Zobrazeno 1 - 10
of 18
pro vyhledávání: '"I. M. Rizak"'
Autor:
N. A. Klishevych, I. M. Rizak
Publikováno v:
Pedagogical sciences reality and perspectives.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::739f5a3b209f460b883abab97932d372
https://doi.org/10.31392/npu-nc.series5.2020.75.23
https://doi.org/10.31392/npu-nc.series5.2020.75.23
Publikováno v:
Physics of the Solid State. 53:2316-2320
The mechanical properties of As2Se3 and Ge2Se3 thin films have been studied by the method of quasi-static nonoindentation. The mechanisms of formation and recovery of the indentations in the studied materials have been analyzed under conditions of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c70bb7f96fba03ab6a3b13138e31991c
https://doi.org/10.1134/s1063783411110060
https://doi.org/10.1134/s1063783411110060
Publikováno v:
Physics of the Solid State. 52:1468-1474
The results obtained from ab initio calculations of the optimized configuration and electronic structure of the cluster models of Sn2P2S6 ferroelectric crystals are presented. The calculations have been performed using the spin-restricted Hartree-Foc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a64859bb90f73431cca18b1369ce7d9
https://doi.org/10.1134/s1063783410070231
https://doi.org/10.1134/s1063783410070231
Publikováno v:
Physics of the Solid State. 48:1863-1867
Dielectric relaxation in Mn-doped single-crystal and glassy Li2B4O7 was studied. The effect of light Mn doping on the dielectric properties of Li2BrO7 was revealed. The experimental results are analyzed in terms of the Debye model of dielectric relax
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5aa93d0b006741b21db91858e49614cc
https://doi.org/10.1134/s1063783406100064
https://doi.org/10.1134/s1063783406100064
Publikováno v:
Physics of the Solid State. 46:466-469
The effect of gamma irradiation on the mechanical properties of lithium tetraborate Li2B4O7 in the single-crystal and vitreous states is investigated. It is found that, after irradiation of the Li2B4O7 single crystal, the temperature range of the dis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2236a0027767722f616af1638989ec6
https://doi.org/10.1134/1.1687862
https://doi.org/10.1134/1.1687862
Autor:
M. V. Boguslavskii, N. D. Baisa, V. S. Bilanich, S. Yu. Stefanovich, V. M. Golovei, V. M. Rizak, I. M. Rizak
Publikováno v:
Crystallography Reports. 48:676-681
The electrophysical properties of Li2B4O7 single crystals and glasses are studied in the temperature range 290–1100 K and the frequency range 1–1000 kHz. The strong frequency dispersion of ionic conductivity at temperatures close to room temperat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0da011872dfe6900f01bb6db385d1fa9
https://doi.org/10.1134/1.1595195
https://doi.org/10.1134/1.1595195
Publikováno v:
Physics of the Solid State. 45:82-86
This paper reports on the results of measurements of the internal friction Q−1 and the shear modulus G of Li2B4O7 single crystals along the crystallographic directions [100] and [001] in the temperature range 300–550 K for strain amplitudes of (2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::110bf35a0a1c206b13563b05d33588ba
https://doi.org/10.1134/1.1537415
https://doi.org/10.1134/1.1537415
Autor:
S. Yu. Stefanovych, I. M. Rizak, M. B. Bohuslavskii, V. S. Bilanych, N. D. Bausa, V. M. Holovey, V. M. Rizak
Publikováno v:
Ferroelectrics. 286:49-59
The results of the studies of temperature-frequency dependences of electric properties of Li 2 B 4 O 7 compound in the crystalline and vitreous states within the temperature range from room temperature to 1100 K and frequency range from 0.001 to 1.0
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::69b202a5cb57c8d0c9a0f4fb7ded4f23
https://doi.org/10.1080/00150190390206220
https://doi.org/10.1080/00150190390206220
Publikováno v:
Ferroelectrics. 270:369-374
A new method of solids phonon density of state (PDS) calculation on the basis of thermophysical experimental data, e.g., specific heat C(T) has been suggested. To do this, PDS is approximated by a set of peaklike functions whose parameters are fitted
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6644b64b50a53a160c4a797f682bac66
https://doi.org/10.1080/00150190211225
https://doi.org/10.1080/00150190211225
Publikováno v:
Ferroelectrics. 192:177-185
The temperature dependences of thermal conduction coefficient λ for the Sn2P2S6 and Sn2P2Se6 crystals have been studied in the vicinity of the structural phase transitions (PT) by means of a stationary longitudinal heat flux method. λ(T) behaviour
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db05e3912bc1175ed1e81e0e983b4d63
https://doi.org/10.1080/00150199708216187
https://doi.org/10.1080/00150199708216187