Výsledky vyhledávání - "E.A. Ponezha"

Інфрачервонi спектри трифенiл фосфiту та їх iнтерпретацiя на основi квантово-хiмiчних розрахункiв

Autor: V. Ya. Reznichenko, I. V. Ivlieva, Jakub Baran, N. A. Davydova, L.M. Babkov, E.A. Ponezha

Publikováno v: Ukrainian Journal of Physics; Vol. 61 No. 6 (2016); 471
Український фізичний журнал; Том 61 № 6 (2016); 471

In situ IR spectroscopic investigation of the structural changes during the glaciation and crystallization processes in triphenyl phosphite (TPP) is performed in the 400–4000 cm−1 spectral range. The 6-31G(d) basis set at the B3LYP level of the d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6eb4b93c4b033adad153d4d598b26e00
https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019067

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Релаксацiя кореляцiйної функцiї iнтенсивностi поблизу точки нестабiльностi для процесу резонансного тунелювання

Autor: E.A. Ponezha

Publikováno v: Ukrainian Journal of Physics; Vol. 61 No. 5 (2016); 440
Український фізичний журнал; Том 61 № 5 (2016); 440

The decay of the correlation function C(t) of an electron flow intensity near an instability point for the process of resonant tunneling through a double barrier structure is considered. It is supposed that the intensity of the incoming flow may fluc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7998bb540b66508a23aed2936f4fbc1f
https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019087

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Structural changes during the glaciation process in the molecular liquid triphenyl phosphite

Autor: Jakub Baran, E.A. Ponezha, N. A. Davydova

Publikováno v: Journal of Molecular Liquids. 221:768-772

• Temperature evolution of FTIR spectra of triphenyl phosphite during glaciation at 215, 218, and 220 K

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6cbe3871b538e8eb9686eb829ef74bf9
https://doi.org/10.1016/j.molliq.2016.06.059

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Спектроскопічний та термічний аналіз кристалічного поліморфізму орто-бензилфенолу

Autor: Marek Drozd, Jakub Baran, V. Ya. Reznichenko, E.A. Ponezha, N. A. Davydova

Publikováno v: Ukrainian Journal of Physics; Vol. 63 No. 2 (2018); 95
Український фізичний журнал; Том 63 № 2 (2018); 95

In situ, we present the experimental spectroscopic proof of the existence of polymorphism in ortho-benzylphenol. Infrared spectroscopy was used for the first time to investigate the structural changes during the crystallization of a metastable phase,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7bbcc47e3242769ea93171c7ae1b3ee7
https://ujp.bitp.kiev.ua/index.php/ujp/article/view/58

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Nature of the Dynamic Crossover in Orthoterphenyl

Autor: E.A. Ponezha, Marek Drozd, Jakub Baran, N. A. Davydova, V. Ya. Reznichenko

Publikováno v: Ukrainian Journal of Physics; Vol. 59 No. 3 (2014); 292
Український фізичний журнал; Том 59 № 3 (2014); 292

We have conducted the infrared spectroscopic study and differential scanning calorimetry measurements (DSC) on orthoterphenyl (OTP), aiming to explore the physical nature of the dynamic crossover at 1.2Tgfound in variety experiments on OTP. We have o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f11bdfb75500c6ef8da15308e5fba3b
https://doi.org/10.15407/ujpe59.03.0292

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