New zircon-manganites of lanthanum and alkali metals

被引：0
|
作者：
Turdiyev, M. T. [1 ]
Kasenov, B. K. [2 ]
Nukhuly, A. [1 ]
Stoev, M. [3 ]
Sagintaeva, Zh. I. [2 ]
Kasenova, Sh. B. [2 ]
Kuanyshbekov, E. E. [2 ]
机构：
[1] LN Gumilyov Eurasian Natl Univ, Astana, Kazakhstan
[2] Zh Abishev Chem & Met Inst, Karaganda, Kazakhstan
[3] South West Univ Neofit Rilski, Blagoevgrad, Bulgaria
来源：
CHEMICAL BULLETIN OF KAZAKH NATIONAL UNIVERSITY | 2024年 / 111卷 / 1-2期
关键词：
lanthanum; zircono-manganite; lithium; sodium; potassium; synthesis; radiography;
D O I：
10.15328/cb1372
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Zircon-manganites of the composition LaMe2+ZrMnO6 (Me+ - Li, Na, K) were synthesized using the ceramic technology method in the range of 800-1200 degrees C by the interaction of lanthanum (III) oxides and lithium, sodium and potassium carbonates (analytical grade). Using X- ray diffraction methods, it was established that all synthesized zircon- manganites crystallize in a cubic system with the following lattice parameters: LaLi2ZrMnO6 - a = 16.26 +/- 0.02 angstrom; V-0 = 4300.93 +/- 0.06 angstrom(3); Z = 6; V-elem cell degrees = 716.82 +/- 0.02 angstrom(3); rho(x-ray) = 5.49 g/cm(3); rho(picn). = 5.42 +/- 0.06 g/cm(3); LaNa2ZrMnO6 - a= 16.85 +/- 0.02 angstrom; V-0 = 4785.46 +/- 0.02 angstrom(3); Z = 6; V-elem cell degrees = 795.58 +/- 0.02 angstrom(3); rho(x-ray) = 5.35 g/cm(3);rho(picn). = 5.30 +/- 0.04 g/cm(3); LaK2ZrMnO6 - a = 17.45 +/- 0.03 angstrom; V-0 = 5318.85 +/- 0.09 angstrom(3); Z = 6; V-elem cell degrees = 885.81 +/- 0.02 angstrom(3); rho(x-ray) = 5.16 g/cm(3); rho(picn). = 5.08 +/- 0.02 g/cm(3). It has been established that with an increase in ionic radii in the Li.Na.K series, the values of the parameter "a" and the volumes of lattices and unit cells of zircon- manganites increase.
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页码：22 / 27
页数：6
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