Subsolidus phase relation and crystal structure of the PrBa2-xSrxCu3O7 +/-delta system

doi:10.1016/j.jallcom.2003.09.119

CORC > 金属研究所 > 中国科学院金属研究所

	Subsolidus phase relation and crystal structure of the PrBa2-xSrxCu3O7 +/-delta system
	Song, GB ; Liang, JK ; Yang, LT ; Liu, QL ; Liu, GY ; Yang, HF ; Rao, GH
刊名	JOURNAL OF ALLOYS AND COMPOUNDS
	2004-05-12
卷号	370 期号:1-2 页码:302-306
关键词	Pr123 solid solution ionic radius chemical property substitution
ISSN号	0925-8388
DOI	10.1016/j.jallcom.2003.09.119
通讯作者	Song, GB(gbsong@aphy.iphy.ac.cn)
英文摘要	The PrBa2-xSrxCu3O7+/-delta solid solution was investigated by means of X-ray powder diffraction in combination with Rietveld analysis. The Sr-doped Pr123 single phase could be synthesized at 950degreesC in air. The solubility of PrBa2-xSrxCu3O7+/-delta solid solution is 0.2 less than or equal to x less than or equal to 0.6. The structure of PrBa2-xSrxCu3O7+/-delta is orthorhombic for x = 0.2. The structure transforms into tetragonal for 0.3 less than or equal to x less than or equal to 0.6. In the PrBa2-xSrxCu3O7+/-delta structure, Sr ions can replace Ba ions, the highest value is x = 0.6 under our experimental condition. But Sr ions could not replace Pr ions. Furthermore Pr ions could not occupy the sites of Ba ions in the PrBa2-xSrxCu3O7+/-delta system. Both ionic radii and chemical properties play an important role in the mutual substitution of Pr, Ba and Sr ions in the Pr123 structure of the PrBa2-xSrxCu3O7+/-delta system. (C) 2003 Elsevier B.V. All rights reserved.
WOS研究方向	Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
语种	英语
出版者	ELSEVIER SCIENCE SA
WOS记录号	WOS:000221158200056
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/119151]
专题	金属研究所_中国科学院金属研究所
通讯作者	Song, GB
作者单位	1.Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China 2.Chinese Acad Sci, Ctr Condensed Mat Phys, Beijing 100080, Peoples R China 3.SW Univ Sci & Technol, Sch Mat Sci & Engn, Mianyang 621002, Peoples R China 4.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Song, GB,Liang, JK,Yang, LT,et al. Subsolidus phase relation and crystal structure of the PrBa2-xSrxCu3O7 +/-delta system[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2004,370(1-2):302-306.
APA	Song, GB.,Liang, JK.,Yang, LT.,Liu, QL.,Liu, GY.,...&Rao, GH.(2004).Subsolidus phase relation and crystal structure of the PrBa2-xSrxCu3O7 +/-delta system.JOURNAL OF ALLOYS AND COMPOUNDS,370(1-2),302-306.
MLA	Song, GB,et al."Subsolidus phase relation and crystal structure of the PrBa2-xSrxCu3O7 +/-delta system".JOURNAL OF ALLOYS AND COMPOUNDS 370.1-2(2004):302-306.