Chromites YbMCr2O5 (M = Li, Na, K, Cs): X-Ray Diffraction Study

被引：0

作者：

Tumataeva, B. B. ^{[1
]}

Kasenov, B. K. ^{[1
]}

Davrenbekov, S. Zh. ^{[1
]}

Mustafin, E. S. ^{[1
]}

Sagintaeva, Zh. I. ^{[1
]}

Kasenova, Sh. B. ^{[1
]}

Edil'baeva, S. T. ^{[1
]}

机构：

[1] Minist Educ & Sci Kazakhstan Republ, AO Fitokhimiya Res Ctr, Karaganda, Kazakhstan

来源：

RUSSIAN JOURNAL OF INORGANIC CHEMISTRY | 2009年 / 54卷 / 01期

关键词：

Chromite; Kazakhstan; Ytterbium; Rare Earth Oxide; Metal Carbonate;

D O I：

10.1134/S0036023609010069

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Ytterbium alkali-metal chromites YbMCr2O5 (M = Li, Na, K, Cs) were synthesized by a ceramic procedure from the corresponding oxides and carbonates. Their crystal systems and unit cell parameters were determined by the homology method: for YbMCr2O5, a = 10.34 angstrom, b = 10.62 angstrom, c = 15.05 angstrom, Z = 16, V degrees = 1653.74 angstrom(3), rho(X-ray) = 5.85 g/cm(3), rho(pycn) = 5.81 +/- 0.03 g/cm(3); for YbMCr2O5, a = 10.30 angstrom, b = 10.56 angstrom, c = 16.46 angstrom, Z = 16, V degrees = 1790.32 angstrom(3), rho(X-ray) = 5.64 g/cm(3), .pycn = 5.59 +/- 0.07 g/cm(3); for YbMCr2O5, a = 10.33 angstrom, b = 10.63 angstrom, c = 19.93 angstrom, Z = 16, V degrees = 2188.47 angstrom(3), rho(X-ray) = 5.95 g/cm(3), rho(pycn) = 5.91 +/- 0.03 g/cm(3); and for YbMCr2O5, a = 10.34 angstrom, b = 10.63 angstrom, c = 18.43 angstrom, Z = 16, V degrees = 2025.72 angstrom(3), rho(X-ray) = 5.19 g/cm(3), rho(pycn) = 5.16 +/- 0.05 g/cm(3).

引用

页码：27 / 29

页数：3

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