Güncel Gönderiler: Makale Koleksiyonu
Toplam kayıt 1058, listelenen: 1041-1058
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Adsorption studies of hydrogen and ethylene on cation-exchanged bentonite
(Mineralogical Soc, 2017)The adsorption of C2H4 and H-2 gases by bentonite from the Unye region, Turkey both as raw (B) and as K+-, Li+-, Ag+- and Mg2+- exchanged forms, was investigated using automated volumetric equipment and pressures up to 100 ... -
Effects of hydrochloric acid treatment on structure characteristics and C2H4 adsorption capacities of nye bentonite from Turkey: a combined FT-IR, XRD, XRF, TG/DTA and MAS NMR study
(Springer, 2016)In this study, a bentonite sample from nye, Turkey was treated with various HCl solutions (0.1, 1.0 and 5.0 M) at 90 A degrees C during 3 and 6 h. X-ray diffraction (XRD), X-ray fluorescence (XRF), differential thermal ... -
Investigation of clinoptilolite rich natural zeolites from Turkey: a combined XRF, TG/DTG, DTA and DSC study
(Springer, 2010)Turkey clinoptilolite-rich tuffs from Gordes and Bigadi double dagger regions of western of Anatolia and their exchanged forms (K(+), Na(+), Mg(2+) and Ca(2+)) were characterized by TG/DTG-DTA, DSC and XRF methods and the ... -
Thermal, structural and ethylene adsorption properties of Ag-, Cu- and Fe-modified bentonite from Turkey
(Springer, 2016)Thermal and structural properties of bentonite from Unye (Turkey) and that of Ag-, Cu-and Fe-modified forms were investigated by differential thermal analysis, thermogravimetric analysis, X-ray diffraction and surface area ... -
Barrier lowering effect and dark current characteristics in asymmetric GaAs/AlGaAs multi quantum well structure
(Springer, 2011)In this study, we investigate dark current voltage characteristics of GaAs/AlGaAs staircase-like asymmetric multiquantum well structure at various temperatures experimentally. The activation energy is calculated by using ... -
The investigation of the effect of thermal treatment on bentonites from Turkey with Fourier transform infrared and solid state nuclear magnetic resonance spectroscopic methods
(Pergamon-Elsevier Science LTD, 2012)There is a great deal of interest in the building industry in burned clays for production of building materials. Therefore, the effect of heat treatment on natural bentonite from Turkey was investigated by Fourier transform ... -
Optical CCD photometry and Rosat X-ray spectral analysis of the shortest period CV EI Psc (1RXS J232953.9+062814)
(Elsevier Science BV, 2009)We present here the optical observations of EI Psc (1RXS J232953.9 + 062814) through Turkish National Observatory (TUG) with RTT150 cm Russian-Turkish joint telescope and its X-ray observation using the ROSAT archival data. ... -
Structural transformations of TiO2 films with deposition temperature and electrical properties of nanostructure n-TiO2/p-Si heterojunction diode
(Elsevier Science Sa, 2014)Titanium oxide (TiO2) films have been deposited on p-Si substrates by sol-gel method using spin coating technique. Structural and morphological properties were studied as a function of deposition temperatures by X-ray ... -
Effect of ambient temperature on electrical properties of nanostructure n-ZnO/p-Si heterojunction diode
(Academic Press LTD- Elsevier Science LTD, 2012)The nanostructure n-ZnO/p-Si heterojunction diode was fabricated by sol-gel method. The structural and morphological properties of the nanostructure ZnO film have been investigated. The X-ray diffraction spectra indicated ... -
Mapping of Heavy Metal Contamination Characteristics Using Ciaprg Methodology
(Corvinus University Budapest, 2016)The aim of this study is to produce a digital contamination map which is interactively rectified with a database, projected and scaled. For this reason, a detailed investigation was conducted for an understanding of ... -
Sol-gel derived zinc oxide films: Effect of deposition parameters on structure, microstructure and photoluminescence properties
(Academic Press LTD- Elsevier Science LTD, 2011)ZnO films were prepared by sol-gel method and deposited onto glass substrates with spin coating system. XRD patterns and FESEM analysis were used to investigate the effect of deposition parameters such as spin speed and ... -
Effect of Sn dopants on the optical and electrical properties of ZnO films
(Technical University Wroclaw, 2010)The undoped and tin (Sn) doped ZnO films were deposited by a spray pyrolysis method onto the glass substrates. 0.2 M solution of zinc acetate in a mixture of ethanol and deionised water, in a volume proportion of 3 :1, was ... -
Investigations on structural, vibrational, morphological and optical properties of CdS and CdS/Co films by ultrasonic spray pyrolysis
(Elsevier Science BV, 2011)CdS and CdS/Co films have been deposited on glass substrates by an ultrasonic spray pyrolysis method. The effects of Co incorporation on the structural, optical, morphological, elemental and vibrational properties of these ... -
Synthesis, IR spectrum, thermal property and crystal structure of cyano-bridged heteronuclear polymeric complex, [Cd(teta)Ni(mu-CN)(2)(CN)(2)] center dot 2H(2)O
(Springer/Plenum Publishers, 2008)The cyano-bridged heteronuclear polymeric complex, [Cd(teta)Ni(mu-CN)(2)(CN)(2)] center dot 2H(2)O (1), (teta = triethylenetetraamine) was synthesized and characterized by FT-IR spectroscopy, thermal analysis and single ... -
Influence of Annealing Temperature on the Structural and Optical Characteristics of Nanostructure SnO2 Films and Their Applications in Heterojunction Diode
(Amer Scientific Publishers, 2016)In present study, sol gel spin coating method was used to fabricate the nanostructure SnO2 films using the tin(II) acetate solutions. The solutions were spin coated on p-Si substrates and the obtained films was annealed ... -
Large hh-lh splitting energy for InAs/AlSb/GaSb based N-structure photodetectors
(Amer Inst Physics, 2018)We investigate the band properties of InAs/AlSb/GaSb (N-structure) and InAs/GaSb material based type II superlattice (T2SL) photodedectors. The superlattice empirical pseudopotential method is used to define band-structures ... -
Solid-phase microextraction and ion chromatographic analysis of anions based on polypyrrole electrode
(John Wiley & Sons Inc, 2008)The polypyrrole (PPy) film was used for the selective extraction of trace levels of chloride, nitrite, and nitrate ions by solid phase micro-extraction (SPME). PPy film was electrochemically prepared from aqueous solutions ... -
Vibrational and X-ray diffraction spectra of SnS film deposited by chemical bath deposition method
(Edp Sciences S A, 2009)Tin sulphide films have been deposited onto glass substrates at room temperature by chemical bath deposition using aqueous solution. The structural and vibrational properties of the deposited films have been characterized ...