Borogermanate
WebOct 3, 2024 · Abstract ABS–BGP glasses (Al2O3–B2O3–SiO2–BaCO3–Gd2O3–P2O5) doped with different concentrations of Ce3+ ions are synthesized by the high-temperature melting technique. Optical, structural, and luminescence properties were studied. Emission connected with the transitions of Ce3+ ions is recorded in a spectral region of 350–550 … WebApr 18, 2024 · This work is devoted to the study of phase transitions in CsPbBr3 perovskite nanocrystals nucleated in borogermanate glass. Perovskite nanocrystals are obtained by bulk crystallization in a glass matrix. A series of glass samples with nanocrystals of different sizes is investigated. Upon heating, the …
Borogermanate
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WebMar 31, 2024 · The existence of the pyroelectric effect in lanthanum borogermanate, whose pyroelectric constant lies in the range 10 – 14 nC/(cm 2 · K) at temperatures 20 – 400°C, … WebMay 1, 2024 · A Simple and Highly Efficient Method for Synthesis of Ce3+‐Activated Borogermanate Scintillating Glasses in Air. Fast Ce3+-activated borogermanate scintillating glasses with the density of 5.58–5.67 g/cm3 were synthesized by melt quenching method in air atmosphere for the first time. The optical transmittance….
WebDec 1, 2008 · We report on cooperative downconversion in Yb(3+)-RE(3+) (RE=Tm or Pr) codoped lanthanum borogermanate glasses (LBG), which are capable of splitting a visible photon absorbed by Tm(3+) or Pr(3+) ions into two near-infrared photons. The results indicate that Pr(3+)-Yb(3+) is a more efficient ion coup … WebThe partial replacement of Ge atoms in tetrahedral positions by a small number of B atoms leads to a new microporous borogermanate, CsBxGe6–xO12 (x = 1), under solvothermal conditions. Its framework shows the highest atomic ratios of Ge/B in reported borogermanates and leads to a new type of zeolite sodalite-type net.
WebMay 1, 2024 · Pure CsPbBr 3 and CsPbI 3 perovskite nanocrystals are nucleated in the borogermanate glass. Nanocrystals precipitation in glass are controlled via isothermal … WebJun 17, 2016 · Dy 3+-, Tb 3+-activated, and Tb 3+ /Dy 3+-coactivated oxyfluoride borogermanate scintillating glasses with the density of about 6.50 g/cm 3 were …
WebThe viscosity of binary borosilicate melts displays a large, negative departure from additivity, while that of binary borogermanate melts approaches additivity, with only a very small, negative departure from additivity. One final group of binary borate systems is worthy of note. Glasses can be formed over a wide compositional range in the ...
Web7 A borogermanate with three-dimensional open-framework layers. 来源：CHEM-EUR J( P 0947-6539 E 1521-3765 ) 发表时间: 2007/01. coverdell beneficiary changeWebGermanate. In chemistry, germanate is a compound containing an oxyanion of germanium. In the naming of inorganic compounds it is a suffix that indicates a polyatomic anion with … coverdell beneficiaryWebMay 20, 2008 · A new borogermanate open-framework, FJ-18, with intersecting 12-/8-, 9-, and 9-ring channels in multidimensions was synthesized by using an organic diamine as … coverdell actWebAug 20, 2024 · Ce-doped boron nitride (BN) was successfully synthesized by pyrolysis of molecular adduct prepared from mixture of boric acid and melamine. Intense UV-emission was detected from Ce-doped BN by excitation with UV light ( λ = 308 nm). The UV-emission intensity was significantly enhanced with increasing concentration of Ce ions and … maggie\u0027s clubWebSep 7, 2024 · Regions in the bulk of lanthanum borogermanate glass modified by a femtosecond laser beam were studied by means of optical microscopy and confocal Raman scattering (RS) spectroscopy. The obtained data show that, at the stages preceding the formation of an LaBGeO5 microcrystal, upon irradiation by a femtosecond beam in a … coverdell contribution age limitWebThe U.S. Department of Energy's Office of Scientific and Technical Information maggie\u0027s cornerWebJan 6, 2015 · Lanthanum borogermanate (LBG) glasses exhibit more intense texture-forming ability than lanthanum borosilicate (LBS) ones. Glass ceramic textures with a degree of grain orientation up to 0.9 in ... maggie\u0027s cook in a bag