Results 11 to 20 of about 19,077 (301)
Transparent Yb3+ doped phosphate glass-ceramics [PDF]
Ceramics International, 2020 Abstract Yb3+ doped oxyfluorophosphate glasses with the composition (98.75) [90NaPO3-(10-x) Na2O-xNaF] - 1.25Yb2O3 (in mol%) with x = 0, 2.5, 5, 7.5 and 10 were prepared using a standard melting process. The progressive replacement of Na2O by NaF leads to an increase in the number of Q2 units at the expense of the Q1 units.
Hongisto, M. +5 more
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Effects of Heat Treatment and Yb 3+ Concentration on the Downconversion Emission of Er 3+ /Yb 3+ Co-Doped Transparent Silicate Glass-Ceramics [PDF]
Materials Research, 2019 The SiO2-Al2O3-BaF2-TiO2-CaF2 transparent silicate glass-ceramics containing BaF2 nanocrystals were successfully prepared by heat treatment process through conventional melting method.
Ho Kim Dan +5 more
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Tm3+ Modified Optical Temperature Behavior of Transparent Er3+-Doped Hexagonal NaGdF4 Glass Ceramics
Nanoscale Research Letters, 2017 Er3+-doped and Er3+-Tm3+-co-doped transparent hexagonal NaGdF4 glass ceramics are fabricated via melt-quenching method. The emissions of Er3+-doped NaGdF4 glass ceramics are adjusted from the green to red by varying the concentration of Tm3+ ion under ...
Chengqi E +3 more
doaj +2 more sources
Processing of transparent glass-ceramics by nanocrystallisation of LaF3 [PDF]
Journal of the European Ceramic Society, 2009 Transparent glass-ceramics have been prepared by heat-treating oxyfluoride glasses in the Na2O–Al2O3–SiO2–LaF3 system. The nanocrystallisation of LaF3 was achieved by controlling time and temperature parameters. Glasses and glass-ceramics were characterised by dilatometry, DTA, XRD and TEM. The mean crystal size (
N. Hémono +5 more
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Microstructure of Transparent Strontium Fresnoite Glass-Ceramics [PDF]
Scientific Reports, 2015 AbstractGlass-ceramics grown from a glass of the composition Sr2TiSi2.45O8.9 (STS 45) are analyzed by scanning electron microscopy (SEM) and electron backscatter diffraction (EBSD). Oriented nucleation with the c-axes preferably perpendicular to the surface is detected.
Wisniewski, Wolfgang +4 more
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Tạp chí Khoa học Đại học Đà Lạt, 2020 In this paper, the upconversion (UC) and NIR emissions of Er3+-doped in TeO2–Al2O3–BaF2 (TAB) tellurite transparent glass-ceramics containing BaF2 nanocrystals through the heat treatment process with changing of temperature and duration were investigated.
Vũ Hằng Nga +2 more
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Special Issue on Transparent Ceramics. Introduction
, 2022 S.205Technologies are booming which use light as a manufacturing tool or as a means of information transfer. These technologies employ wavelengths ranging from low ultraviolet through visible up to the far infrared.
Krell, A.
core +1 more source
Crystallization Kinetics and Characterization of Nanostructure Mica Glass-Ceramics with Optical Transparency [PDF]
Journal of Nanostructures, 2014 Transparent glasses in a system of Li2O-MgO-SiO2-Al2O3-Fchemical constituents were prepared by melt quenching method. In the fabrication of nanocrystal glass-ceramics, controlled nucleation and subsequent crystal growth were necessary to avoid loss of ...
P. Alizadeh, V. Khani
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Progress in transparent bulletproof armor based on ceramics
Cailiao gongcheng, 2021 Requirements for the cockpit of military vehicles are constantly increasing as a result of escalating threats. The traditional transparent bulletproof armor based on glass have been unsatisfactory to relevant application requirements, and lighter and ...
LIU Jia-xi +5 more
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Enhanced photorefractivity and rare-earth photoluminescence in SnO2 nanocrystals-based photonic glass-ceramics [PDF]
EPJ Web of Conferences, 2021 This work presents state of the art rare-earth activated SnO2 nanocrystals - based transparent glass-ceramics. With combined enhancements in both photorefractivity and rare-earth photoluminescence, the glass-ceramic has unique benefits as a lasing ...
Lam Tran Thi Ngoc +16 more
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