Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Lyudmyla I. Ardanova"'
Publikováno v:
Fine Chemical Technologies. 15:54-62
Objectives. This study aimed to predict the limits of substitution and stability of luminescent materials based on low-temperature modifications of solid solutions (spatial group P21/c) with lutetium oxyorthosilicates (Lu1−xLnx)[(SiO4)0.5O0.5], whe
Autor:
Aleksey V. Ignatov, K. A. Chebyshev, Sergey Radio, Nellya Selikova, Lyudmyla I. Ardanova, E. I. Get’man, L. V. Pasechnik
Publikováno v:
Key Engineering Materials. 865:49-53
The purpose of the work is influence investigation of modifying Nd5Mo3O16+δ oxygen-conducting fluorite-related compound by lead at the crystal structure and conductivity. The substitution of lead for neodymium was studied by XRD (with structure refi
Publikováno v:
Key Engineering Materials. 865:37-42
The aim of the paper is to define the limits of substitution and phase stability for solidsolutions of orthovanadates with zircon structure Sc1–xLnxVO4, where Ln is a rare-earth element(REE), Ln = Ce – Lu. The mixing energies (interaction paramet
Publikováno v:
2021 IEEE 11th International Conference Nanomaterials: Applications & Properties (NAP).
Within the framework of the crystal–energy theory of isomorphous substitutions, the mixing energies and critical temperatures of decomposition (stability) of solid solutions with the tizonite structure in the La 1-x Ln x F 3 , Ln = Ce–Ho systems
Publikováno v:
Russian Journal of Inorganic Chemistry. 64:118-124
The energies of mixing (interaction parameters) and temperature ranges of stability of solid solutions Lu1 − xLnxVO4 (where Ln is a rare-earth element (REE), scandium, or yttrium) with the zircon structure were calculated using the crystal-energy t
Autor:
Tatiana M. Savankova, Lev G. Akselrud, Lyudmyla I. Ardanova, Alexey V. Ignatov, Eugeni I. Get’man, Roman E. Gladyshevskii, Stanislav N. Loboda
Publikováno v:
Journal of Chemistry, Vol 2014 (2014)
Solid solutions of Pb(8−x)Na2Smx(VO4)6O(x/2) were studied using X-ray diffraction analysis including Rietveld refinement and scanning electron microscopy and by measuring their electrical conductivity. Crystal structure of the solid solutions was r
Externí odkaz:
https://doaj.org/article/8dd4868e5e8b4d6f93325e3d59de2534
Publikováno v:
Springer Proceedings in Physics ISBN: 9783030747404
Urusov’s crystal energy theory of isomorphous substitutions was used to calculate mixing energies (interaction parameters) and critical decomposition temperatures (stability temperatures) of solid solutions in the systems Lu1–xLnxAsO4, Ln = Sm–
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c827d0076dec174878816b1ed76ea0d
https://doi.org/10.1007/978-3-030-74741-1_1
https://doi.org/10.1007/978-3-030-74741-1_1
Autor:
Ekaterina V. Borisova, Alexey V. Ignatov, Eugeni I. Get'man, Stanislav N. Loboda, Lyudmyla I. Ardanova, Lyudmila V. Pasechnik, Vitaly S. Ponurovsky
Publikováno v:
Journal of Chemistry, Vol 2013 (2013)
Sodium europium silicate, NaEu9(SiO4)6O2, with apatite structure has been obtained and studied using X-ray diffraction and SEM. It has been shown that sodium sublimation does not take place upon synthesis by the sol-gel method. Rietveld refinement ha
Externí odkaz:
https://doaj.org/article/8c77bcb5c2074ac4b0c9deda764b18a2
Autor:
E. I. Get’man, Ian M. Hill, S. V. Radio, Yuliia A. Oleksii, Lyudmyla I. Ardanova, Eduard E. Zubov
Publikováno v:
2020 IEEE 10th International Conference Nanomaterials: Applications & Properties (NAP).
The energies of mixing (interaction parameters) and critical decomposition temperatures of $\mathrm{S}\mathrm{c}{}_{1-x}\mathrm{L}\mathrm{n}_{x}\mathrm{V}\mathrm{O}_{4}$ solid solutions (where Ln is a rare-earth element (REE), Ln=Ce- Lu) with the zir
Publikováno v:
Inorganic Materials. 54:596-600
The energies of mixing (interaction parameters) in the Sc1–xLn x PO4 (Ln = Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y) systems have been calculated using Urusov’s crystal energy theory of isomorphous substitutions. The decomposition (stability) temperatur