Zobrazeno 1 - 10
of 47
pro vyhledávání: '"V. Yo. Stadnyk"'
Publikováno v:
Condensed Matter Physics, Vol 25, Iss 4, p 43704 (2022)
We study the temperature dependence of dielectric permittivity along the polar axis for ferroelectric ammonium fluoroberyllate (AFB) crystal in the vicinity of its phase transition points. The experimental data within incommensurately modulated phase
Externí odkaz:
https://doaj.org/article/fdb5386c398d40428307f938cde4e71d
We study the temperature dependence of dielectric permittivity along the polar axis for ferroelectric ammonium fluoroberyllate (AFB) crystal in the vicinity of its phase transition points. The experimental data within incommensurately modulated phase
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b9ec52863abbc6c3c9cf806fa09682ef
Publikováno v:
Journal of Applied Spectroscopy. 88:831-837
The temperature dependence of the refractive indices of K2SO4 with copper impurity was investigated. It was found that introduction of the copper impurity leads to the appearance of isotropic points [intersection of the n2(T) and nx(T) curves at temp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f9d3216fd8ae65f711511362d9e6678
https://doi.org/10.1007/s10812-021-01247-8
https://doi.org/10.1007/s10812-021-01247-8
Publikováno v:
Optics and Spectroscopy. 129:227-233
The temperature, spectral and baric dependences of birefringence Δni of potassium sulfate crystals doped with 1.7% of copper are studied. It is established that the impurity introduction changes an absolute value of Δni and leads to an increase of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::407bef4893a79286ac034ef912206d8b
https://doi.org/10.1134/s0030400x21020144
https://doi.org/10.1134/s0030400x21020144
Autor:
O.Y. Khyzhun, M. Ya. Rudysh, A.O. Fedorchuk, R. S. Brezvin, V. Yo. Stadnyk, P. A. Shchepanskyi, R. B. Matviiv
Publikováno v:
Current Applied Physics. 21:80-88
K2SO4:Cu2+ (3%) crystal has been synthesized and its crystal structure is characterized by means of the X-ray diffraction method and discussed within the second coordination environment description. Experimental dispersions of the refractive indices
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53c0aab695acecc2a8bd17e77a334951
https://doi.org/10.1016/j.cap.2020.09.015
https://doi.org/10.1016/j.cap.2020.09.015
Publikováno v:
Crystallography Reports. 65:961-967
The spectral dependences (in the range of 300–700 nm) of the refractive indices and birefringence of K2SO4 crystals doped with copper (1.7 and 3.0 wt %) have been investigated. Their electronic polarizabilities, refractions, and parameters of UV os
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf8b4a5db15bd27735750a8b00ab3f36
https://doi.org/10.1134/s1063774520060346
https://doi.org/10.1134/s1063774520060346
Autor:
V. Yo. Stadnyk, M. Ya. Rudysh, R. B. Matviiv, P. A. Shchepanskyi, B. V. Andrievskii, R. S. Brezvin
Publikováno v:
Journal of Applied Spectroscopy. 87:143-149
Potassium sulfate crystals with a copper content of 1.7% were synthesized, and the dependence of their refractive indices ni(λ) and birefringence Δni(λ) on their dispersion was studied. It was found that the dispersion ni(λ) in the spectral range
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::598a15362e9b64f1a877145878750b81
https://doi.org/10.1007/s10812-020-00975-7
https://doi.org/10.1007/s10812-020-00975-7
Publikováno v:
Optics and Spectroscopy. 127:1023-1027
Spectral, temperature, and baric dependences of birefringence Δni of LiNaSO4 (LSS) crystals have been studied. It is established that dispersion Δn(λ) is anomalous. It is shown that uniaxial compression leads to changes in Δnі with different mag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dbb67fe16fa0c7f99d8c5c57090f4841
https://doi.org/10.1134/s0030400x19120257
https://doi.org/10.1134/s0030400x19120257
Publikováno v:
Physics of the Solid State. 61:2130-2133
The spectral dependences of the absolute piezooptic coefficients of potassium sulfate crystals are studied. It is established that their dispersion dependence is insignificant. The matrix of elastooptic coefficients pin of these crystals is filled us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::942e005f561d9e864d1ea02057ab0545
https://doi.org/10.1134/s1063783419110374
https://doi.org/10.1134/s1063783419110374
Publikováno v:
Optik. 269:169875
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b87fdd73072c90647c85b757838f928
https://doi.org/10.1016/j.ijleo.2022.169875
https://doi.org/10.1016/j.ijleo.2022.169875