Search Results - "Georga, S.N."

ALD deposited ZrO2 ultrathin layers on Si and Ge substrates: A multiple technique characterization by Botzakaki, M.A., Xanthopoulos, N., Makarona, E., Tsamis, C., Kennou, S., Ladas, S., Georga, S.N., Krontiras, C.A.

“…•Ultra thin ZrO2 layers were grown by ALD technique on p-Si, strained Si and p-Ge substrates.•The stoichiometry, thickness and valence band electronic…”
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CuO/Ta₂O₅ core/shell nanoparticles produced by arc-discharge in water by Delaportas, D, Svarnas, P, Alexandrou, I, Georga, S.N, Krontiras, C.A, Xanthopoulos, N.I, Siokou, A, Chalker, P.R

“…The formation of novel nanoparticles, i.e. CuO/Ta₂O₅ core/shell, via anodic arc-discharge in water is reported. Typical core diameters and shell thicknesses…”
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A systematic Mössbauer spectroscopy study of Y3Fe5O12 samples displaying different magnetic ac-susceptibility and electric permittivity spectra by Varouti, E., Devlin, E., Sanakis, Y., Pissas, M., Christides, C., Tomara, G.N., Karahaliou, P.K., Georga, S.N., Krontiras, C.A.

“…•The frequency dependence of χ and ∊ of Y3Fe5O12 (YIG) was measured.•Only YIG samples annealed below 1470 °C exhibit dispersion in the kHz region.•Broad…”
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Growth of ZnO nanowires on seeding layers deposited by ALD: The influence of process parameters by Kerasidou, A.P., Bardakas, A., Botzakaki, M., Georga, S.N., Krontiras, C.A., Mergia, K., Psycharis, V.P., Tsamis, C.

“…Zinc Oxide (ZnO) nanowires are grown by hydrothermal method on ZnO seed layers deposited by Atomic Layer Deposition (ALD) at different temperatures ranging…”
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HNBR and its MWCNT reinforced nanocomposites: Crystalline morphology and electrical response by Psarras, G.C., Sofos, G.A., Vradis, A., Anastassopoulos, D.L., Georga, S.N., Krontiras, C.A., Karger-Kocsis, J.

“…[Display omitted] •Crystallinity of HNBR and MWCNT/HNBR systems increases with the addition of MWCNTs.•Recorded relaxations are related to the polymer matrix…”
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Dielectric relaxation mechanisms in polyoxymethylene/polyurethane/layered silicates hybrid nanocomposites by Tomara, G.N., Karahaliou, P.K., Psarras, G.C., Georga, S.N., Krontiras, C.A., Siengchin, S., Karger-Kocsis, J.

“…[Display omitted] •POM/PU/LS nanocomposites produced by Direct Melt (DM) compounding.•POM/PU/LS nanocomposites produced by latex-mediated Masterbatch (MB)…”
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Dielectric relaxations in polyoxymethylene and in related nanocomposites: Identification and molecular dynamics by Karahaliou, P.K., Kerasidou, A.P., Georga, S.N., Psarras, G.C., Krontiras, C.A., Karger-Kocsis, J.

“…Broadband dielectric spectroscopy (BDS) is employed for the study of the dielectric response of Polyoxymethylene/boehmite alumina (POM/alumina) and…”
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Controllable growth of stable germanium dioxide ultra-thin layer by means of capacitively driven radio frequency discharge by Svarnas, P., Botzakaki, M.A., Skoulatakis, G., Kennou, S., Ladas, S., Tsamis, C., Georga, S.N., Krontiras, C.A.

“…It is well recognized that native oxide of germanium is hygroscopic and water soluble, while germanium dioxide is thermally unstable and it is converted to…”
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Electrical characteristics of Al 2 O 3 and Ta 2 O 5 nanoparticles synthesized by DC anodic ARC-discharge in water by Kerasidou, A.P., Karahaliou, P.K., Xanthopoulos, N.I., Svarnas, P., Georga, S.N., Krontiras, C.A., Delaportas, D.

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Dielectric relaxation processes in epoxy resin--ZnO composites by Soulintzis, A, Kontos, G, Karahaliou, P, Psarras, G.C, Georga, S.N, Krontiras, C.A

“…Polymer matrix-ZnO microcomposites were prepared in different filler concentrations. The electrical relaxation dynamics of all samples was examined by means of…”
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Probing the dielectric response of polyurethane/alumina nanocomposites by Kalini, A, Gatos, K.G, Karahaliou, P.K, Georga, S.N, Krontiras, C.A, Psarras, G.C

“…The dielectric properties of polyurethane (PUR) latex-boehmite alumina nanocomposites were investigated by means of broadband dielectric spectroscopy in the…”
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Electrical characteristics of Al2O3 and Ta2O5 nanoparticles synthesized by DC anodic ARC-discharge in water by Kerasidou, A.P., Karahaliou, P.K., Xanthopoulos, N.I., Svarnas, P., Georga, S.N., Krontiras, C.A., Delaportas, D.

“…Because of the length scale and high specific surface area of nanometer-sized particles, they exhibit novel properties as compared with their bulk counterpart…”
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CuO/Ta 2O 5 core/shell nanoparticles produced by arc-discharge in water by Delaportas, D., Svarnas, P., Alexandrou, I., Georga, S.N., Krontiras, C.A., Xanthopoulos, N.I., Siokou, A., Chalker, P.R.

“…The formation of novel nanoparticles, i.e. CuO/Ta 2O 5 core/shell, via anodic arc-discharge in water is reported. Typical core diameters and shell thicknesses…”
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Influence of thermal oxidation on the interfacial properties of ultrathin strained silicon layers by Ioannou-Sougleridis, V., Kelaidis, N., Skarlatos, D., Tsamis, C., Georga, S.N., Krontiras, C.A., Komninou, Ph, Speliotis, Th, Dimitrakis, P., Kellerman, B., Seacrist, M.

“…In this work we examine the influence of thermal oxidation on the electrical characteristics of ultra-thin strained silicon layers grown on relaxed…”
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Correlation between infrared transmission spectra and the interface trap density of SiO 2 films by Vamvakas, V.Em, Theodoropoulou, M., Georga, S.N., Krontiras, C.A., Pisanias, M.N.

“…This work is an attempt to estimate the electrical properties of SiO 2 thin films by recording and analyzing their infrared transmission spectra. In order to…”
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Influence of thermal processing on the electrical characteristics of MOS capacitors on strained-silicon substrates by Kelaidis, N., Ioannou-Sougleridis, V., Skarlatos, D., Tsamis, C., Krontiras, C.A., Georga, S.N., Kellerman, B., Seacrist, M.

“…In this work the influence of thermal oxidation and subsequent thermal processing on the electrical characteristics of strained-Silicon (s-Si), MOS capacitors…”
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Correlation between infrared transmission spectra and the interface trap density of SiO2 films by VAMVAKAS, V. Em, THEODOROPOULOU, M, GEORGA, S. N, KRONTIRAS, C. A, PISANIAS, M. N

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Temperature dependence of the transient and AC electrical conductivity of porous silicon thin films by Theodoropoulou, M., Krontiras, C.A., Xanthopoulos, N., Georga, S.N., Pisanias, M.N., Tsamis, C., Nassiopoulou, A.G.

“…In order to investigate the prevailing conduction mechanisms of porous silicon (PS) thin films AC impedance spectroscopy measurements, as well as transient…”
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