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Subsolidus phase relations and crystal structure of compounds in the PrOx-CaO-CuO system
Song, GB; Han, CQ; Chen, XL; Liang, JK; Liu, QL; Zhou, YQ; Liu, FS; Rao, GH
Corresponding AuthorSong, GB(gbsong@aphy.iphy.ac.cn)
2004-07-01
Source PublicationJOURNAL OF SOLID STATE CHEMISTRY
ISSN0022-4596
Volume177Issue:7Pages:2394-2403
AbstractThe subsolidus phase relations of the PrOx-CaO-CuO pseudo-ternary system sintered at 950-1000degreesC have been investigated by X-ray powder diffraction. In this system, there exist one compound Ca10Pr4Cu24O41, one Ca2Pr2Cu5O10-bascd solid solution, seven three-phase regions and two two-phase regions. The crystal structures of Ca10Pr4Cu24O41, and Ca2Pr2Cu5O10-based solid solution have been determined. Compound Ca10Pr4Cu24O41 crystallizes in an orthorhombic cell with space group D-2h(20) - Cccm, Z = 4. Its lattice parameters are a = 11.278(2) Angstrom, b = 12.448(3) Angstrom and c = 27.486(8) Angstrom. The crystal structure of Ca2Pr2Cu5O10-based solid solution is an incommensurate phase based on the orthorhombic NaCuO2 type subcell. The lattice parameters of the subcell of the Ca2.4Pr1.6Cu5O10 are a(0) = 2.8246(7) Angstrom, b(0) = 6.3693(5) Angstrom, c(0) = 10.679(1) Angstrom, and those of the orthorhombic superstructure are with a = 5a(0), b = b(0), c = 5c(0). The Ca2.4Pr1.6Cu5O10 structure can also be determined by using a monoclinic supercell with space group C-2h(5) - P2(1)/c, Z = 4, a = 5a(0), b = b(0), c = c(0)/sin beta and beta = 104.79(1)degrees or 136.60(1)degrees, V = 5a(0)b(0)c(0). (C) 2004 Elsevier Inc. All rights reserved.
Keywordphase relations crystal structure Pr-Ca-Cu-O system Ca10Pr4CU24O41 Ca2Pr2CU5O10 solid solution
DOI10.1016/j.jssc.2004.03.022
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Inorganic & Nuclear ; Chemistry, Physical
WOS IDWOS:000222314700024
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81416
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.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
4.SW Univ Sci & Technol, Sch Mat Sci & Engn, Mianyang 621002, Peoples R China
Recommended Citation
GB/T 7714
Song, GB,Han, CQ,Chen, XL,et al. Subsolidus phase relations and crystal structure of compounds in the PrOx-CaO-CuO system[J]. JOURNAL OF SOLID STATE CHEMISTRY,2004,177(7):2394-2403.
APA Song, GB.,Han, CQ.,Chen, XL.,Liang, JK.,Liu, QL.,...&Rao, GH.(2004).Subsolidus phase relations and crystal structure of compounds in the PrOx-CaO-CuO system.JOURNAL OF SOLID STATE CHEMISTRY,177(7),2394-2403.
MLA Song, GB,et al."Subsolidus phase relations and crystal structure of compounds in the PrOx-CaO-CuO system".JOURNAL OF SOLID STATE CHEMISTRY 177.7(2004):2394-2403.
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