Zobrazeno 1 - 10
of 33
pro vyhledávání: '"M. O. Romanyuk"'
Publikováno v:
Materials Science-Poland, Vol 33, Iss 4, Pp 692-698 (2015)
Refractive and birefringence indices in the range of transparency of 300 to 700 nm for triglycine sulphate crystals doped with D-serine molecules have been measured in the temperature range of 290 K to 340 K. The obtained optical properties are discu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18fd424bd68fd95658dc9fc68b857395
https://doi.org/10.1515/msp-2015-0105
https://doi.org/10.1515/msp-2015-0105
Publikováno v:
Materials Science-Poland, Vol 33, Iss 1, Pp 11-17 (2015)
In view of possible practical applications of transparent crystals for mechanical stress sensors, theoretical investigation of piezo(elasto)optic effect in crystals might be useful for searching for proper materials, possessing large coefficients of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::037972943ca4865fb8023acef3e37fc9
https://doaj.org/article/cf025926bc1b4ac49d5c85b252ed1407
https://doaj.org/article/cf025926bc1b4ac49d5c85b252ed1407
Publikováno v:
Computational Materials Science. 79:442-447
Influence of the uniaxial stresses on the electronic band structure, density of states, and optical properties of the potassium sulphate crystal β-K2SO4 have been studied in the framework of the density functional theory using the ab initio code CAS
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3241160af4467adfe51ffdd63f86adbb
https://doi.org/10.1016/j.commatsci.2013.06.048
https://doi.org/10.1016/j.commatsci.2013.06.048
Publikováno v:
Chemistry of Metals and Alloys. 4:46-49
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e47f77eb95d26c2da92f2ad63a70588
https://doi.org/10.30970/cma4.0144
https://doi.org/10.30970/cma4.0144
Publikováno v:
International Journal of Modern Physics B. 24:6219-6233
We have studied spectral and temperature variations of the principal refractive indices of lithium potassium sulfate crystals, LiKSO 4, subjected to uniaxial mechanical pressures. Notable baric increases in the refractive indices are found, which hav
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c87735811f88276d4743f3a9619b4e94
https://doi.org/10.1142/s0217979210057675
https://doi.org/10.1142/s0217979210057675
Publikováno v:
Materials Chemistry and Physics. 124:845-850
Band electronic structure (BS), density of states (DOS), and optical functions of K2ZnCl4 crystal for the orthorhombic space group of symmetry Pna21 corresponding to the ferroelectric phase (12 formula units in the crystallographic unit cell) have be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a91fec3673a841b3fc12246f0d496992
https://doi.org/10.1016/j.matchemphys.2010.08.002
https://doi.org/10.1016/j.matchemphys.2010.08.002
Publikováno v:
Optics and Spectroscopy. 108:753-760
The influence of uniaxial pressure applied along the principal crystallophysical directions on the dispersion and temperature dependences of the refractive indices n i of K2ZnCl4 crystals has been investigated. The n i values are found to be fairly s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a70523e6d5e65d00edd8729217e11a8
https://doi.org/10.1134/s0030400x10050139
https://doi.org/10.1134/s0030400x10050139
Publikováno v:
Journal of Physics and Chemistry of Solids. 70:1109-1112
The electronic optical spectra of the mechanically free and stressed crystals of potassium sulfate, K2SO4, in the orthorhombic phase Pnma have been calculated by the Cambridge Serial Total Energy Package (CASTEP) code. On the basis of these calculati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4efac3b97b6b25f06b29b9cc171c15ce
https://doi.org/10.1016/j.jpcs.2009.06.007
https://doi.org/10.1016/j.jpcs.2009.06.007
Publikováno v:
Crystallography Reports. 54:313-319
The effect of uniaxial pressure σm ≤ 200 bar on the spectral (300–800 nm) and temperature (300–77 K) dependences of the refractive indices of(NH4)2SO4 crystals has been investigated. The baric dependences of the electronic polarizability, spec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a504a00c6d216671a0e9b34206507c88
https://doi.org/10.1134/s1063774509020229
https://doi.org/10.1134/s1063774509020229
Publikováno v:
Crystallography Reports. 53:1039-1043
The influence of uniaxial mechanical pressure σm ≤ 150 bar on the spectral (300–800 nm) dependence of the birefringence Δni of (NH4)2SO4 crystals is studied. The dispersion Δni(λ) is shown to be normal and greatly increases when approaching t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b931f75626c2a27ec067dea875277ad2
https://doi.org/10.1134/s1063774508060205
https://doi.org/10.1134/s1063774508060205