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Wyświetlanie 1-8 z 8
Tytuł:
Barriers in Miniaturization of Electronic Devices and the Ways to Overcome Them - from a Planar to 3D Device Architecture
Autorzy:
Godlewski, M.
Guziewicz, E.
Gierałtowska, S.
Łuka, G.
Krajewski, T.
Wachnicki, Ł.
Kopalko, K.
Powiązania:
https://bibliotekanauki.pl/articles/1807598.pdf
Data publikacji:
2009-12
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
85.35.-p
73.40.Lq
73.40.Qv
81.05.Dz
81.15.-z
Opis:
We witness a new revolution in electronic industry - a new generation of integrated circuits uses as a gate isolator $HfO_{2}$. This high-k oxide was deposited by the atomic layer deposition technique. The atomic layer deposition, due to a high conformality of deposited films and low growth temperature, has a large potential to be widely used not only for the deposition of high-k oxides, but also of materials used in solar cells and semiconductor/organic material hybrid structures. This opens possibilities of construction of novel memory devices with 3D architecture, photovoltaic panels of the third generation and stable in time organic light emitting diodes as discussed in this work.
Źródło:
Acta Physica Polonica A; 2009, 116, S; S-19-S-21
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
RBS/Channeling Analysis of Zinc Oxide Films Grown at Low Temperature by Atomic Layer Deposition
Autorzy:
Ratajczak, R.
Stonert, A.
Guziewicz, E.
Gierałtowska, S.
Krajewski, T.
Luka, G.
Wachnicki, L.
Witkowski, B.
Godlewski, M.
Powiązania:
https://bibliotekanauki.pl/articles/1400467.pdf
Data publikacji:
2013-05
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
77.55.hf
81.05.Dz
81.15.Hi
68.55.ag
82.80.Yc
61.85.+p
Opis:
The results of the Rutherford backscattering/channeling study of ZnO layers are presented. ZnO layers were deposited on the silicon single crystals and GaN epitaxial layers at low temperature by atomic layer deposition. Deposition temperature varied between 100 and 300°C. A random spectra analysis was performed to determine layer thickness and composition. In turn, analysis of the aligned spectra allows us to study evolution of ingrown defects. The Rutherford backscattering study supports the results of X-ray photoelectron spectroscopy measurements, performed separately, that the ZnO-ALD layers deposited at low temperature contain a higher oxygen content. Composition measurements, performed as a function of growth temperature, show that oxygen content decreases with the increasing temperature of the atomic layer deposition growth process.
Źródło:
Acta Physica Polonica A; 2013, 123, 5; 899-903
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hybrid Organic/ZnO p-n Junctions, with n-Type ZnO, Grown by Atomic Layer Deposition
Autorzy:
Łuka, G.
Krajewski, T.
Szczerbakow, A.
Łusakowska, E.
Kopalko, K.
Guziewicz, E.
Wachnicki, Ł.
Szczepanik, A.
Godlewski, M.
Fidelus, J.
Powiązania:
https://bibliotekanauki.pl/articles/1811956.pdf
Data publikacji:
2008-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
68.55.J-
73.40.Lq
81.05.Lg
Opis:
We report on fabrication of hybrid inorganic-on-organic thin film structures with polycrystalline zinc oxide films grown by atomic layer deposition technique. ZnO films were deposited on two kinds of thin organic films, i.e. pentacene and poly(dimethylosiloxane) elastomer with a carbon nanotube content (PDMS:CNT). Surface morphology as well as electrical measurements of the films and devices were analyzed. The current density versus voltage (I-V) characteristics of ITO/pentacene/ZnO/Au structure show a low-voltage switching phenomenon typical of organic memory elements. The I-V studies of ITO/PDMS:CNT/ZnO/Au structure indicate some charging effects in the system under applied voltages.
Źródło:
Acta Physica Polonica A; 2008, 114, 5; 1229-1234
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
ZnO by ALD - Advantages of the Material Grown at Low Temperature
Autorzy:
Guziewicz, E.
Godlewski, M.
Krajewski, T.
Wachnicki, Ł.
Łuka, G.
Paszkowicz, W.
Domagała, J.
Przeździecka, E.
Łusakowska, E.
Witkowski, B.
Powiązania:
https://bibliotekanauki.pl/articles/1791286.pdf
Data publikacji:
2009-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
73.61.Ga
78.66.Hf
72.80.Ey
Opis:
The 3D-architecture is a prospective way in miniaturization of electronic devices. However, this approach can be realized only if metal paths are placed not only at the top, but also beneath the electronic parts, which imposes drastic temperature limitations for the electronic device processing. Therefore last years a lot of investigations are focused on materials which can be grown at low temperature with electrical parameters appropriate for electronic applications. Zinc oxide grown by the atomic layer deposition method is one of the materials of choice. We obtained ZnO-ALD films at growth temperature range between 100°C and 200°C, and with controllable electrical parameters. Free carrier concentration was found to scale with deposition temperature, so it is possible to grow ZnO films with desired conductivity without any intentional doping. We used correlation of electrical and optical parameters to optimize the deposition process. Zinc oxide layers obtained in that way have free carrier concentration as low as $10^{16} cm^{-3}$ and high mobility ($10-50 cm^{2}$/(Vs)), which satisfies requirements for a material used in three-dimensional memories.
