Güncel Gönderiler: Makale Koleksiyonu
Toplam kayıt 186, listelenen: 41-60
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Synthesis and structural characterization of 3-[1-[4-(2-methylpropyl)phenyl] ethyl]-6-(4-fluorophenyl)-1,2,4-triazolo[3,4-b]-1,3,4-thiadiazole
(Cambridge Univ Press, 2019)3-[1-[4-(2-Methylpropyephenyl] ethyl]-6-(4-fluorophenyl)-1,2,4-triazolo [3,4-b] -1,3,4-thiadiazole (C21H21FN4S) has been synthesized as a member of a series of triazolothiadiazoles having NSAIDs moieties with cytotoxic ... -
Frequency Dependent Dielectric Properties of ZnSe/p-Si Diode
(Gazi Univ, 2019)The study on electrical and dielectric properties of the ZnSe/p-Si diode have been investigated using admittance measurements in the frequency range of 50 kHz - 1 MHz at room temperature. The experimental values of dielectric ... -
Analysis of forward and reverse biased current-voltage characteristics of Al/Al2O3/n-Si Schottky diode with atomic layer deposited Al2O3 thin film interlayer
(Springer, 2019)The dark current-voltage (I-V) characteristics of Al/Al2O3/n-Si Schottky diode are investigated in a wide temperature range of 260-360 K. The diode shows four orders of magnitude rectification. In forward and reverse bias ... -
Tailored microstructures, optical and magnetic qualities of strontium hexaferrites: Consequence of Tm3+ and Tb3+ ions Co-substitution
(Elsevier Sci Ltd, 2019)Terbium (Tb) and Thulium (Tm) co-doped strontium hexaferrites (SHFs), with composition SrFe12-2xTbxTmxO19 (0.00 <= x <= 0.04), were prepared via sol-gel auto-combustion method. The effect of Tb3+ and Tm3+ (as codopants) ... -
The Temperature Effect on Magnetic Properties of NiFe2O4 Nanoparticles
(Springer, 2018)In this study, NiFe2O4 nanoparticles (NPs) were fabricated via auto citric acid sol-gel route at three different temperatures (900, 1000 and 1100 A degrees C). X-ray diffraction (XRD) and Fourier transform infrared were ... -
The Analysis of Inhomogeneous Barrier Height in In/SnTe/Si/Ag Diode
(Gazi Univ, 2018)SnTe thin film layer was fabricated by magnetron sputtering technique on n-Si substrate, and the electrical properties of the In/SnTe/Si/Ag diode structure was investigated by using temperature dependent forward bias ... -
Atomik Tabaka Biriktirme Metodu ile Üretilen HfO2 Tabanlı Sensörlerin Hidrojen Gaz Algılama Özelliklerinin İncelenmesi
(Gazi Univ, 2016)Fossil fuels can very quickly be exhausted condition and thus leave harmful residues such as CO 2 environment clean and reliable use of the H-2 gas as the energy source of the future are expanded in various fields. In this ... -
Restricted rotation around the methylene bridge of 5-(2-p-(chlorophenyl)benzimidazole-1-yl)methyl-4-(o-substitutedphenyl)-2,4-dihydro-[1,2,4]-triazole-3-thiones as evidenced by NMR, X-RAY and DFT studies and the importance of low energy rotational conformers
(Elsevier B.V., 2019)The aim of this study was to clarify the restricted rotation around the –CH2–N bond of the compounds, 5-(2-(p-chlorophenylbenzimidazol-1-yl-methyl)-4-(o-methylphenyl)-2,4-dihydro-[1,2,4]-triazole-3 thione [1], 4-(o-florophenyl)- ... -
Synthesis and characterization of electrospun NiCoCdNdFeO4 nanofibers
(Elsevier B.V., 2020)We report here the production of novel Ni0.5Co0.5−xCdxNd0.02Fe1.78O4 nanofibers (NFs) (0.00 ≤ x ≤ 0.25) via electrospinning method with using polyvinylpyrrolidone (PVP) as a polymer agent. The investigation of the partial ... -
Electrical properties of Al/PCBM:ZnO/p-Si heterojunction for photodiode application
(Elsevier Ltd, 2020)In this paper, the electrical characteristics of spin-coated PCBM:ZnO interlayered Al/PCBM:ZnO/Si diode are investigated under the aim of photodiode application. Under dark condition, the diode shows about four orders in ... -
