Zobrazeno 1 - 10
of 277
pro vyhledávání: '"Mamoru Mitomo"'
Selected, peer reviewed papers from the 2nd International Symposium on Sialons and Non-oxides, December 2nd – 5th, 2007 Ise-shima Royal Hotel, Mie, Japan
Publikováno v:
Fundamentals of Phosphors ISBN: 9781315219981
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f305430bb485deb8b0c7e952559ae71
https://doi.org/10.1201/9781315219981-25
https://doi.org/10.1201/9781315219981-25
Publikováno v:
Science and Technology of Advanced Materials, Vol 8, Iss 7-8, p 607 (2007)
The crystal and electronic structures, as well as the luminescence properties of Sr2Al2−xSi1+xO7−xNx:Eu2+ are reported. First-principles calculations energetically confirm that the Al and Si atoms are in partial ordering in the 2a and 4e sites in
Externí odkaz:
https://doaj.org/article/8b38d40b0d754b66adf4f67047ce5a61
Publikováno v:
Journal of Luminescence. 130:1147-1153
The photoluminescence properties of Eu 2+ , Ce 3+ and Tb 3+ doped α-Si 3 N 4 have been studied and a possible structural model has been proposed on the basis of the Rietveld refinement of X-ray powder diffraction data. Nearly single phase rare earth
Autor:
Naoto Hirosaki, Yoshinobu Yamamoto, Jiang Li, Takashi Takeda, Mamoru Mitomo, Yuanqiang Li, Rong-Jun Xie
Publikováno v:
Journal of the American Ceramic Society. 92:2738-2744
The crystal structure and photoluminescence properties of undoped and Ce 3+ - or Tb 3+ -doped Lu-α-Sialon are reported. Lu-α-Sialon with the composition of Lu 0.367 Si 9.9 Al 2.1 ON 15 crystallizes in a trigonal system with a = 7.8013(1) A, c = 5.6
Publikováno v:
Journal of Solid State Chemistry. 182:301-311
The crystal and electronic structures, and luminescence properties of Eu 2+ , Ce 3+ and Tb 3+ activated LiSi 2 N 3 are reported. LiSi 2 N 3 is an insulator with an indirect band gap of about 5.0 eV (experimental value ∼6.4 eV) and the Li 2 s , 2 p
Publikováno v:
Key Engineering Materials. 403:185-188
The effect of sintering additives comprising AlN and RE2O3 (RE=Lu, Yb, Er and Y) in 2:3 and 3:2 molar ratios on mechanical properties of liquid-phase-sintered (LPS) and subsequently annealed SiC ceramics was investigated. The toughness vs cationic ra
Publikováno v:
Key Engineering Materials. 403:83-86
-sialon and related compounds have been long known as structural ceramics due to their excellent thermomechanical properties. In this paper, we will present the luminescence of rare earth ions (i.e., Ce3+, Eu2+, Tb3+, Yb2+) in -sialons. The emi
Publikováno v:
Journal of Solid State Chemistry. 181:3200-3210
The crystal structure, electronic structure, and photoluminescence properties of Eu x Si 6− z Al z − x O z + x N 8− z − x ( x =0–0.1, 0 z x M y Si 6− z Al z − x − y O z + x + y N 8− z − x − y ( M =2Li, Mg, Ca, Sr, Ba) have been
Publikováno v:
Chemistry of Materials. 20:6704-6714
The crystal structure and photoluminescence properties of undoped and Ce3+-doped CaAlSiN3 as well as the application of white-light LEDs are reported. CaAlSiN3 and CaAlSiN3:Ce3+ have been synthesized, starting from Ca3N2, AlN, Si3N4, and CeN or CeO2