Structure and microwave dielectric properties of La(2−x)/3Nax(Mg1/2W1/2)O3
作者： J.J. Bian , K. Yan , J. Ji
DOI: 10.1016/J.JEURCERAMSOC.2005.09.040
关键词:
摘要: Abstract The structure evolution, sintering behavior and microwave dielectric properties of La (2− x )/3 Na (Mg 1/2 W )O 3 ( = 0–0.5) were investigated in this paper. X-ray diffraction (XRD) results show that all samples exhibit single phase, the changed from orthorhombic when 0 ≤ ≤ 0.5. size ordering degree A/B-site domains decrease with increase value. temperature Na-doped increased compared to pure 2/3 (LMW) due estimated concentration A-site vacancies. addition + ion does not affect permittivity greatly. Q × f value decreases value, although vacancies increasing , which may be ascribed domain . coefficient resonant frequency negative values into positive
elsevier.com
sci-hub.se 参考文章(13)
In-Seon Kim, Woo-Hwan Jung, Yoshiyuki Inaguma, Tetsuro Nakamura, Mitsuru Itoh, Dielectric properties of a-site deficient perovskite-type lanthanum-calcium-titanium oxide solid solution system [(1 − x)La23TiO3 − xCaTiO3 (0.1 ≤ x ≤ 0.96)] Materials Research Bulletin. ,vol. 30, pp. 307- 316 ,(1995) , 10.1016/0025-5408(94)00142-1
I.G. Siny, Ruiwu Tao, R.S. Katiyar, Ruyan Guo, A.S. Bhalla, Raman spectroscopy of Mg-Ta order-disorder in BaMg1/3Ta2/3O3 Journal of Physics and Chemistry of Solids. ,vol. 59, pp. 181- 195 ,(1998) , 10.1016/S0022-3697(97)00154-6
J.-H. Park, P. M. Woodward, J. B. Parise, Predictive Modeling and High-Pressure−High-Temperature Synthesis of Perovskites Containing Monovalent Silver Chemistry of Materials. ,vol. 10, pp. 3092- 3100 ,(1998) , 10.1021/CM980212J
E. L. Colla, I. M. Reaney, N. Setter, Effect of structural changes in complex perovskites on the temperature coefficient of the relative permittivity Journal of Applied Physics. ,vol. 74, pp. 3414- 3425 ,(1993) , 10.1063/1.354569
Yasuyoshi Torii, Tadashi Sekiya, Crystallographic and dielectric properties of the Pb2(MgW)O6-La1.33(MgW)O6 solid solutions Materials Research Bulletin. ,vol. 16, pp. 1153- 1158 ,(1981) , 10.1016/0025-5408(81)90292-0
Jianjiang Bian, Gao Hong Bo, Wang Xiaowu, Microwave dielectric properties of (Pb1−3x/2Lax)(Mg1/2W1/2)O3 Materials Research Bulletin. ,vol. 39, pp. 2127- 2135 ,(2004) , 10.1016/J.MATERRESBULL.2004.06.006
M. A. Laguna, M. L. Sanjuán, A. Várez, J. Sanz, Lithium dynamics and disorder effects in the Raman spectrum ofLa(2−x)/3LixTiO3 Physical Review B. ,vol. 66, pp. 054301- ,(2002) , 10.1103/PHYSREVB.66.054301
S. B. DESU, H. M. O'BRYAN, Microwave Loss Quality of BaZn13Ta2/3O3 Ceramics Journal of the American Ceramic Society. ,vol. 68, pp. 546- 551 ,(1985) , 10.1111/J.1151-2916.1985.TB11521.X
Yoshiyuki Inaguma, Tetsuhiro Katsumata, Mitsuru Itoh, Yukio Morii, Crystal Structure of a Lithium Ion-Conducting Perovskite La2/3−xLi3xTiO3 (x=0.05) Journal of Solid State Chemistry. ,vol. 166, pp. 67- 72 ,(2002) , 10.1006/JSSC.2002.9560
J. W. Severin, R. Hokke, H. van der Wel, G. de With, Adhesion of electrolessly deposited Ni(P) layers on alumina ceramic. II. Interface characterization Journal of Applied Physics. ,vol. 75, pp. 3414- 3422 ,(1994) , 10.1063/1.356101