Search Results - "Knyazev, Alexander V."
-
1
Obtaining Ceramic Materials from Hydroxyapatite Using Spark-Plasma Sintering
Published in High temperature materials and processes (26-07-2018)“…Hydroxyapatite was synthesized via sol-gel and solid-state reaction. Both compounds were investigated using high-temperature X-ray diffraction and differential…”
Get full text
Journal Article -
2
Synthesis and thermal expansion of SrREE4(SiO4)3O apatites
Published in Bulletin of materials science (08-12-2023)“…This article presents the results of the optimization of solid-phase synthesis of oxysilicates of the composition SrREE 4 (SiO 4 ) 3 O (REE: La–Lu, except Ce,…”
Get full text
Journal Article -
3
Valence–Tautomeric Interconversion in a Bis(dioxolene)cobalt Complex with Iminopyridine Functionalized by a TEMPO Moiety. Phase Transition Coupled with Monocrystal Destruction
Published in Inorganic chemistry (18-12-2017)“…Iminopyridine modified by TEMPO nitroxide was utilized for the synthesis of an octahedral bis(o-semiquinonato)cobalt complex. Variable-temperature magnetic…”
Get full text
Journal Article -
4
New iodine-apatites: synthesis and crystal structure
Published in Turkish journal of chemistry (01-01-2021)“…The paper describes methods for the preparation of compounds with an apatite structure containing only iodine atoms in the “halogen” position. The crystal…”
Get full text
Journal Article -
5
Crystal-chemical and morphological interpretation of the biocompatibility of compounds in a Ca-Na-Bi-fluorapatite system
Published in Dalton transactions : an international journal of inorganic chemistry (17-01-2022)“…This work is devoted to the study of the features of isomorphism in compounds of a Ca-Na-Bi-P-O-F system with a crystalline structure of the mineral apatite,…”
Get more information
Journal Article -
6
Search for new apatite-like phases for lead utilization based on crystal structure and thermal expansion
Published in Journal of the Serbian Chemical Society (01-01-2024)“…Apatites, being one of the most numerous mineral-like families of compounds, are considered as a matrix for binding lead ions, which is dangerous for the…”
Get full text
Journal Article -
7
Ultrasonic Irradiation Synthesis and Properties of Copolymers of N,N-Dimethylaminoethylmethacrylate with Chitosan
Published in Journal of polymers and the environment (01-05-2023)“…The copolymerization of N,N-dimethylaminoethyl methacrylate (DMAEMA) on chitosan (CTS) using ultrasonic irradiation was performed in the presence of ammonium…”
Get full text
Journal Article -
8
Apatite-structured compounds: Synthesis and high-temperature investigation
Published in Materials chemistry and physics (15-02-2012)“…[Display omitted] ► 25 Apatite-structured compounds of different composition were synthesized. ► Phase transformations of them in wide temperature interval…”
Get full text
Journal Article -
9
Making bioceramics from CaBiPO-apatite
Published in Bulletin of materials science (01-12-2021)“…To make ceramic antibacterial biocompatible material, we synthesized mixed calcium–bismuth oxophosphate (CaBiPO-apatite) with apatite structure. A mixture of…”
Get full text
Journal Article -
10
Structure and calorimetric study of complex oxides based on lanthanum, tungsten, and alkaline earth elements MeLa2WO7 (Me = Mg, Ca, Sr, Ba)
Published in Journal of thermal analysis and calorimetry (01-12-2020)“…As a result of citrate synthesis by the “sol–gel” method, we obtained samples of the compounds of ternary oxides with lanthanum, tungsten, and alkaline earth…”
Get full text
Journal Article -
11
Lattice dynamics and high‐pressure properties of K‐ionic conducting system KNbTeO6
Published in Journal of Raman spectroscopy (01-12-2020)“…In the present work, we report results of high‐pressure Raman scattering spectroscopy, on the ionic conducting system KNbTeO6, as well as lattice dynamics…”
Get full text
Journal Article -
12
Structural Characteristics and Thermodynamic Functions of Compounds Ba(La1–x Pr x )2WO7 (x from 0.005 to 0.05)
Published in Journal of chemical and engineering data (12-12-2019)“…A sol–gel method was used to synthesize barium, lanthanum, and tungsten-based samples doped with praseodymium Ba(La1–x Pr x )2WO7, where x = 0.005 ÷ 0.05. The…”
Get full text
Journal Article -
13
Betulin-3,28-diphosphate. Physico-Chemical Properties and In Vitro Biological Activity Experiments
Published in Molecules (Basel, Switzerland) (14-05-2018)“…Betulin-3,28-diphosphate (BDP) obtained by phosphorylation of betulin using POCl₃ has two main structural forms-BDP-1 and BDP-2-which differ in ethanol…”
Get full text
Journal Article -
14
Combustion calorimetry and low-temperature X-ray diffraction of steroid hormone: Hydrocortisone acetate
Published in Journal of thermal analysis and calorimetry (01-03-2016)“…The energy of combustion of the hydrocortisone acetate has been measured at 298.15 K by combustion calorimetry (in a calorimeter with a static bomb and an…”
Get full text
Journal Article -
15
Combustion calorimetry and low-temperature X-ray diffraction of steroid hormone
Published in Journal of thermal analysis and calorimetry (01-03-2016)“…The energy of combustion of the hydrocortisone acetate has been measured at 298.15 K by combustion calorimetry (in a calorimeter with a static bomb and an…”
Get full text
Journal Article -
16
Crystal Structure and Thermodynamic Properties of Barium-Thulium Bismuthate with Perovskite Structure
Published in Journal of the American Ceramic Society (01-06-2013)“…A new sample of triple oxides—barium–thulium bismuthate Ba2TmBiO6 with perovskite structure—has been synthesized by ceramic technology. The unit cell…”
Get full text
Journal Article -
17
Lattice dynamics and high‐pressure properties of K‐ionic conducting system KNbTeO 6
Published in Journal of Raman spectroscopy (01-12-2020)“…Abstract In the present work, we report results of high‐pressure Raman scattering spectroscopy, on the ionic conducting system KNbTeO 6 , as well as lattice…”
Get full text
Journal Article -
18
Low-temperature heat capacity and thermodynamic functions of thulium and lutetium titanates and Schottky anomaly in Tm2Ti2O7
Published in The Journal of chemical thermodynamics (01-02-2022)“…•Thulium and lutetium titanates were synthesized from oxides by solid state reaction.•Structural refinement and measurements by adiabatic calorimetry were…”
Get full text
Journal Article -
19
Thermal expansion of solid solutions in apatite binary systems
Published in Materials research bulletin (01-01-2015)“…Thermal dependencies of volume thermal expansion parameter for with thermal expansion diagrams for Pb5(PO4)3FxCl1−x. [Display omitted] •Solid solutions in…”
Get full text
Journal Article -
20
Structure and calorimetric study of complex oxides based on lanthanum, tungsten, and alkaline earth elements MeLa.sub.2WO.sub.7
Published in Journal of thermal analysis and calorimetry (01-12-2020)“…As a result of citrate synthesis by the "sol-gel" method, we obtained samples of the compounds of ternary oxides with lanthanum, tungsten, and alkaline earth…”
Get full text
Journal Article