Preparation of La(Zn0.5Ti0.5)O3 powders via citric acid precursor

被引:13
作者
Cao, W
Xu, YB [1 ]
Wang, SJ
Lu, PX
Huang, GH
Xu, CF
机构
[1] Huazhong Univ Sci & Technol, State Key Lab Laser Technol, Wuhan 430074, Peoples R China
[2] Guangxi Teachers Coll, Dept Phys, Nanning 530001, Peoples R China
[3] Huazhong Univ Sci & Technol, State Key Lab Coal Combust, Wuhan 430074, Peoples R China
关键词
chemical synthesis; citric acid; La(Zn0.5Ti0.5)O-3;
D O I
10.1016/j.matlet.2005.02.025
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
La(Zn0.5Ti0.5)O-3 powders were synthesized by the Pechini process using citric acid as a complexing agent. The effect of the molar ratio of citric acid to total metal cations concentration (CA/M) and the pH of the starting solution on the crystallization behavior of La(Zn0.5Ti0.5)O-3 was investigated. Homogeneously mixed gel was obtained and transferred into resin through charring. Single-phase and well-crystallized La(Zn0.5Ti0.5)O-3 powders were obtained at 1000 degrees C for 2 h. DSC, TG and XRD were used to characterize the precursors and derived powders. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:1914 / 1918
页数:5
相关论文
共 16 条
[1]   THERMAL-DECOMPOSITION OF (SR, TI) ORGANIC PRECURSORS DURING THE PECHINI PROCESS [J].
CHO, SG ;
JOHNSON, PF ;
CONDRATE, RA .
JOURNAL OF MATERIALS SCIENCE, 1990, 25 (11) :4738-4744
[2]   Crystal structure and microwave dielectric properties of (1-x)La(Zn1/2Ti1/2)O3-xSrTiO3 system [J].
Cho, SY ;
Kim, IT ;
Hong, KS .
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1998, 37 (02) :593-596
[3]   Contribution of structure to temperature dependence of resonant frequency in the (1-x)La(Zn1/2Ti1/2)O3•xATiO3 (A = Ca, Sr) system [J].
Cho, SY ;
Youn, HJ ;
Lee, HJ ;
Hong, KS .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 2001, 84 (04) :753-758
[4]   Synthesis of yttrium aluminum garnet from a mixed-metal citrate precursor [J].
Cinibulk, MK .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 2000, 83 (05) :1276-1278
[5]  
ERROR NG, 1986, BETTER CERAMICS CHEM, V2, P571
[6]   Microwave dielectric properties of LaZn0.5Ti0.5O3 ceramics prepared by sol-gel process [J].
Kucheiko, S ;
Kim, HJ ;
Yeo, DH ;
Jung, HJ .
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1996, 35 (2A) :668-672
[7]   INFRARED SPECTRA AND MOLECULAR VIBRATIONS OF ETHYLENE GLYCOL AND DEUTERATED DERIVATIVES [J].
MATSUURA, H ;
MIYAZAWA, T .
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 1967, 40 (01) :85-+
[8]  
Pechini M.P, 1967, US Pat. Off., Patent No. [3330697, 3,330,697]
[9]   MODIFIED RESIN INTERMEDIATE PROCESSING OF PEROVSKITE POWDERS .1. OPTIMIZATION OF POLYMERIC PRECURSORS [J].
TAI, LW ;
LESSING, PA .
JOURNAL OF MATERIALS RESEARCH, 1992, 7 (02) :502-510
[10]   MODIFIED RESIN INTERMEDIATE PROCESSING OF PEROVSKITE POWDERS .2. PROCESSING FOR FINE, NONAGGLOMERATED SR-DOPED LANTHANUM CHROMITE POWDERS [J].
TAI, LW ;
LESSING, PA .
JOURNAL OF MATERIALS RESEARCH, 1992, 7 (02) :511-519