Źródło:
Acta Physica Polonica A; 2009, 116, 5; 814-817
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characterization of ZnO Films Grown at Low Temperature
Autorzy:
Przeździecka, E.
Krajewski, T.
Wójcik-Głodowska, A.
Yatsunenko, S.
Łusakowska, E.
Paszkowicz, W.
Guziewicz, E.
Wachnicki, Ł.
Szczepanik, A.
Godlewski, M.
Powiązania:
https://bibliotekanauki.pl/articles/1811975.pdf
Data publikacji:
2008-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
78.55.-m
81.10.-h
85.30.Fg
Opis:
ZnO thin films were grown by atomic layer deposition method at extremely low temperature using a reactive diethylzinc as a zinc precursor. Optical properties, electrical properties and surface morphology were examined by photoluminescence, Hall effect and atomic force microscope. The study shows correlation between optical, electrical properties and surface morphology in a series of samples of different thickness.
Źródło:
Acta Physica Polonica A; 2008, 114, 5; 1303-1310
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Schottky Junctions Based on the ALD-ZnO Thin Films for Electronic Applications
Autorzy:
Krajewski, T.
Luka, G.
Smertenko, P.
Zakrzewski, A.
Dybko, K.
Jakiela, R.
Wachnicki, L.
Gieraltowska, S.
Witkowski, B.
Godlewski, M.
Guziewicz, E.
Powiązania:
https://bibliotekanauki.pl/articles/1492501.pdf
Data publikacji:
2011-12
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
68.55.ag
73.50.-h
73.50.Bk
73.61.Ga
81.15.-z
81.15.Gh
Opis:
The ZnO-based Schottky diodes revealing a high rectification ratio may be used in many electronic devices. This paper demonstrates several approaches to obtain a ZnO-based Schottky junction with a high rectification ratio. The authors tested several methods such as: post-growth annealing of the ZnO layer, acceptor (nitrogen) doping, as well as the ZnO surface coating with a properly chosen dielectric material. The influence of these approaches on the diode's rectification ratio together with modeling based on the differential approach and thermionic emission theory are presented.
Źródło:
Acta Physica Polonica A; 2011, 120, 6A; A-017-A-021
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Epitaxial ZnO Films Grown at Low Temperature for Novel Electronic Application
Autorzy:
Wachnicki, Ł.
Dużyńska, A.
Domagala, J.
Witkowski, B.
Krajewski, T.
Przeździecka, E.
Guziewicz, M.
Wierzbicka, A.
Kopalko, K.
Figge, S.
Hommel, D.
Godlewski, M.
Guziewicz, E.
Powiązania:
https://bibliotekanauki.pl/articles/1492723.pdf
Data publikacji:
2011-12
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
81.15.Aa
61.05.cp
81.05.Dz
Opis:
Monocrystalline films of zinc oxide were grown at 300C by atomic layer deposition. ZnO layers were grown on various substrates like ZnO bulk crystal, GaN, SiC and $Al_2O_3$. Electrical properties of the films depend on structural quality. Structural quality, surface morphology and optical properties of ZnO films were characterized using X-ray diffraction, scanning electron microscopy, and photoluminescence, respectively. High resolution X-ray diffraction spectra show that the rocking curve FWHM of the symmetrical 00.2 reflection equals to 0.058° and 0.009° for ZnO deposited on a gallium nitride template and a zinc oxide substrate, respectively. In low temperature photoluminescence sharp excitonic lines in the band-edge region with a FWHM equal to 4 meV, 5 meV and 6 meV, for zinc oxide deposited on gallium nitride, zinc oxide and sapphire substrate, respectively.
Źródło:
Acta Physica Polonica A; 2011, 120, 6A; A-007-A-010
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
ZnCoO Films Obtained at Low Temperature by Atomic Layer Deposition Using Organic Zinc and Cobalt Precursors
Autorzy:
Łukasiewicz, M.
Wójcik-Głodowska, A.
Guziewicz, E.
Jakieła, R.
Krajewski, T.
Łusakowska, E.
Paszkowicz, W.
Minikayev, R.
Kiecana, M.
Sawicki, M.
Godlewski, M.
Wachnicki, Ł.
Szczepanik, A.
Powiązania:
https://bibliotekanauki.pl/articles/1811957.pdf
Data publikacji:
2008-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
68.55.Ln
68.55.Nq
78.66.Hf
81.15.Kk
Opis:
In this paper we report on ZnCoO thin films grown by atomic layer deposition method in reactor F-120 Satellite. ZnCoO films were grown at low temperature ($T_s$=160°C) with a new zinc precursor (dimethylzinc - DMZn) and with cobalt (II) acetyloacetonate (Co(acac)₂) as a cobalt precursor and deionized water as an oxygen precursor. In this paper we concentrate on the methods of homogenizing Co distribution in ZnCoO films.
Źródło:
Acta Physica Polonica A; 2008, 114, 5; 1235-1240
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-8 z 8

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