Перегляд за автором "Dzhagan, V.M."

Сортувати за: Порядок: Результатів:

  • Bio-SiC ceramics coated with hydroxyapatite using gas-detonation deposition: An alternative to titanium-based medical implants 
    Klyui, M.I.; Temchenko, V.P.; Gryshkov, O.P.; Dubok, V.A.; Kladko, V.P.; Kuchuk, A.V.; Dzhagan, V.M.; Yukhymchuk, V.O.; Kiselov, V.S. (Functional Materials, 2013)
    Silicon-carbide (SiC) ceramics synthesized using forced infiltration and coated with bioactive hydroxyapatite (HA), represents a great potential for replacement of traditional titanium medical implants. In this paper the ...
  • Influence of the dispersion medium on the properties of CdTe micro- and nanocrystals in a colloidal solution 
    Kapush, O.; Budzulyak, S.I.; Korbutyak, D.V.; Vakhnyak, N.D.; Boruk, S.D.; Dzhagan, V.M.; Yemets, A.I.; Valakh, M.Ya. (Functional Materials, 2019)
    Surface and optical properties of CdTe nanoparticles obtained by grinding (40-150 nm, microcrystals) and colloidal synthesis (1-4 nm, nanocrystals) methods are investigated. It is shown that the most intensive adsorption ...
  • Investigation of electron-phonon interaction in bulk and nanostructured semiconductors 
    Yaremko, A.M.; Yukhymchuk, V.O.; Dzhagan, V.M.; Valakh, M.Ya.; Azhniuk, Yu.M.; Baran, J.; Ratajczak, H.; Drozd, M. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2007)
    In this paper, the problem of electron-phonon interaction (EPI) innsemiconductor crystals and quantum dots (QDs) is considered. It is shown that the model of strong EPI developed for organic molecular crystals can be ...
  • Optical and acoustical phonon modes in superlattices with SiGe QDs 
    Yukhymchuk, V.O.; Dzhagan, V.M.; Klad’ko, V.P.; Lytvyn, O.S.; Machulin, V.F.; Valakh, M.Ya.; Yaremko, A.M.; Milekhin, A.G.; Krasil’nik, Z.F.; Novikov, A.V.; Mestres, N.; Pascual, J. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2004)
    Multilayers with SiGe nanoislands grown in a broad temperature range (300-600 °C) are studied using Raman spectroscopy, HRXRD and AFM. It is shown that the islands are fully strained when obtained at 300 °C and gradually ...
  • Raman and ESR study of gas detonation deposited hydroxyapatite coatings 
    Dzhagan, V.M.; Valakh, M.Ya.; Konchits, A.A.; Vorona, I.P.; Yefanov, V.S.; Klyui, M.I.; Temchenko, V.P.; Dubok, V.A. (Functional Materials, 2009)
    Structural modification of hydroxyapatite (HAP) formed by gas detonation HAP deposition on metal substrates has been studied using Raman spectroscopy and electron spin resonance (ESR) techniques. It was revealed, that the ...
  • SERS of Rhodamine 6G on substrates with laterally ordered and random gold nanoislands 
    Yukhymchuk, V.O.; Kostyukevych, S.A.; Dzhagan, V.M.; Milekhin, A.G.; Rodyakina, E.E.; Yanchuk, I.B.; Shepeliavy, P.Ye.; Valakh, M.Ya.; Kostyukevych, K.V.; Lysiuk, V.O.; Tverdokhlib, I.V. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2012)
    Preparation and study of laterally ordered and disordered arrays of Au nanoislands as SERS substrates are reported. Developed technology allows obtaining SERS substrates with long-term stability (up to six months), efficient ...
  • Strain relaxation in thin Si₁-ₓ-yGeₓCy layers on Si substrates 
    Valakh, M.Ya.; Gamov, D.V.; Dzhagan, V.M.; Lytvyn, O.S.; Melnik, V.P.; Romanjuk, B.M.; Popov, V.G.; Yukhymchuk, V.O. (Functional Materials, 2006)
    The possibility to obtain a heterosystem consisting of the upper partially strained and lower relaxed layers by gradient in situ doping of SiGe layers with carbon is considered. The properties of the as-grown and annealed ...
  • Thin films of Cu₂ZnSnS₄ for solar cells: optical and structural properties 
    Babichuk, I.S.; Yukhymchuk, V.O.; Dzhagan, V.M.; Valakh, M.Ya.; Leon, M.; Yanchuk, I.B.; Gule, E.G.; Greshchuk, O.M. (Functional Materials, 2013)
    The structure of Cu₂ZnSnS₄ films was investigated by Raman spectroscopy, scanning electron microscopy, energy dispersive X-ray spectrometry, optical reflectance and photoluminescence. The films were formed by thermal ...