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Article
2,6-Bis(4,5-diethyl-1H-imidazol-2-yl)pyridine and its complex with divalent iron: the synthesis and study
Reaction of pyridine-2,6-dicarbaldehyde with hexane-3,4-dione and ammonium acetate affords 2,6-bis(4,5-diethyl-1H-imidazol-2-yl)pyridine (L) which was used as ligand in the synthesis of iron(ii) chloride complex ...
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Article
Spin-Orbit Interactions in Osmium Complexes
Osmium compounds with the Os 5d 4 electron configuration and an octahedral environment of neighboring atoms attract much attention due to the influence of the spin-orbit interaction on the appearance of magnetic ...
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Article
Open AccessStudy of Spin-Crossover in Iron(II) Complexes with 2,6-Bis(4,5-Dimethyl-1H-Imidazol-2-yl)Pyridine and closo-Borate Anions
New iron(II) coordination compounds with 2,6-bis(4,5-dimethyl-1H-imidazol-2-yl)pyridine (L) and closo-borate(2–) anions [FeL2]B10H10⋅2H2O and [FeL2]B12H12⋅H2O have been synthesized. The compounds have been identi...
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Article
High-Temperature Spin Crossover in Complexes of Iron(II) closo-Borates with 2,6-Bis(benzimidazol-2-yl)pyridine
New iron(II) complexes with 2,6-bis(benzimidazol-2-yl)pyridine (L) and closo-borate(2–) anions—[FeL2][B10H10] ⋅ 2H2O and [FeL2][B12H12] ⋅ H2O—have been synthesized. The complexes have been characterized by static...
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Article
XANES investigation of novel lanthanide-doped CuCr0.99Ln0.01S2 (Ln = La, Ce) solid solutions
The study of the valence state, local environment structure and magnetic properties of novel type CuCr0.99Ln0.01S2 (Ln = La, Ce) solid solutions was carried out using X-ray absorption spectroscopy, finite differe...
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Article
Electron Paramagnetic Resonance in Ge/Si Heterostructures with Mn-Doped Quantum Dots
Ge/Si quantum dot (QD) structures doped with Mn have been tested by the EPR method to find the optimal conditions for formation of the diluted magnetic semiconductor (DMS) phase inside QDs. The effect of Mn do...
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Article
XAFS Spectroscopy Study of Microstructure and Electronic Structure of Heterosystems Containing Si/GeMn Quantum Dots
Using X-ray absorption near edge structure spectroscopy, extended X-ray absorption fine structure spectroscopy, atomic force microscopy, and Rutherford backscattering spectroscopy, the features of the microstr...
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Article
Physicochemical Properties and Structure of SiCxNy:Fe Films Grown From a Gas Mixture of Ferrocene, Hydrogen and 1,1,3,3,5,5-Hexamethylcyclotrisilazane
Raman spectroscopy, high-resolution transmission electron microscopy (HRTEM), and EXAFS spectroscopy are used to study the composition and structure of SiCxNy:Fe films obtained by chemical vapor deposition (CVD) ...
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Article
Short-Range Order in Amorphous and Crystalline Ferroelectric Hf0.5Zr0.5O2
The microstructures of amorphous and polycrystalline ferroelectric Hf0.5Zr0.5O2 films are studied by X-ray spectroscopy and ellipsometry. EXAFS spectra demonstrate that the amorphous film consists of an “incomple...
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Article
A comparative study of the structure of copper and lead xanthates
XPS, PbL3 and CuK EXAFS, solid state NMR, and EPR techniques are used to study insoluble products formed in the interaction of aqueous solutions of lead(II) nitrate and copper (II) sulfate with potassium nbutylxa...
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Article
Microstructure of multilayer heterosystems containing molecules of Ge quantum dots in Si on the stages of nucleation and growth as revealed by EXAFS spectroscopy
GeK edge EXAFS (Extended X-Ray Absorption Fine Structure) spectra have been measured for multilayer semiconducting heterosystems containing interacted groups of quantum dots (“molecules from quantum dots”) ordere...
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Article
Structure and dimensions of gold clusters in cucurbit[n]uril (CB[n], n = 6, 7) cavities
The AuL 3 XAFS spectra of gold nanoparticles in cavities of cucurbit[6,7]uril are measured. Gold clusters are found to be characterized by smaller (by 0.03 Å) interatomic distances...
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Article
Diffusion and deformations in heterosystems with GaN/AlN superlattices, according to data from EXAFS spectroscopy
Multilayered samples with extremely narrow GaN quantum wells in an AlN host are synthesized via ammonia MBE. The parameters of the microstructure are determined by means of EXAFS spectroscopy, high-resolution ...
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Article
Iron(II) closo-borate complexes with 1,2,4-triazole derivatives: Spin crossover in the iron(II) closo-borate complexes with tris(pyrazol-1-yl)methane
Methods of synthesis of iron(II) complexes containing cluster closo-borate anions—[Fe(Htrz)3]B10Cl10 (I) (HTrz is 1,2,4-triazole), [Fe(NH2Trz)3]B10Cl10 · 2H2O (II) (NH2Trz is 4-amino-1,2,4-triazole), [Fe{HC(pz)3}
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Article
Features of the microstructure of gold nanoparticles inside cavities of cucurbit[7]uril according to XAFS spectra
The Au L 3 X-ray absorption fine structure (XAFS) spectra have been measured for gold nanoparticles with the calibrated size d Au ∼ 1 nm in the cavities of cucurbit[7]uril molecule...
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Article
Structure of bismuth(III) complexes with thiourea according to EXAFS spectroscopy Data
The EXAFS and XANES spectra of the solid complex Bi(tu)6(ClO4)3 (1) (tu is thiourea) and the solutions 0.1 M Bi(ClO4)3 + 1.8 M tu + 1 M HClO4 (2) and 0.05 M Bi(ClO4)3 + 1.5 M tu + 1 M HClO4 (3) were recorded. For...
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Article
The microstructure of vertically coupled quantum dots ensembles by EXAFS spectroscopy
The microstructure of samples containing Ge/Si, GaN/AlN, and InAs/AlAs (Ge, GaN, and InAs quantum dots (QDs) in the Si, AlN, and AlAs matrices, respectively) multilayer heterostructures has been investigated b...
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Article
EXAFS and EPR studies of inclusion compounds of the trans-[Cu(en)2(H2O)2]2+ in cucurbit[8]uril
This work describes EXAFS and EPR studies of inclusion compounds of the trans-[Cu(en)2(H2O)2]2+ complex in the macrocyclic cavitand CB[8] at different stages of heat treatment in the hydrogen atmosphere in a temp...
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Article
Analysis of the Ni K-edge X-ray absorption near edge structure in Ni((C2H5O)2PS2)2
The Ni((C2H5O)2PS2)2 complex has been investigated using the X-ray absorption near edge structure (XANES) analysis. Nickel K-edge XANES spectra of the complex have been measured and theoretical calculations of th...
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Article
Electronic structure of intercalation compounds of molybdenum disulfide MMoS2 (M = Cu, Ag) studied by X-ray emission and X-ray photoelectron spectroscopies
Electronic structures of intercalation compounds of molybdenum disulfide in which the MoS2 layers alternate with layers formed by the metal atoms (Cu, Ag) were studied by X-ray emission and photoelectron spect...
