Preparation and microstructure characterization of novelLa_(2-x)Sr_(2-x)Nb_2O_(10-x) oxides

R. Rangel; F. Morales; R. Garcia; D.H. Galvan

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Preparation and microstructure characterization of novelLa_(2-x)Sr_(2-x)Nb_2O_(10-x) oxides

机译：新型La_（2-x）Sr_（2-x）Nb_2O_（10-x）氧化物的制备及微观结构表征

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The aim of the present work is to report the study of samples with the La_(2-x)Sr_(2-x)Nb_2O_(10-x) stoichiometry obtained under different synthesis conditions. The materials were characterized and studied by means of Scanning Electron Microscopy (SEM), High Resolution Transmission Electron Microscopy (HRTEM), X-ray diffraction analysis (XRD), and AC Susceptibility. A preliminary identification of the main peaks appearing in the diffraction patterns is shown for the synthesized phases. The La_(2-x)Sr_(2-x)Nb_2O_(10-x) compound undergoes a structural change as a function sintering temperature, with three kinds of the stabilized structure, one is from 1173

机译：本工作的目的是报告在不同合成条件下获得的具有La_（2-x）Sr_（2-x）Nb_2O_（10-x）化学计量的样品的研究。通过扫描电子显微镜（SEM），高分辨率透射电子显微镜（HRTEM），X射线衍射分析（XRD）和AC磁化率对材料进行了表征和研究。对于合成相，显示了对衍射图中出现的主峰的初步鉴定。 La_（2-x）Sr_（2-x）Nb_2O_（10-x）化合物随烧结温度的变化而发生结构变化，具有三种稳定结构，一种来自1173

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来源
《Materials Letters》 |2011年第12期|p.1846-1849|共4页
作者
R. Rangel; F. Morales; R. Garcia; D.H. Galvan;
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作者单位

Facultad de Ingenieria Quimica, UMSNH, Morelia, Mich., Mexico;

Instiruto de Investigations en Materiales, Universidad National Autonoma de Mexico, Distrito Federal, Mexico;

Departo. de Investigation en Fisica, Universidad de Sonora, Hermosillo, Sonora, Mexico;

Centro de Nanociencias y Nanotecnologia, Universidad National Autonoma de Mexico, Ensenada, B. C, Mexico;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类
关键词
perovskites; lanthanum; strontium; niobium; magnetism; hrtem;

机译：钙钛矿;镧;锶;铌;磁性;高温;

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Preparation and microstructure characterization of novelLa_(2-x)Sr_(2-x)Nb_2O_(10-x) oxides

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