Crystal structure and thermal properties of compound K2Zn3(P2O7)(2)
Ji, L. N.; Cai, G. M.; Li, J. B.; Luo, J.; Liang, J. K.1; Zhang, J. Y.; Liu, Y. H.; Rao, G. H.; Chen, X. L.
Corresponding AuthorLiang, J. K.()
AbstractK2Zn3(P2O7)(2) was synthesized by solid state reaction and its crystal structure was determined by ab initio method from powder X-ray diffraction (XRD) data. The title compound was determined to be orthorhombic with space group P2(1)2(1)2(1), Z=4, and lattice parameters a=12.901(8) angstrom, b=10.102(6) angstrom, and c=9.958(1) angstrom. Values of lattice parameters from 303 to 573 K were measured by temperature-dependent XRD. Thermal expansion coefficients alpha(0), lattice parameters, and cell volume at 0 K were determined to be alpha(0)(a)=1.62327X 10(-4)/K, a(0)=12.855(4) angstrom, alpha(0)(b) = 1.17921 X 10(-4)/K, b(0)=10.070(8) angstrom, alpha(0)(c)=2.62364X 10(-4)/K, c(0)=9.880(4) angstrom, and alpha(0)(V) = 6.599 X 10(-2) /K, V-0 = 1278.967(0) angstrom(3). The specific heat equation as a function of temperature was determined to be C-p=0.77115 +0.00231 T-1241.60027T(-2)- 1.4133 X 10(-6)T(2) (J/K g), for temperatures from 198 to 710 K. The melting point estimated from the mu-DTA heating curve is 795 degrees C. (C) 2008 International Centre for Diffraction Data. [DOI: 10.1154/1.2992517]
KeywordK2Zn3(P2O7)(2) structure determination thermal expansion coefficient specific heat
Funding OrganizationNational Natural Science Foundation of China
Indexed BySCI
Funding ProjectNational Natural Science Foundation of China[50672123]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Characterization & Testing
WOS IDWOS:000261718200006
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLiang, J. K.
Affiliation1.Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
2.Acad Sinica, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Ji, L. N.,Cai, G. M.,Li, J. B.,et al. Crystal structure and thermal properties of compound K2Zn3(P2O7)(2)[J]. POWDER DIFFRACTION,2008,23(4):317-322.
APA Ji, L. N..,Cai, G. M..,Li, J. B..,Luo, J..,Liang, J. K..,...&Chen, X. L..(2008).Crystal structure and thermal properties of compound K2Zn3(P2O7)(2).POWDER DIFFRACTION,23(4),317-322.
MLA Ji, L. N.,et al."Crystal structure and thermal properties of compound K2Zn3(P2O7)(2)".POWDER DIFFRACTION 23.4(2008):317-322.
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