton transactions (Cambridge, England : 2003). (19)
This paper describes a new computational method for predicting the optical behaviour of doped inorganic materials. There is considerable interest in using inorganic materials in photonic devices, and in many cases, the optical properties of these mat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3acb94cd629a35dd54e70e394986fb7c
https://pubmed.ncbi.nlm.nih.gov/15452637
https://pubmed.ncbi.nlm.nih.gov/15452637