Zobrazeno 1 - 10
of 99
pro vyhledávání: '"N.A. Hegab"'
Publikováno v:
Journal of Alloys and Compounds. 764:498-504
Thin films of Te81Ge15Bi4 were prepared from its bulk glass by thermal evaporation method. Amorphous structure of the prepared films was examined by X-ray diffraction (XRD). Differential thermal analysis (DTA) was carried out to obtain the glass tran
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e02eb72ca5fe87dd408a027ba69f3d16
https://doi.org/10.1016/j.jallcom.2018.06.114
https://doi.org/10.1016/j.jallcom.2018.06.114
Publikováno v:
Journal of Alloys and Compounds. 743:36-43
Various factors as temperature, thickness and element addition effect on the electrical conductivity and switching phenomenon in Se85 Te15 X5 (x=In, Sn)films was examined and discussed herein. Structural identification of the film compositions is con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e58aae87c9527411a19fbaec359e10c
https://doi.org/10.1016/j.jallcom.2017.12.052
https://doi.org/10.1016/j.jallcom.2017.12.052
Autor:
N.A. Hegab, H.E. Atyia
Publikováno v:
Optik. 243:167527
This work aims to research the crystallization transition kinetics aspects for Se60Ge15As25 and Se60Ge15Sn25 compositions, utilized differential thermal analysis technique under the non-isothermal condition at various heating rates. Crystallization t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9280f623767e2fdfb8bb283ab1a4e14
https://doi.org/10.1016/j.ijleo.2021.167527
https://doi.org/10.1016/j.ijleo.2021.167527
Publikováno v:
Journal of Alloys and Compounds. 876:159805
Se36 Sb31Cu33 non - ordered material was synthesized by the melt-quenching procedure. Thin films of various thicknesses (125–520 nm) were obtained by thermal evaporation procedure. The DC conductivity and switching phenomenon were examined in the t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3611b6c3ca811913c3964d79e9881ff
https://doi.org/10.1016/j.jallcom.2021.159805
https://doi.org/10.1016/j.jallcom.2021.159805
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 131:1793-1802
This work aims to research the glass transition kinetics aspects for Se60Ge15As25 and Se60Ge15Sn25 compositions, utilized differential thermal analysis technique under the non-isothermal condition at various heating rates. Glass transition temperatur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35167c145ae44dd4da926606190d71ec
https://doi.org/10.1007/s10973-017-6573-0
https://doi.org/10.1007/s10973-017-6573-0
Autor:
N.A. Hegab, H.E. Atyia
Publikováno v:
Optik. 127:6232-6242
Alternating current conductivity and dielectric properties measurements have been performed on the Te 46 As 32 Ge 10 Si 12 amorphous films at frequency and temperature ranges (0.1–100 kHz)and (303–383 K) respectively. The ac conductivities were a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::321b6beb80018c301dd697b31799f165
https://doi.org/10.1016/j.ijleo.2016.04.024
https://doi.org/10.1016/j.ijleo.2016.04.024
Publikováno v:
Journal of Electronic Materials. 45:3332-3339
Se80Ge20−xCdx (0 ≤ x ≤ 12 at.%) compositions were prepared by a quenching technique. Thin films of the obtained compositions were deposited on dry clean glass substrates by a thermal evaporation technique. The chemical composition of the film s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17ff91419c820f99269c336121887b50
https://doi.org/10.1007/s11664-016-4470-0
https://doi.org/10.1007/s11664-016-4470-0
Autor:
H.E. Atyia, N.A. Hegab
Publikováno v:
Optik. 127:3888-3894
In this work, the effect of annealing temperature, above room temperature, on the optical constants, optical band gap, dielectric constants and some related optical parameters for Ge 20 In 5 Se 75 films with thickness range (190–435 nm) has been in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::952c4e342b67b36df28c99a3b666e889
https://doi.org/10.1016/j.ijleo.2016.01.028
https://doi.org/10.1016/j.ijleo.2016.01.028
Autor:
N.A. Hegab, H.E. Atyia
Publikováno v:
Physica B: Condensed Matter. 454:189-196
Thin films of Ge15Se60Bi25 were deposited, at room temperature, on glass substrates by thermal evaporation technique. The optical reflectance and transmittance of amorphous Ge15Se60Bi25 films were measured at normal incident in the wavelength range (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24e51141e5884800c160f3176345aa52
https://doi.org/10.1016/j.physb.2014.07.068
https://doi.org/10.1016/j.physb.2014.07.068
Publikováno v:
Journal of Electronic Materials. 44:87-95
Se80Ge20−xCdx (0 ≤ x ≤ 12 at.%) compositions were prepared by the conventional melt quenching technique. Thin films with different thicknesses (200–620 nm) were deposited by thermal evaporation technique. Energy dispersive x-ray spectroscopy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a9a1b95235700076caabcb4ccb0d8d1
https://doi.org/10.1007/s11664-014-3404-y
https://doi.org/10.1007/s11664-014-3404-y