Cyclic microwave-assisted synthesis and characterization of nano-crystalline alkaline earth metal tungstates

被引：32

作者：

Phuruangrat, Anukorn ^{[2
]}

Thongtem, Titipun ^{[1
]}

Thongtem, Somchai ^{[2
]}

机构：

[1] Chiang Mai Univ, Fac Sci, Dept Chem, Chiang Mai 50200, Thailand

[2] Chiang Mai Univ, Fac Sci, Dept Phys, Chiang Mai 50200, Thailand

来源：

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 2008年 / 116卷 / 1353期

关键词：

alkaline earth metal tungstates; cyclic microwave-assisted synthesis; scheelite structure;

D O I：

10.2109/jcersj2.116.605

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Nano-crystalline MWO4 (M = Ca, Sr and Ba) were successfully produced using cyclic microwave radiation in propylene glycol. XRD, TEM, SAED and EDX analyses revealed the presence of nano-crystalline MWO4 containing the corresponding alkaline earth metals, W and O. Their lattice parameters and crystallite sizes were determined, and enlarged with the increase in the ionic radii of the corresponding divalent metals. Six different vibrations were detected using Raman spectroscopy and very strong W-O stretching Of [WO4](2-) tetrahedrons using FTIR. (C) 2008 The Ceramic Society of Japan. All rights reserved.

引用

页码：605 / 609

页数：5

共 26 条

[1] Hydrothermal preparation of luminescent PbWO4 nanocrystallites [J].

An, CH ;

Tang, KB ;

Shen, GZ ;

Wang, CR ;

Qian, YT .

MATERIALS LETTERS, 2002, 57 (03) :565-568

[2] Formation of uniform colloidal ceria in polyol [J].

Andreescu, Daniel ;

Matijevic, Egon ;

Goia, Dan V. .

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2006, 291 (1-3) :93-100

[3]

[Anonymous], 2001, POWD DIFFR FIL

[4] Spontaneous Raman spectroscopy of tungstate and molybdate crystals for Raman lasers [J].

Basiev, TT ;

Sobol, AA ;

Voronko, YK ;

Zverev, PG .

OPTICAL MATERIALS, 2000, 15 (03) :205-216

[5] Low-temperature synthesis of metal tungstates nanocrystallites in ethylene glycol [J].

Chen, D ;

Shen, GZ ;

Tang, KB ;

Zheng, HG ;

Qian, YT .

MATERIALS RESEARCH BULLETIN, 2003, 38 (14) :1783-1789

[6] Microwave-assisted synthesis of metal sulfides in ethylene glycol [J].

Chen, D ;

Tang, KB ;

Shen, GZ ;

Sheng, J ;

Fang, Z ;

Liu, XM ;

Zheng, HG ;

Qian, YT .

MATERIALS CHEMISTRY AND PHYSICS, 2003, 82 (01) :206-209

[7] INFRA-RED SPECTRA OF ANHYDROUS MOLYBDATES AND TUNGSTATES [J].

CLARK, GM ;

DOYLE, WP .

SPECTROCHIMICA ACTA, 1966, 22 (08) :1441-&

[8] High-pressure structural study of the scheelite tungstates CaWO4 and SrWO4 -: art. no. 174106 [J].

Errandonea, D ;

Pellicer-Porres, J ;

Manjón, FJ ;

Segura, A ;

Ferrer-Roca, C ;

Kumar, RS ;

Tschauner, O ;

Rodríguez-Hernández, P ;

López-Solano, J ;

Radescu, S ;

Mujica, A ;

Muñoz, A ;

Aquilanti, G .

PHYSICAL REVIEW B, 2005, 72 (17)

[9] Dielectric parameters relevant to microwave dielectric heating [J].

Gabriel, C ;

Gabriel, S ;

Grant, EH ;

Halstead, BSJ ;

Mingos, DMP .

CHEMICAL SOCIETY REVIEWS, 1998, 27 (03) :213-223

[10]

Gadsden J.S., 1975, INFRARED SPECTRA MIN

← 1 2 3 →