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Rare-Earth Doped GdVO<sub>4</sub> by Sol-Gel Method: Structural and Luminescence Properties: 《World Journal of Engineering and Technology》2022年第4期907-922,共16页D. Y. Medina-Velázquez A. D. J. Morales-Ramírez A. A. Morales-Hernández B. Gonzalez L. Ramírez-García E. Garfías-García J. Oliva C. R. Garcia J. Reyes-Miranda M. A. Barron E. Osorio-de-la-Rosa; Rare earths have been extensively developed in recent years, however, new hosts allow high excitation and emission efficiency, in this sense, gadolinium vanadate has been extensively studied and in previous works it h...; 关键词：GADOLINIUM Rare Earths Up Convertion

Ce^(3+) sensitized Tb^(3+) and Dy^(3+) photoluminescence in β-LaB_(5)O_(9) prepared by sol-gel method被引量：1: 《Journal of Rare Earths》2022年第8期1181-1186,共6页Yuxuan Qi Ruirui Yang Yan Gao Pengfei Jiang Rihong Cong Tao Yang; Project supported by the National Natural Science Foundation of China (21771027,21671028,21805020);Natural Science Foundation of Chongqing (cstc2019jcyj-msxmX0330)。; Rare earth(RE) pentaborates,both α-and β-polymorphs,are good candidates for photoluminescent hosts suitable for various RE activators,Ce^(3+) acts not only as an activator itself,but also as a sensitizer to other ra...; 关键词：Rare earths Pentaborates Sol-gel method PHOTOLUMINESCENCE Energy transfer

Perovskite type lanthanum manganite：Morpho-structural analysis and electrical investigations被引量：3: 《Journal of Rare Earths》2018年第5期499-504,共6页Paula Sfirloaga Maria Poienar Iosif Malaescu Antoanetta Lungu Paulina Vlazan; Project supported by the Experimental Demonstrative Project 48PED/2017-Executive Unit for Financing Higher Education,Research,Development and Innovation(UEFISCDI); Perovskite-type oxides of LaMnO3 were synthesized by means of the sol-gel method, in the presence of citric acid as gelling agent. The precursors used were Mn（NO3）2·H2O, La2O3, and NaOH,mixed in the stoichiometric ...; 关键词：Rare earths Sol-gel method Physico-chemical properties Electrical investigations

Catalytic oxidation of formaldehyde over CeO2-Co3O4 catalysts被引量：15: 《Journal of Rare Earths》2017年第9期867-874,共8页卢素红王凡陈参昌黄风林李克伦; supported by the Doctoral Program of Xi'an Shiyou University(134010155);Shaanxi Provincial College Students'Inno vative Entrepreneurial Training Program(No.2016107051360 and 201610705046); A series of CeO2-Co3O4 mixed oxide catalysts with different Co/（Co＋Ce） atomic ratios were synthesized by citric acid sol-gel method and used for catalytic oxidation of formaldehyde（HCHO）. Many techniques such as ...; 关键词：CeO_2-Co_3O_4 formaldehyde catalytic oxidation strong interaction sol-gel method rare earths

Improvement in structure and superconductivity of YBa2Cu3O6＋δ ceramics superconductors by optimizing sintering processing被引量：1: 《Journal of Rare Earths》2017年第1期85-89,共5页JIN Fei ZHANG Hui WANG Wenzhang LIU Xiang CHEN Qingming; Project supported by the National Natural Science Foundation of China(11564021); Polycrystalline YBa2Cu3O6＋δbulks were synthesized by sol-gel method. Sintering processing played a vital role in the evolution of phase structure and microstructure, and thus significantly influenced their supercond...; 关键词：YBa2Cu3O6＋δ sol-gel method sintering processing superconducting property rare earths

Surface structure and catalytic performance of Sr-doped La_2NiAlO_6 double perovskite catalysts for methane combustion被引量：8: 《Journal of Rare Earths》2015年第12期1284-1292,共9页胡瑞生白雅琴杜航宇张慧敏杜燕飞张俊阁周啟华; supported by the Scientific and Technological Planning of Inner Mongolia Hohhot Scientific and Technological Bureau(2012-I-1-1);National Natural Science Foundation of China(21263008);State Key Laboratory of Chemical Resource Engineering in Beijing University of Chemical Technology(CRE-2014-C-304); A species of novel St-doped rare earth double perovskite catalysts （La2 xSrxNiA106, x=0, 0.1） were prepared by the sol-gel method using citric acid as a complexing agent and calcined at 1100 ℃ for 3 h, then investi...; 关键词：rare earths double perovskite methane catalytic combustion sol-gel method

Sol-gel method and optical properties of Ca_(12)Al_(14)O_(32)F_2:Eu^(3+) red phosphors: 《Journal of Rare Earths》2015年第9期927-932,共6页彭海龙高强盛蒙丽丽张丽霞庞起梁利芳; supported by the National Natural Science Foundation of China(21161004);the Natural Science Foundation of Guangxi Province(2011GXNSFA018048); Ca12Al14032F2.＇Eu3＋ red phosphors were prepared by the sol-gel method with CF3COOH as the fluorine source. X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectra, and photoluminescence spec...; 关键词：Ca12AlI4032F2 OXYFLUORIDE sol-gel synthesis LUMINESCENCE Eu3＋ ions rare earths

Preparation and characterization of Ce_(0.8)La_(0.2–x)Y_xO_(1.9) as electrolyte for solid oxide fuel cells被引量：1: 《Journal of Rare Earths》2014年第12期1162-1169,共8页田长安季必发谢劲松鲍巍涛刘可程继海尹奇异; Project supported by National Natural Science Foundation of China(51102073);the research fund of Key Laboratory for Advanced Technology in Environmental Protection of Jiangsu Province(AE201361);Natural Science Foundation of Anhui Province of China(10040606Q53,1308085QB35);the Outstanding Young Talent Project in Colleges and Universities of Anhui Province; In this study, ultrafine Ce0.8La0.2–x Y x O1.9（for x=0, 0.05, 0.10, 0.15, 0.20） powders were successfully prepared by the sol-gel method.The samples were characterized by fourier transform infrared（FTIR）, thermog...; 关键词：electrolyte sol-gel method SOFCs conductivity rare earths

La^(3+) -doped SrBi_2Ta_2O_9 thin films for FRAM synthesized by sol-gel method: 《Journal of Rare Earths》2014年第3期277-281,共5页V.V.Sidsky A.V.Semchenko A.G.Rybakov V.V.Kolos A.S.Turtsevich A.N.Asadchyi W.Strek; This paper discusses the possibility of synthesis of SBTL sol-gel films for use as active layers for non-volatile memory （FRAM）. La-doped SrBi2Ta209 thin films were synthesized by sol-gel method on Pt/TiO2/BPSG/SiO2...; 关键词：ferroelectric thin films sol-gel method lanthanum ion non-volatile memory rare earths

Synthesis and spectral properties of Nd-doped glass-ceramics in SiO_2-CaO-MgO system prepared by sol-gel method被引量：3: 《Journal of Rare Earths》2013年第6期595-599,共5页Masoud Eslami Zohreh Hamnabard Ali Nemati; supported by the Iran Nanotechnology Initiative Council(INIC); SiO2-CaO-MgO glass and glass-ceramic powder doped with Nd3＋ were synthesized with sol-gel method. Tetraethylorthosilicate （TEOS）, Ca（NO3）2？4H2O, Mg（NO3）2？6H2O, Nd（NO3）3？6H2O, ethanol, distilled water, and ...; 关键词：glass GLASS-CERAMIC SYNTHESIS sol-gel method spectral properties rare earths

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