Investigation of optical properties of Bi12GeO20 sillenite crystals by spectroscopic ellipsometry and Raman spectroscopy
(Elsevier Ltd, 2020)Bi12GeO20 (BGO) compound is one of the fascinating members of sillenites group due to its outstanding photorefractive and photocatalytic characteristics. The present paper aims at investigating optical properties of BGO ... -
Tb3+ substituted strontium hexaferrites: Structural, magnetic and optical investigation and cation distribution
(Chinese Society of Rare Earths, 2019)In this study, SrFe12−xTbxO19 (0.00 ≤ x ≤ 0.1) hexaferrites (HFs) were prepared successfully by citrate sol-gel approach. X-ray powder diffraction analyses affirm the hexagonal structure of products. Impurity phase starts ... -
Co-substitution of zirconium and neodymium on hyperfine interactions and AC susceptibility of SrFe12O19 nanohexaferrites
(Chinese Society of Rare Earths, 2019)This study presents the influence of Zn and Nd co-substitution on structure, morphology, AC suscepti-bility and ZFC-FC magnetizations of Sr nanohexaferrites (NHFs), SrFe12xðZn;NdÞxO19(0.0 x 1.0),which was produced by sol-gel ... -
Temperature-dependent band gap characteristics of Bi12SiO20 single crystals
(American Institute of Physics Inc., 2019)Bi12SiO20 single crystals have attracted interest due to their remarkable photorefractive characteristics. Since bandgap and refractive index are related theoretically to each other, it takes much attention to investigate ... -
Geliştirilmiş dalgarno-lewis pertürbasyon yöntemiyle doğrusal ve doğrusal olmayan sistemlerin enerji düzeylerinin hesaplanması
(Gümüşhane Üniversitesi, 2017)Bu çalışmada, geliştirilmiş Dalgarno-Lewis pertürbasyon yöntemi üzerinde durulmaktadır. Enerji düzeylerinin ve dalga fonksiyonlarının hesabıyla ilgili işlemci tanımlanmaktadır. Elde edilen işlemci yardımıyla birinci ve ... -
Effect of N doping on TL2GA2S3SE single crystals: thermoluminescence characterization of defect centers
(Eskişehir Teknik Üniversitesi, 2018)Thermoluminescence study on nitrogen doped Tl2Ga2S3Se single crystals was achieved by performing the experiments with different stopping temperatures of 10−24 K and various heating rates between 0.4 and 1.2 K/s below room ... -
On the origin and age of the Arıburnu Beachrock, Gelibolu Peninsula, Turkey
(TÜBİTAK, 2008)Bu çalışmada Gelibolu Yarımadası’nda, Arıburnu kıyılarındaki yalıtaşı oluşumu arazi verileri, ince kesit yorumlamaları, ICP-AES, EDS ve SEM analizleri ve OSL yaşlandırması ile ele alındı. Analizler yalıtaşı çimentosu içinde ... -
Al/Al2o3/P-Si yapısının Co gaz algılama özellikleri
(Gazi Üniversitesi, 2015)Bu çalışmada Al/Al2O3/p-Si yapısının gaz algılama özellikleri incelenmiştir. Al2O3 metal oksit yapısı atomik tabaka biriktirme (ALD) metoduyla üretilmiştir. Üretilen yapının farklı sıcaklıklar (300-450K) ve farklı CO gaz ... -
Study on the reverse bias carrier transport mechanism in Au/TiO2/n-4H-SiC structure
(American Scientific Publishers, 2016)In this paper we examine the reverse bias carrier transport mechanism in Au/TiO2/n-4H-SiC structure. The current-voltage-temperature (IR-V-T) plots have been investigated in the temperature range of 200-380 K. Experimental ... -
Benzotriazole and benzodithiophene containing medium band gap polymer for bulk heterojunction polymer solar cell applications
(John Wiley and Sons Inc., 2014)An alternating donor‐acceptor copolymer based on a benzotriazole and benzodithiophene was synthesized and selenophene was incorporated as π‐bridge. The photovoltaic and optical properties of polymer were studied. The ...
