(1-x)Sr1.85Ca0.15NaNb5O15-xBiFeO3陶瓷的显微结构及烧结、介电性能
Microstructure, Sintering and Dielectric Properties of (1-x)Sr1.85Ca0.15NaNb5O15-xBiFeO3
Ceramics
摘 要
采用固相反应法制备了糖心产精国品免费入口*完整版的(1-x) Sr1.85Ca0.15NaNb5O15-x 糖心产精国品免费入口*完整版(SCNN-BFO)陶瓷, 研究了BFO含量对该陶瓷显微结构、烧结和介电性能的影响。结果表明: 当x≥0.1时, 使陶瓷具有最大密度的烧结温度从1 350 ℃降低到了1 250 ℃, 并且抑制了烧结开裂问题; 当x=0.2时, 陶瓷中出现了Sr2(FeNb)O6和Bi1.34Fe0.66Nb1.34O6.35杂质相, 且二者的含量随BFO含量的增加而增加; x=0.6时, Bi1.34Fe0.66Nb1.34O6.35成为主晶相; x＜0.1时, 陶瓷的介电常数和介电损耗均较低; 随BFO含量的增加, 低频介电常数显著增大, 介电损耗出现峰值后减小。
糖心产精国品免费入口*完整版
糖心产精国品免费入口*完整版
糖心产精国品免费入口*完整版
介电性能
tungsten bronze structure
糖心产精国品免费入口*完整版
糖心产精国品免费入口*完整版
糖心产精国品免费入口*完整版
dielectric property
Abstract
(1-x)Sr1.85Ca0.15NaNb5O15-x糖心产精国品免费入口*完整版 (SCNN-BFO) ceramics with tungsten brone structure were prepared by solid phase reaction method. The effects of BFO contents on microstructure, sintering and dielectric properties of the ceramics were studied. The results show that sintering temperature to make the ceramics owning maximum densy decreased from 1 350 ℃ to 1 250 ℃ when was more than or equal to 0.1, and sintering cracking was restrained. Sr2(FeNb)O6 and Bi1.34Fe0.66Nb1.34O6.35 phases appeared when x=0.2, the both content increased with BFO contents, and Bi1.34Fe0.66Nb1.34O6.35 became the major phase when x=0.6. Dielectric constant and dielectric loss were low when x＜0.1, low frequency dielectric constant increased rapidly with the increase of BFO content, and the dielectric loss appeared peak value and then decreased.
中图分类号 TH117.3
所属栏目 新材料 新工艺
基金项目 福建省科技重大专项及发改委资助项目(2005HZ02-03); 福建省高等学校新世纪优秀人才支持计划资助项目(XSJRC2007-16)
收稿日期 2010/12/22
修改稿日期 2011/7/1
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备注糖心产精国品免费入口*完整版(1985-), 女, 山东济南人, 硕士研究生。
引用该论文: MA Na,ZHENG Xing-hua,TANG De-ping. Microstructure, Sintering and Dielectric Properties of (1-x)Sr1.85Ca0.15NaNb5O15-xBiFeO3 Ceramics[J]. Materials for mechancial engineering, 2012, 36(1): 68～71
糖心产精国品免费入口*完整版,糖心产精国品免费入口*完整版,糖心产精国品免费入口*完整版. (1-x)Sr1.85Ca0.15NaNb5O15-xBiFeO3陶瓷的显微结构及烧结、介电性能[J]. 机械工程材料, 2012, 36(1): 68～71
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参考文献
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【11】 XIE R J, AKIMUNE Y, MATSUO K, et al. Dielectric and ferroelectric properties of tetragonal tungsten bronze 糖心产精国品免费入口*完整版(x=0.05-0.35)ceramics [J].Appl Phys Lett, 2002, 80: 835-837.
【12】 XIE R J, AKIMUNE Y. Lead-free piezoelectric ceramics in the 糖心产精国品免费入口*完整版(x=0.05-0.35)system [J].J Mater Chem, 2002, 12: 3156-3161.
【13】 XIE R J, AKIMUNE Y, WANG R P, et al. Spark plasma sintering of tungsten bronze 糖心产精国品免费入口*完整版(x=0.1) piezoelectric ceramics I: processing and microstructure [J]. J Am Ceram Soc, 2002, 85(11): 2725-2730.
【14】 FILIPPETTI A, HILL N A. First principles study of structural, electronic and magnetic interplay in ferroelectromagnetic yttrium manganite [J].J Magn Magn Mater, 2001, 236: 176-186.
【15】 KUBEL F, SCHMID H. Structure of ferroelectric and ferroelastic monodomain crystal of the perovskite 糖心产精国品免费入口*完整版 [J]. Acta Cryst B, 1990, 46: 698-702.
