化学溶液法制备La2NiMn06+δ及其结构表征

来源 :稀有金属材料与工程 | 被引量 : 0次 | 上传用户:gzhguozhihong
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
分别利用固态反应法和化学溶液法制备了La22NiMnO6+δ氧化物块材.利用热重分析(TG)对化学溶液法前驱体混合物的热分解过程进行了研究;利用X射线衍射(XRD)和扫描电子显微镜(SEM)对2种方法合成的La2NiMnO6+δ氧化物的相组成和形貌结构进行了表征.结果表明,选择合适的前驱体(La(NO3)3、Ni(NO3)2、Mn(CH3COO)2),利用化学溶液法可以在较低温度和较短时问热处理得到单相的La2NiMnO6+δ氧化物,其晶粒平均尺寸约为200 nm.
其他文献
BIOLOG微平板技术是一种新型的鉴定物种群落结果多样性和均匀度的方法。随着土壤微生态研究的发展,这种方法在土壤微生态的研究上同样能够起到很好的效果。通过实验表明,应用
将含有菜豆 (Phaseoluslimensis)几丁质酶基因和烟草 (Nicotianatabacum) β 1,3 葡聚糖酶基因的pBLGC(16 5kb)质粒用基因枪法导入滇型杂交稻 (OryzasativaL .ssp .japonica
为解决AFLP中样品间共同片段对多态性片段识别的干扰,作者建立了一种"减法AFLP"标记技术,并运用这种技术成功对小麦中的外源染色体片段进行了标记.运用该技术,样品间的共同扩
Soil samples were collected from different rubber fields in twenty-five plots selected randomly in the Experimental Farm of the Chinese Academy of Tropical Agri
We compared 753 genomes of bacteria, archaea, and mitochondria (more than 540 M data) and found four unique ultraconserved sequences in 352 vertebrate mitochond
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥
Variation in the limit dextrinase activity of barley malt, and the relationships between limit dextrinase activity and malt quality parameters were investigated
Representative pioneer tree root systems in the subtropical area of South China were examined with regard to their structure, underground stratification and bio
In order to construct plasmid of hypoxia-inducible factor-lalpha (HIF-1α), and transfect into human lung cancer cells A549, the change in sensitivity of lung c
A 1050 bp up-stream regulatory fragment of the transcription factor gene NAC1 in Arabidopsis thaliana was isolated using polymerase chain reaction (PCR) based t