Roles of Te and Mn in the two phases of manganite with nominal composition La0.6Sr0.1TexMnO3

Powder samples with nominal composition La 0.6 Sr 0.1 Te x MnO 3 ( x = 0.00, 0.05, 0.10, 0.15, 0.20) were prepared using the sol-gel method with thermal treatment up to 1473 K. On the basis of powder X-ray diffraction (XRD), thermogravimetric and magnetic measurements, it was found that almost all o...

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Veröffentlicht in:	Rare metals 2011-06, Vol.30 (3), p.232-240
Hauptverfasser:	Li, Yanfeng, Ji, Denghui, Zhao, Zhiwei, Tang, Guide, Liu, Shaopeng, Zhang, Yuge, Li, Zhuangzhi, Hou, Denglu, Zhu, Minggang
Format:	Artikel
Sprache:	eng
Schlagworte:	Biomaterials Chemistry and Materials Science Energy Materials Engineering Materials Science Metallic Materials Nanoscale Science and Technology Physical Chemistry
Online-Zugang:	Volltext
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Zusammenfassung:	Powder samples with nominal composition La 0.6 Sr 0.1 Te x MnO 3 ( x = 0.00, 0.05, 0.10, 0.15, 0.20) were prepared using the sol-gel method with thermal treatment up to 1473 K. On the basis of powder X-ray diffraction (XRD), thermogravimetric and magnetic measurements, it was found that almost all of the Te and a few of the Mn ions were lost from the samples when they were calcined at 1473 K. The reason for the Te loss and a quantitative phase analysis for the samples calcined at 1473 K are discussed in detail.
ISSN:	1001-0521 1867-7185
DOI:	10.1007/s12598-011-0374-6