Güncel Gönderiler: Fen Edebiyat Fakültesi
Toplam kayıt 674, listelenen: 61-80
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Ultrasonic synthesis, magnetic and optical characterization of Tm(3+)and Tb3+ ions co-doped barium nanohexaferrites
(Academic Press Inc Elsevier Science, 2020)This study investigated the structural, optical and magnetic properties of BaTmxTbxFe12-2xO19(x <= 0.05) nanohexaferrites (NHFs) produced by ultrasonic assisted sol-gel combustion approach. The structure of all samples was ... -
Hyracoidea from the Middle Miocene hominoid locality of Pasalar (NW Turkey)
(Scientific Technical Research Council Turkey-Tubitak, 2020)Previously available samples of Hyracoidea from Pasalar (MN 6, Middle Miocene), Turkey, have indicated the presence of Pliohyracidae at the site, but the material was too scanty for confident identification. The single ... -
Impact of Eu3+ ion substitution on structural, magnetic and microwave traits of Ni-Cu-Zn spinel ferrites
(Elsevier Sci Ltd, 2020)Partially europium (Eu) substituted Ni0.4Cu0.2Zn0.4EuxFe2-xO4(0.0 <= x <= 0.10) nanostructured spinel ferrites (NSFs) were produced by sol-gel auto-combustion strategy. The XRD analyses verified the existence of the ... -
Strong correlation between Dy3+ concentration, structure, magnetic and microwave properties of the [Ni0.5Co0.5](DyxFe2-x)O-4 nanosized ferrites
(Elsevier Science Inc, 2020)The dysprosium ions (Dy-3(+))-substituted nanosized ferrites (NFs) of composition [Ni0.5Co0.5](DyxFe2-x)O-4 (x <= 0.08) were prepared using the citrate gel process. To analyse the magnetic properties of the samples, the ... -
Dark and illuminated electrical characteristics of Si-based photodiode interlayered with CuCo5S8 nanocrystals
(Springer, 2020)Derived from the traditional dichalcogenide CuS structure, ternary transition metal chalcogenide nanoparticles in the form of CuCo5S8 are investigated under the aim of photodiode application. In addition to the detailed ... -
Physical properties of heteroatom doped graphene monolayers in relation to supercapacitive performance
(Natl Inst Science Communication-Niscair, 2020)Electrodes fabricated using graphene are quite promising for electric double layer capacitors. However graphene has the limitations of low 'Quantum Capacitance (QC)' near fermi level due to the presence of Dirac point that ... -
Qurliqnoria (Bovidae, Mammalia) from the Upper Miocene of Corakyerler (Central Anatolia, Turkey) and its biogeographic implications
(Elsevier, 2020)New bovid material from the Upper Miocene site of corakyerler (Canlun basin, Anatolia, Turkey) is described and compared here. The described taxon is identified as a representative of the stem caprine genus Qurlignoria, ... -
Optical characteristics of Bi12SiO20 single crystals by spectroscopic ellipsometry
(Elsevier, 2020)Structural and optical characteristics of Bi12SiO20 single crystal grown by the Czochralski method were investigated by virtue of X-ray diffraction (XRD) and spectroscopic ellipsometry measurements. XRD analysis indicated ... -
Treatment a New Approximation Method and Its Justification for Sturm-Liouville Problems
(Wiley-Hindawi, 2020)In this paper, we propose a new approximation method (we shall call this method as alpha-parameterized differential transform method), which differs from the traditional differential transform method in calculating the ... -
The westernmost Asian record of pythonids (Serpentes): the presence ofPythonin a Miocene hominoid locality of Anatolia
(Taylor & Francis Inc, 2020)Pythonids are fascinating extant reptiles comprising exclusively non-venomous Old-World taxa and including some of the largest known snakes (Murphy and Henderson, 1997). Being thermophilous reptiles, they are distributed ... -
Ca2+/Mg2+ co-substituted strontium nanohexaferrites: magnetic investigation and Mossbauer analysis (vol 93, pg 228, 2020)
(Springer, 2020)[Abstract Not Available] -
Electrical characterization of CdZnTe/Si diode structure
(Springer Heidelberg, 2020)Temperature-dependent current-voltage (I - V), and frequency dependent capacitance-voltage (C - V) and conductance-voltage (G - V) measurements were performed in order to analyze characteristics of CdZnTe/Si structure. ... -
Electrical characteristics of atomic layer deposited Au/Ti/HfO2/n-GaAs MIS diodes in the wide temperature range
(Springer, 2020)Au/Ti/HfO2/n-GaAs MIS (metal/insulating layer/semiconductor) diodes were fabricated by atomic layer deposition technique and their electrical properties were investigated in detail by the help of current-voltage (I-V) and ... -
The dielectric performance of Au/CuCo5S8/p-Si heterojunction for various frequencies
(Springer, 2020)CuCo5S8 thiospinel nanocrystals were synthesized by a modified colloidal method, and then it was used as an interfacial layer in the Au/CuCo5S8/p-Si heterojunction device to characterize the dielectric performance of the ... -
A Study of the Eigenfunctions of the Singular Sturm-Liouville Problem Using the Analytical Method and the Decomposition Technique
(Mdpi, 2020)Abstract: The history of boundary value problems for differential equations starts with the well-known studies of D. Bernoulli, J. D’Alambert, C. Sturm, J. Liouville, L. Euler, G. Birkhoff and V. Steklov. The greatest ... -
Investigation of the crystal/magnetic structure, magnetic and optical properties of SrYxNbxFe12-2xO19 (x <= 0.05) hexaferrites
(Iop Publishing Ltd, 2020)Series of Sr hexaferrites (HFs) co-substituted with Nb3+ and Y3+ ions (SrYxNbxFe12-2xO19 (x <= 0.05) were prepared via sol-gel combustion method. In addition to their optical, low temperature, magnetic properties and ... -
Molecular structure, spectroscopy and reactivity: A collection of selected communications presented at the VIIth Inorganic Chemistry Congress - Corum (Turkey) Preface
(Elsevier, 2020)[Abstract Not Available] -
Novel monoanionic diphenate-nicotinamide/N,N-diethylnicotinamide complexes of Ni-II, Zn-II. Synthesis, structural investigations and hydrogen adsorption study
(Elsevier, 2020)The coordination compounds and polymers in which the transition metals are taken centrally are of interest due to their very different properties. The studies on the synthesis and structural properties of these compounds ... -
Frequency effect on electrical and dielectric characteristics of HfO2-interlayered Si-based Schottky barrier diode
(Springer, 2020)This study reveals the electrical properties of In/HfO2/n-Si structure with atomic layer-deposited interfacial oxide layer, HfO2 thin film between In top metal contact and monocrystalline Si wafer substrate. From the dark ... -
Electrical characteristics of organic heterojunction with an alternating benzotriazole and fluorene containing copolymer
(Springer, 2020)The current-voltage (I - V) and capacitance-voltage (C - V) characteristics of the organic heterojunction diode were investigated in a wide temperature range from 80 to 320 K and frequency range from 10 kHz to 1 MHz, ...
