Қазақ ұлттық қыздар педагогикалық университеті / Казахский национальный женский педагогический университет
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- Некоторые метрики заблокированы вашиминастройками согласия
Тип записи:Публикация, SYNTHESIS AND X-RAY ANALYSIS OF COMPLEX FERRITE BILIFE2O5.(2017-01-31); ; ; The paper describes the synthesis and X-ray study of a complex structure of ferrite BiLiFe2O5. Ferrite with mixed complex oxide BiLiFe2O5 was synthesized by high temperature solid state reaction. The structure - Некоторые метрики заблокированы вашиминастройками согласия
Тип записи:Публикация, Synthesis and X-ray analysis of complex ferrite YbBiNaFe2O6,5(Al-Farabi Kazakh National University, 2017-06-30); ; The complex oxide phase of the composition YbBiNaFe2O6,5 was synthesized by the high-temperature solid-phase reaction. X-ray diffraction analysis was used to study the structure for the first time; the type of syngony, unit cell parameters, X-ray diffraction and pycnometric densities were determined. X-ray diffraction was carried out by homology method from the initial fluorite structure δBi2O3. The method of least squares refined the parameters of the crystal lattice. The parameters of the orthorhombic lattice of complex mixed ferrite at the value of the number of formula units Z=4 are: a=5.2319, в=5.2186, с=7.5702 Å. The correctness of the results of the X-ray diffraction of complex mixed ferrite was confirmed by the good agreement between the experimental and calculated values of the inverse squares of the interplanar distances (104/d2). Satisfactory consistency of the values of the X-ray and pycnometric densities, ρrad = 8.335, ρpik = 8.328 g/cm3, proves the correctness of the results of the experiment. A comparative analysis of the interrelation between the parameters of the crystal lattice and the parameters of the crystal lattices of the initial oxide δBi2O3. The analysis shows the values of the parameters “a” and “c” are in satisfactory agreement with the parameters of the crystal lattice δBi2O3, the parameter “c” is distorted from the value of the parameter “a” on √2. - Некоторые метрики заблокированы вашиминастройками согласия
Тип записи:Публикация, Synthesis and X-Ray Analysis of Complex Ferrites(Trans Tech Publications, 2017-07-01); ; ; Ferrite with mixed complex oxides BiNaFe2O5, BiKFe2O5 was synthesized by high temperature solid state reaction. The structure of the ferrites, type of syngony, parameters of the unit cells, radiographic and pycnometric densities were determined by X-ray phase analysis for a first time: BiNaFe2O5 – а=5,577, с=13,86 Å, γ=120º, Vun.cell. = 373,9 Å3, Z=4, ρrad.= 7,5262 г/см3, ρpicn.=7,5271 г/см3, BiKFe2O5 –а=5,545, с=13,65 Å, γ=120º, Vun.cell.= 363,45Å3, Z=6, ρrad.= 8,0367, ρpicn.=8,0375 г/см3. A comparative analysis of the relationship between crystal lattice parameters with parameters of the crystal lattice of initial oxides and complex ferrites has been performed. Research dependence of the magnetic moment of the complex ferrite BiNaFe2O5 of the applied magnetic field at a constant temperature T = 6.1405 K showed a paramagnetic shift in the structure.Цитирования (OpenAlex) 3Цитирования (OpenCitations) 3 - Некоторые метрики заблокированы вашиминастройками согласия
Тип записи:Публикация, Synthesis and Analysis of Chromium and Calcium Doped YMNO3(Oriental Scientific Publishing Company, 2019-06-25); ; ; ; Oriental Journal of Chemistry is a peer reviewed quarterly research journal of pure and applied chemistry. It publishes standard research papers in almost all thrust areas of current chemistry of academic and commercial importance. It provides a platform for rapid publication of quality research papers, reviews and chemistry letters. Oriental Journal of Chemistry is abstracted and indexed in almost all reputed National and International agencies.Цитирования (OpenAlex) 4Цитирования (OpenCitations) 3 - Некоторые метрики заблокированы вашиминастройками согласия
Тип записи:Публикация, Structure Property–Application Relationships of Spinel Ferrite Nanoparticles: From Synthesis to Functional Systems(Multidisciplinary Digital Publishing Institute, 2026-02-24); ; ; ; Krishnamoorthy Ramachandran). The physicochemical principles, advantages, and limitations of various synthesis techniques-including co-precipitation, combustion, sol-gel, thermal decomposition, hydrothermal, solvothermal, microwave-assisted, sonochemical, electrochemical, and solid-state reaction methods-are comparatively discussed. The influence of synthesis parameters on crystal structure, morphology, and cation distribution between tetrahedral and octahedral sites, as well as on magnetic, dielectric, and optical properties, is critically analyzed. Furthermore, the capabilities of characterization techniques such as X-ray diffraction (XRD), scanning electron microscopy with energy-dispersive spectroscopy (SEM/EDS), Fourier-transform infrared spectroscopy (FTIR), FT-Raman spectroscopy, dielectric measurements, and magnetic measurements for investigating spinel ferrites are comprehensively summarized. Finally, the high potential of spinel ferrite nanoparticles for applications in electronics, microwave devices, water treatment, catalysis, sensors, and biomedical fields is highlighted.Цитирования (OpenAlex) 28 - Некоторые метрики заблокированы вашиминастройками согласия
Тип записи:Публикация, Synthesis and electrophysical characterization of a three-phase Ca–Nd–Mn–Ni–O oxide system(Nature Portfolio, 2026-06-25)Цитирования (OpenAlex) 1 - Некоторые метрики заблокированы вашиминастройками согласия
Тип записи:Публикация, Structural and Functional Properties of the Oxide System LaCaCuVMnO7.5 and Its Composites with YBa2Cu3Ox(Multidisciplinary Digital Publishing Institute, 2026-07-06) - Некоторые метрики заблокированы вашиминастройками согласия
Тип записи:Публикация, Combined-Method Synthesis of CaTiO3 and SrTiO3 Perovskites with n-Hexane: Impact on Structure and Microstructure(2026-07-17); ; ; ; K. RamachandranThis study reports the synthesis of CaTiO3 and SrTiO3 with a perovskite structure by a combined route involving preliminary wet mixing of CaCO3/SrCO3 carbonates and TiO2 in n-hexane, followed by a solid – state reaction during high-temperature calcination. The phase composition and crystal structure of the obtained materials were examined by X-ray diffraction with Rietveld refinement, while the microstructure and elemental distribution were studied using SEM\EDX, and local structure and surface groups were probed by ATR– FTIR spectroscopy. It is shown that the presence of the organic solvent and the applied thermal treatment lead to the formation of single-phase CaTiO3 and SrTiO3 with orthorhombic and cubic modifications, respectively, and with crystallographic parameters with reference PDF cards. The average crystallite size calculated using the Sherrer equation confirmed the nanocrystalline nature of the powders, whereas SEM/EDX analysis reveals a highly porous microstructure and a homogeneous elemental distribution without noticeable metallic impurities. It is established that A-site cation substitution Ca2+/Sr2+ in combination with n-hexane wet mixing induces systematic changes in lattice symmetry, IR band positions and agglomerate morphology, enabling targeted tuning of the texture and potential functional properties of perovskite titanates. The proposed combined approach is a technologically simple and scalable method for producing nanostructured oxide perovskites that are promising as supports and active phases in catalytic systems for combustion processes, plasma-chemical oxidation and functional ceramics.