Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Yu. G. Konyukhova"'
Publikováno v:
Optics and Spectroscopy. 115:155-160
Synthesis of CdS and ZnS nanoparticles in reverse micelles and organic solvents has been carried out. Particles with a hexagonal structure 2–5 nm in size are formed during synthesis. Maintaining the reaction mixture at room temperature leads to the
Publikováno v:
Quantum Electronics. 41:335-339
An algorithm and a program are developed allowing the correction of experimentally measured luminescence spectra of nanocomposite materials with the aim to determine the luminescence spectra of the nanoparticles or of the local regions of the sample.
Publikováno v:
Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques. 4:654-657
CdS nanoparticles in the high-pressure polyethylene (HPPE) matrix have been synthesized and investigated. Shift of the fundamental absorption edge has been shown to be absent with a variation in the nanoparticle size for the given samples and a small
Autor:
Vyacheslav I. Kochubey, E. K. Volkova, D. I. Kochubey, Igor V. Zabenkov, S. I. Tatarinov, Yu. G. Konyukhova
Publikováno v:
Optics and Spectroscopy. 109:154-161
The properties of CdS nanoparticles synthesized in a polyethylene matrix and an ortho-xylene solution are compared. It is shown that these nanoparticles have different shapes, structures, and degrees of imperfection. Due to these differences, unaggre
Publikováno v:
High Energy Chemistry. 44:153-157
The structure and optical characteristics of CdS nanoparticles synthesized in low-density polyethylene were studied. The particles have a hexagonal structure of the greenockite type; the presence of the cubic phase is also possible. The position of t
Publikováno v:
Journal of Structural Chemistry. 48:1099-1104
Nickel-doped alkali halide microcrystals were obtained by various methods, including an original synthetic procedure. Their spectral and structural characteristics were investigated. The crystal field strength was calculated from the reflection spect
Publikováno v:
Journal of Applied Spectroscopy. 69:265-269
It is shown that x‐ray spectral methods — those of EXAFS‐ and XEOL spectroscopy — allow determination both of the structure of inherent or impurity centers of luminescence in alkali‐halide crystals and investigation of the dynamics of their
Autor:
Nina P. Zvezdova, D. I. Kochubey, K.E Gyunsburg, Vyacheslav I. Kochubey, Tatyana A. Bashkatova, Yu. G. Konyukhova
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 470:327-330
When introduction of nickel activator into a NaCl crystal is performed by thermal diffusion in the near-surface area of the crystal, impurity clusters of various structures exist simultaneously in consequence of aggregate formation. The given paper s
Publikováno v:
Journal of X-ray science and technology. 10(3)
The materials on the basis of alkali-halide crystals for recording the X-ray images are developed. Their spatial resolution is 1 μm, dynamic range of recording is more than 10000. The media allow readout without erasing the image and extended storag
Publikováno v:
Scopus-Elsevier
The influence of high-temperature heating on the spectral characteristics of pure natural NaCl crystals is studied. It is shown that defects changing spectral characteristics of crystals are formed in them when heated. Temperature dependences of the
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