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6 results on '"Yuan, Long"'

1. ChemInform Abstract: Photoluminescence Properties of BaSiF6:Eu3+,Eu3+/K+ and Eu3+/Tb3+ Co-Doped Phosphors.

Author

Zhang, Yuan, Yuan, Long, Huang, Keke, Du, Yanyan, and Feng, Shouhua

Subjects
*BARIUM fluoride, *SILICON oxide, *PHOTOLUMINESCENCE, *EUROPIUM, *TERBIUM, *PHOSPHORS, *HYDROTHERMAL synthesis, *SEMICONDUCTOR doping profiles
Abstract

A series of BaSiF6:xEu3+ (x = 3-20%), BaSiF6:15%Eu3+/15%K+, and BaSiF6:3%Eu3+/2%Tb3+ down-conversion phosphors are hydrothermally prepared using hydrated SiO2 and NH4HF2 as metal chelating agents. [ABSTRACT FROM AUTHOR]

Published
2016
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3. ChemInform Abstract: Hydrothermal Synthesis and Magnetic Behaviour of β-Li3VF6 and Na3VF6.

Author

Ge, Lei, Yuan, Long, Huang, Keke, Feng, Wenchun, Fang, Hairui, and Feng, Shouhua

Subjects
*VANADIUM compounds synthesis, *LITHIUM fluoride, *HYDROTHERMAL synthesis, *MAGNETIC properties, *LITHIUM chloride, *STOICHIOMETRY, *SODIUM compounds
Abstract

Single crystals of β-Li3VF6 (I) and Na3VF6 (II) are obtained by hydrothermal reaction of stoichiometric amounts of NH4VO3, NH4HF2, LiCl (NaCl), and fumaric acid (pH 4-6, autoclave, 240 °C, 24 h) without the need for HF. [ABSTRACT FROM AUTHOR]

Published
2015
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4. ChemInform Abstract: Hydrothermal Synthesis and Magnetic Properties of REFe0.5Cr0.5O3 (RE: La, Tb, Ho, Er, Yb, Lu and Y) Perovskite.

Author

Yuan, Long, Huang, Keke, Hou, Changmin, Feng, Wenchun, Wang, Shan, Zhou, Cuiping, and Feng, Shouhua

Subjects
*INORGANIC chemistry, *CHEMICAL reactions, *DIELECTRICS, *MAGNETIC properties, *CHROMIUM
Abstract

The title compounds are hydrothermally synthesized from solutions of Fe(NO3)3, CrCl3, Ln(NO3)3 (Ln: La, Tb, Ho, Er, Yb, Lu and Y), and KOH as a mineralizer (autoclave, 240 °C, 5 d) and characterized by powder XRD, SEM, and magnetic measurements. [ABSTRACT FROM AUTHOR]

Published
2014
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5. ChemInform Abstract: Hydrothermal Syntheses and Photoluminescence Properties of Rare-Earth Tungstate as Near Ultraviolet Type Red Phosphors.

Author

Yu, Jing, Huang, Keke, Yuan, Long, and Feng, Shouhua

Subjects
*LUMINESCENCE, *FLUORESCENCE, *TUNGSTEN, *ALKALINE earth metals, *MOLYBDENUM, *EUROPIUM
Abstract

The series of scheelite CaWO4-based red luminescent phosphors, Ca1-1.5xWO4:xEu3+ (0.02 ≤ x ≤ 0.09), Ca0.925-ySryWO4:0.05Eu3+ (0 ≤ y ≤ 0.9), and Ca0.625Sr0.30W1-zMozO4 :0.05Eu3+ (0 ≤ z ≤ 0.7) are synthesized by hydrothermal reaction of Na2MoO4, Na2WO4, Eu(NO3)3, Ca(NO3)2, Sr(NO3)2, citric acid, and NaOH in H2O (autoclave, 180°C, 10 h). [ABSTRACT FROM AUTHOR]

Published
2014
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