【16】 YUAN G L, WANG Y P, LIU Z G, et al. Preparation and multi-properties of insulated single-phase 糖心产精国品免费入口*完整版 ceramics [J]. Solid State Comm, 2006, 138: 76-81.
【17】 王越, 张依才, 胡振江, 等. SCNN无铅压电陶瓷的制备和特性研究[J].北京工业大学学报, 2009, 35(1): 125-129.
【18】 崔玉, 杜慧玲, 史翔, 等, 含Sr铋基焦绿石材料的介电弛豫性能[J].硅酸盐学报, 2010, 38(6): 1007-1012.
【19】 方俊鑫, 殷之文.电介质物理学[M].北京: 科学出版社, 2000.
【2】 赵焕绥, 任天令, 张沛霖, 等. Sr1.95Ca0.05NaNb5O15晶体的介电热电和热学性质[J].山东大学学报: 自然科学版, 1993, 28(3): 311-315.
【3】 NEURGAONKAR R R, HALL W F, OLIVER J R. Growth and ferroelectric properties of tungsten bronze 糖心产精国品免费入口*完整版 single crystals [J].Ferroelectrics, 1988, 23: 1459-1467.
【4】 NEURGAONKAR R R, OLIVER J R, COPY W K, et al. Piezoelectricity in tungsten bronze crystals [J].Ferroelectrics, 1994, 160: 265-276.
【5】 韩兆忠, 孙大亮, 杨兆荷, 等. 新型糖心产精国品免费入口*完整版晶体SCNN [J].硅酸盐学报, 1993, 21(4): 376-379.
【6】 JAMIESON P B, ABRAHAMS S C, BERNSTEIN J L. Ferroelectric tungsten bronze-type crystal structures II: barium sodium niobate Ba(4+x)Na(2-2x)Nb10O30 [J].J Chem Phys, 1969, 50(10): 4352-4363.
【7】 FRANCOMBE M H. The relation between structure and ferroelectricity in lead barium and barium strontium niobates[J].Acta Crystallogr, 1960, 13: 131-140.
【8】 KIMURA T, MIYAMOTO S, YAMAGUCHI T. Microstructure development and dielectric properties of potassium strontium niobate ceramics [J].J Am Ceram Soc, 1990, 73(1): 127-130.
【9】 MATSUO K, XIE R J, AKIMUNE Y, et al. Preperation of lead-free 糖心产精国品免费入口*完整版(x=0.1)-based piezoceramics with tungsten bronze structure [J].J Ceram Soc Jpn, 2002, 110(5): 491-494.
【10】 XIE R J, AKIMUNE Y, WANG R P, et al. Spark plasma sintering of tungsten bronze 糖心产精国品免费入口*完整版(x=0.1) piezoelectric ceramics II: electrical properties [J].J Am Ceram Soc, 2002, 85(11): 2731-2737.
【11】 XIE R J, AKIMUNE Y, MATSUO K, et al. Dielectric and ferroelectric properties of tetragonal tungsten bronze 糖心产精国品免费入口*完整版(x=0.05-0.35)ceramics [J].Appl Phys Lett, 2002, 80: 835-837.
【12】 XIE R J, AKIMUNE Y. Lead-free piezoelectric ceramics in the 糖心产精国品免费入口*完整版(x=0.05-0.35)system [J].J Mater Chem, 2002, 12: 3156-3161.
【13】 XIE R J, AKIMUNE Y, WANG R P, et al. Spark plasma sintering of tungsten bronze 糖心产精国品免费入口*完整版(x=0.1) piezoelectric ceramics I: processing and microstructure [J]. J Am Ceram Soc, 2002, 85(11): 2725-2730.
【14】 FILIPPETTI A, HILL N A. First principles study of structural, electronic and magnetic interplay in ferroelectromagnetic yttrium manganite [J].J Magn Magn Mater, 2001, 236: 176-186.
【15】 KUBEL F, SCHMID H. Structure of ferroelectric and ferroelastic monodomain crystal of the perovskite 糖心产精国品免费入口*完整版 [J]. Acta Cryst B, 1990, 46: 698-702.
【16】 YUAN G L, WANG Y P, LIU Z G, et al. Preparation and multi-properties of insulated single-phase 糖心产精国品免费入口*完整版 ceramics [J]. Solid State Comm, 2006, 138: 76-81.
【17】 王越, 张依才, 胡振江, 等. SCNN无铅压电陶瓷的制备和特性研究[J].北京工业大学学报, 2009, 35(1): 125-129.
【18】 崔玉, 杜慧玲, 史翔, 等, 含Sr铋基焦绿石材料的介电弛豫性能[J].硅酸盐学报, 2010, 38(6): 1007-1012.
【19】 方俊鑫, 殷之文.电介质物理学[M].北京: 科学出版社, 2000.
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