Güncel Gönderiler: Yayın Koleksiyonu
Toplam kayıt 221, listelenen: 101-120
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PHOTOINDUCED WETTABILITY OF TITANIUM OXIDE THIN FILMS
(TAYLOR & FRANCIS INC, 2011)We present here the results of a systematic investigation of the influence of the main deposition parameters (substrate temperature, deposition time, reactive gas composition, etc.) on the hydrophilic properties of DC ... -
Effect of gamma irradiation on the shallow defect states of hydrogenated amorphous silicon films
(EDP SCIENCES S A, 2011)The temperature dependence of the electrical conductivity before and after gamma irradiation of hydrogenated amorphous silicon (a-Si:H) films, prepared by the hot wire method, at a dose of 2 kGy of (60)Co gamma irradiation ... -
Polaronic transport in TiO2 thin films with increasing Nb content
(TAYLOR & FRANCIS LTD, 2011)The temperature dependence of the charge transport in TiO2 films was investigated to establish the correlation between the Nb content and electrical properties. It was identified that temperature-dependent conductivity of ... -
Grain Boundary Related Electrical Transport in Al-rich AlxGa1-xN Layers Grown by Metal-Organic Chemical Vapor Deposition
(MAIK NAUKA/INTERPERIODICA/SPRINGER, 2011)Electrical transport data for Al-rich AlGaN layers grown by metal-organic chemical vapor deposition (MOCVD) are presented and analyzed in the temperature range 135-300 K. The temperature dependence of electrical conductivity ... -
FT-IR and FT-Raman spectra, vibrational assignments, NBO analysis and DFT calculations of 2-amino-4-chlorobenzonitrile
(ELSEVIER SCIENCE BV, 2011)In this work, we report a combined experimental and theoretical study on molecular structure, vibrational spectra and NBC analysis of 2-amino-4-chlorobenzonitrile (2A4CBN). The FT-IR (400-4000 cm(-1)) and FT-Raman spectra ... -
Synthesis, spectroscopic and DFT investigation of dimethyl-2-(5-acetyl-2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-yl)-3-(triphenylphosphinylidene)succinate
(ELSEVIER SCIENCE BV, 2011)Dimethyl-2-(5-acetyl-2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-yl)-3-(triphenylphosphinylidene)succinate has been synthesized and characterized by elemental analysis, FT-IR and H-1, C-13 and P-31 NMR. The vibrational wavenumbers, ... -
Synthesis, molecular conformation, vibrational, electronic transition, and chemical shift assignments of 4-(thiophene-3-ylmethoxy)phthalonitrile: a combined experimental and theoretical analysis
(SPRINGER/PLENUM PUBLISHERS, 2011)This work presents the synthesis and characterization of a novel compound, 4-(thiophene-3-ylmethoxy)phthalonitrile (TMP). The spectroscopic properties of the compound were examined by FT-IR, FT-Raman, NMR, and UV techniques. ... -
Extraction of important electrical parameters of CuO
(ELSEVIER SCIENCE BV, 2011)Conductivity, X-ray diffraction (XRD), optical absorption and atomic force microscopy (AFM) measurements of CuO thin film were presented. Three distinct electrical conduction contributions with discrete characteristic ... -
Estimation of compensation ratio by identifying the presence of different hopping conduction mechanisms in SnO2 thin films
(ELSEVIER SCIENCE SA, 2011)The electrical properties of undoped SnO2 thin films prepared by the sol-gel technique were investigated by conductivity measurements in a temperature range of 50-200 K. Structural characterizations of the films were ... -
Formation of Cotunnite Phase in ZrO2 under Uniaxial Stress: A First Principles Study
(WILEY-BLACKWELL, 2011)Using a constant pressure ab initio technique, we study the response of ZrO2 to uniaxial stresses and find two different phase transformations; the application of uniaxial stress along the [010] and [100] directions yields ... -
DFT, FT-Raman, FT-IR and FT-NMR studies of 4-phenylimidazole
(ELSEVIER SCIENCE BV, 2011)The experimental and theoretical vibrational spectra of 4-phenylimidazole (4-PI) were studied. The FT-IR, FT-Raman and FT-NMR spectra of 4-PI molecule was recorded in the powder form. The tautomeric, structural and ... -
Electrical conduction mechanism and gas sensing properties of Pd-doped TiO2 films
(ELSEVIER SCIENCE BV, 2011)Undoped and Pd-doped titanium oxide thin films (0.5 wt.%) were prepared by the sol-gel technique (dip-coating) on glass and silicon substrates. The as-deposited thin films were compacted by subjecting them to different ... -
FT-IR, FT-Raman spectra and scaled quantum mechanical study of 4-amino-1-benzylpiperidine
(ELSEVIER, 2011)In this work, we report a combined experimental and theoretical study on molecular structure, vibrational spectra of 4-amino-1-benzyl piperidine (4A1BP). The FT-IR and FT-Raman spectrum have been recorded in the region ... -
Density functional theory studies on 2,5-bis(4-hydroxy-3-methoxybenzylidene)cyclopentanone
(ELSEVIER SCIENCE BV, 2011)The optimized molecular structure, vibrational frequencies, corresponding vibrational assignments of 2,5-bis(4-hydroxy-3-methoxybenzylidene)cyclopentanone (BHMBC) have been investigated by using density functional theory ... -
The change in the electrical transport mechanism from the grain boundary conduction to the nearest-neighbor hopping conduction in SnO2
(SPRINGER, 2011)The electrical conductivity measurements on SnO2 over a wide range of temperatures were performed. The results provided experimental evidence for a transition from the grain boundary (GB) conduction at high temperatures ... -
Effect of formaldehyde gas adsorption on the electrical conductivity of Pd-doped TiO2 thin films
(SPRINGER, 2011)0.5 wt% Pd-doped titanium oxide thin films were obtained by dip-coating on silicon substrates. The films were compacted by annealing in air at 300 and 500 A degrees C. Temperature dependent electrical conductivity measurements ... -
Synthesis and Raman spectroscopic investigation of a new self-assembly monolayer material 4-[N-phenyl-N-(3-methylphenyl)-amino]-benzoic acid for organic light-emitting devices
(WILEY-BLACKWELL, 2011)We have synthesized 4-[N-phenyl-N-(3-methylphenyl)-amino]-benzoic acid (4-[PBA]) and investigated its molecular vibrations by infrared and Raman spectroscopies as well as by calculations based on the density functional ... -
Ni doping effect on electrical conductivity of ZnO nanocrystalline thin films
(SPRINGER, 2011)The electrical conductivity behavior of undoped and Ni-doped ZnO nanocrystalline thin films prepared by spin-coating method was investigated as a function of temperature. The films were found to have polycrystalline ... -
Molecular structure, vibrational, UV and NBO analysis of 4-chloro-7-nitrobenzofurazan by DFT calculations
(PERGAMON-ELSEVIER SCIENCE LTD, 2011)In the present work, we reported a combined experimental and theoretical study on molecular structure, vibrational spectra and NBO analysis of 4-chloro-7-nitrobenzofurazan (NBD-Chloride). The FT-IR (400-4000 cm(-1)) and ... -
Multiphonon hopping of carriers in CuO thin films
(ELSEVIER SCIENCE BV, 2011)We have performed a detailed study of the electrical conduction process in CuO thin films deposited by the sol-gel dip coating technique in a temperature range 280-420 K. The electrical conduction is analyzed within the ...
