铁酸铋纳米颗粒制备和气敏性(附件)【字数:11682】
目 录
摘 要.............................................................................................V
Abstract.........................................................................................VI第一章 绪论................................................
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...................................1
1.1 引言........................................................................................1
1.2 BiFeO3材料研究进展.................................................................1
1.2.1 BiFeO3的结构......................................................................2
1.2.2 BiFeO3的性能......................................................................2
1.2.3 BiFeO3的掺杂改性................................................................3
1.3 本论文的选题意义及研究内容.....................................................3
第二章 纳米材料的制备及表征方法...........................................5
2.1 纳米材料的制备方法....................................................................5
2.1.1 固相反应法..........................................................................5
2.1.2 水热法.................................................................................6
2.1.3 溶胶凝胶法..........................................................................6
2.2 BiFeO3的制备方法........................................................................6
2.2.1 实验药品及仪器..................................................................6
2.2.2 BiFeO3纳米颗粒制备...........................................................7
2.3 常见纳米材料表征方法...............................................................8
2.3.1 热重差热分析(TGDTA)......................................................8
2.3.2 扫描电子显微镜(SEM).......................................................9
2.3.3 透射电子显微镜(TEM)......................................................10
2.3.4 X射线衍射(XRD).............................................................10
第三章 BiFeO3的微结构与气敏性研究......................................11
3.1 Bi1xSrxFeO3纳米颗粒微结构表征................................................11
3.1.1 样品热重差热分析(TGDTA)..........................................11
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