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Subsolidus phase relation and crystal structure in the Pr1+x-yBa2-x-zCay+zCu3O7 +/-delta system
Song, GB; Liang, JK; Yang, LT; Chen, JR; Liu, GY; Yang, HF; Rao, GH
Corresponding AuthorSong, GB(gbsong@aphy.iphy.ac.cn)
2003
Source PublicationAPPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
ISSN0947-8396
Volume77Issue:7Pages:915-921
AbstractThe Pr1+xBa2-xCu3O7+/-delta solid solution was investigated by means of X-ray powder diffraction combined with Rietveld analysis. A Pr123 single phase could be synthesized under Pr-rich conditions by sintering at 950 degreesC in air. The solubility range of Pr1+xBa2-xCu3O7+/-delta solid solution is 0.08 less than or equal to x less than or equal to 0.80. The structure of Pr1+xBa2-xCu3O7+/-delta for 0.08 less than or equal to x less than or equal to 0.30 is orthorhombic. The structure transforms into tetragonal for 0.30 less than or equal to x less than or equal to 0.80. To form the Pr123 single phase, the Ba sites in the Pr123 structure must have partial Pr ions, and the least amount is x = 0.08. Ba ions cannot occupy the sites of Pr ions. In the Pr123 structure, Ca ions can replace Pr ions; the highest value is x = 0.4 in the PrBa2-xCaxCu3O7+/-delta system under our experimental conditions. However, Ca ions cannot replace B a ions. The ionic radius plays a more important role than the chemical properties in the substitution between Pr, Ba and Ca ions in the Pr123 structure.
DOI10.1007/s00339-002-2071-7
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000185915100012
PublisherSPRINGER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/116430
Collection中国科学院金属研究所
Corresponding AuthorSong, GB
Affiliation1.Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Ctr Condensed Matter Phys, Beijing 100080, Peoples R China
3.SW Univ Sci & Technol, Inst Min Mat & Appl, Mianyang 621002, Peoples R China
4.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Song, GB,Liang, JK,Yang, LT,et al. Subsolidus phase relation and crystal structure in the Pr1+x-yBa2-x-zCay+zCu3O7 +/-delta system[J]. APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING,2003,77(7):915-921.
APA Song, GB.,Liang, JK.,Yang, LT.,Chen, JR.,Liu, GY.,...&Rao, GH.(2003).Subsolidus phase relation and crystal structure in the Pr1+x-yBa2-x-zCay+zCu3O7 +/-delta system.APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING,77(7),915-921.
MLA Song, GB,et al."Subsolidus phase relation and crystal structure in the Pr1+x-yBa2-x-zCay+zCu3O7 +/-delta system".APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING 77.7(2003):915-921.
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