Phase equilibria in the Tl2MoO4-Ho2(MoO4)3-Zr(MoO4)2 system and the crystal structure of Ho2Zr2(MoO4)7 and TlHoZr0.5(MoO4)3

V. G. Grossman; B. G. Bazarov; Ts.T.Bazarova; L. A. Glinskaya; J. G. Bazarova; J. Temuujin

doi:http://dx.doi.org/

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자료유형: 학술저널

저자정보: V. G. Grossman (Russian Academy of Sciences) B. G. Bazarov (Russian Academy of Sciences) Ts.T.Bazarova (Russian Academy of Sciences) L. A. Glinskaya (Russian Academy of Sciences) J. G. Bazarova (Russian Academy of Sciences) J. Temuujin (Mongolian Academy of Sciences)

저널정보: 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제18권 제12호

발행연도: 2017.12

수록면: 875 - 881 (7page)

DOI: http://dx.doi.org/

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Subsolidus phase relations in the Tl2MoO4-Ho2(MoO4)3-Zr(MoO4)2 system have been studied by X-ray diffraction anddifferential thermal analysis methods. The system has been shown to contain molybdates with the compositionsTl5HoZr(MoO4)6 (5 : 1 : 2) and Tl2HoZr2(MoO4)6.5 (2 : 1 : 4). A new ternary molybdate TlHoZr0.5(MoO4)3 was discovered bythe method of spontaneous solution-melt crystallization through spontaneous nucleation, and its crystal structure has beendetermined to be: sp. gr. R 3, a = b = 13.3665(2) A, c = 11.9844(4) A, V = 1854.31(7) A3, Z = 6. The mixed three dimensionalframework of the crystal structure is composed of Mo tetrahedra sharing O vertices with (Ho,Zr)O6 octahedra. The thalliumatoms occupy wide channels in the framework. Crystals of binary molybdate of Ho2Zr2(MoO4)7 composition were grown bysolution-melt crystallization and their crystal structure were determined to be: sp. gr. С2/c, a = 20.6668(4), b = 9.8193(2), c =13.8187(3) A, b = 113.678(1)о, .V = 2568.20(9)A3, Z = 4. The crystal structure is composed of three types of polyhedra: МоО4tetrahedra, ZrO6 octahedra, and eight-vertex HoO8.

#Phase equilibria #synthesis #Thallium #Holmium #Zirconium #Molybdates #Crystal structure #Space group.

참고문헌 (19)

참고문헌 신청

V. G. Grossman / 2013 / Inorg. Mater 49:1224

V. G. Grossman / 2008 / J. Inorg. Chem 53:1788

V. G. Grossman / 2008 / Russ. J. Inorg. Chem 53:1660

O. D. Chimitova / 2008 / Russ. J. Appl. Chem 81:2043

B. G. Bazarov / 2008 / J. Struct. Chem 49:53

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