Güncel Gönderiler: Fizik Bölümü
Toplam kayıt 1178, listelenen: 1001-1020
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The Dirac equation in Kerr-Taub-NUT spacetime
(IOP Publishing LTD, 2013)We study the Dirac equation in the Kerr-Taub-NUT spacetime. We use Boyer-Lindquist coordinates and separate the resulting equations into radial and angular parts. We obtain some exact analytical solutions of the angular ... -
Finite mass gravitating Yang monopoles
(Amer Physical Soc, 2008)We show that gravity cures the infrared divergence of the Yang monopole when a proper definition of conserved quantities in curved backgrounds is used, i.e. the gravitating Yang monopole in cosmological Einstein theory has ... -
Klein-Gordon particles in symmetrical well potential
(Elsevier Science Inc, 2016)An approximate analytical solution of the KleinGordon equation for the equal scalar and vector symmetrical well potential is presented in this study. The energy eigenvalue equation and corresponding wave functions for ... -
Kerr-Taub-NUT spacetime with Maxwell and dilaton fields
(Amer Physical Soc, 2008)We present an exact solution describing a stationary and axisymmetric object with electromagnetic and dilaton fields. The solution generalizes the usual Kerr-Taub-NUT (Newman-Unti-Tamburino) spacetime in general relativity ... -
Synthesis and Photodiode Characterization of Novel Twisted Carbazole Derivatives with 1,3,5-Benzene Core
(Springer, 2018)In this study, considering the information given in the literature the Ullman and Suzuki-Miyaura coupling reactions were carried out using carbazole, 1,3,5 tribromo benzene and aryl boronic acid. The synthesized novel ... -
Synthesis of novel carbazole derived substances using some organoboron compounds by palladium catalyzed and investigation of its semiconductor device characteristics
(Elsevier Science BV, 2018)Carbazole compounds in particular represent one of the most intensely used and studied class of semiconducting materials. In this study, considering the information given in the literature the Ullman and Suzuki-Miyaura ... -
Massive Dirac equation in asymmetric Hulthen potential
(Amer Inst Physics, 2013)One-dimensional effective mass Dirac equation is solved in asymmetric Hulthen potential. Scattering and bound state solutions are obtained in terms of hypergeometric functions. Transmission and reflection coefficients are ... -
Hyperbolic octonionic Proca-Maxwell equations
(Verlag Z Naturforsch, 2008)In this study, after introducing the hyperbolic octonionic (counteroctonion) algebra, which is also expressed in the sub-algebra of sedenions, and differential operator, Proca-Maxwell equations and relevant field equations ... -
Magnesium-doped zinc oxide nanorod-nanotube semiconductor/p-silicon heterojunction diodes
(Springer, 2016)Nanostructured zinc oxide material is usable in electronic device applications such as light-emitting diodes, heterojunction diode, sensors, solar cell due to its interesting electrical conductivity and optical properties. ... -
Synthesis and characterization of (CuO)(x)(ZnO)(1-x) composite thin films with tunable optical and electrical properties
(Elsevier Science Sa, 2012)Mixed (CuO)(x)(ZnO)(1-x) composite films have been prepared on glass substrates by a sol-gel spin coating method using copper acetate hydrate and zinc acetate dihydrate as precursors. The surface morphology and crystal ... -
Influence of Mn incorporation on the structural and optical properties of sol gel derived ZnO film
(Springer, 2010)Undoped and manganese doped ZnO (ZnO:Mn) films were prepared by sol gel method using spin coating technique. The effect of Mn incorporation on the structural and optical properties of the ZnO film has been investigated. ... -
Influence of heat treatment on the nanocrystalline structure of ZnO film deposited on p-Si
(Elsevier Science Sa, 2009)The influence of heat treatment on the crystal structure, grain growth kinetics, orientation, and refractive index properties of the ZnO film deposited onto p-type single-crystalline Si substrate by sol-gel method has been ... -
FESEM, XRD and DRS studies of electrochemically deposited boron doped ZnO films
(De Gruyter Poland Sp Zoo, 2017)In this study, the effect of boron (B) incorporation into zinc oxide (ZnO) has been investigated. The undoped, 2 at.%. and 4 at.% B doped ZnO films were deposited on p-type silicon (Si) substrates by electrodeposition ... -
ZnO/p-Si heterojunction photodiode by sol-gel deposition of nanostructure n-ZnO film on p-Si substrate
(Elsevier Sci LTD, 2010)The electrical and photovoltaic properties of the nanostructure ZnO/p-Si diode have been investigated. The nanostructure ZnO/p-Si diode was fabricated using sot-gel spin coating method. The ideality factor and barrier ... -
Preparation and characterization of electrodeposited ZnO and ZnO:Co nanorod films for heterojunction diode applications
(Elsevier Science Sa, 2013)Well-aligned undoped and Co-doped nanorod ZnO films were grown by electrochemical deposition onto p-Si substrates from an aqueous route. Aqueous solution of Zn(NO3)(2)center dot 6H(2)O and hexamethylenetetramine (HMT) were ... -
XRD, SEM, XPS studies of Sb doped ZnO films and electrical properties of its based Schottky diodes
(Elsevier GMBH, Urban & Fischer Verlag, 2018)This work presents both the morphological and structural characterizations of ZnO depending on the Sb doping and the electrical characterization of ZnO based Schottky diodes grown on ITO substrates by sol gel dip coating ... -
Determination of the electronic parameters of nanostructure SnO2/p-Si diode
(Elsevier Science BV, 2009)The current-voltage and capacitance-voltage characteristics of the nanostructure SnO2/p-Si diode have been investigated. The optical band gap and microstructure properties of the SnO2 film were analyzed by optical absorption ... -
Morphological, optical and electrical properties of CdZnO films prepared by sol-gel method
(IOP Publishing LTD, 2009)CdZnO films were deposited by the sol-gel spin coating method onto glass substrates. ZnO, Cd(0.25)Zn(0.75)O, Cd(0.50)Zn(0.50)O, Cd(0.75)Zn(0.25) O, CdO films were deposited using different rates of cadmium acetate dehydrate ... -
Effect of deposition parameters on the structural properties of ZnO nanopowders prepared by microwave-assisted hydrothermal synthesis
(Pergamon-Elsevier Science LTD, 2015)ZnO nanopowders were synthesized via microwave-assisted hydrothermal method at different deposition (microwave irradiation) times and pH values. The effects of pH and deposition (microwave irradiation) time on the crystalline ... -
Microstructural, optical and electrical studies on sol gel derived ZnO and ZnO:Al films
(Elsevier Science BV, 2012)ZnO and ZnO:Al films were deposited onto glass substrates by the sol gel method using spin coating technique. The effects of aluminum dopant on the crystalline structure and orientation of the ZnO films have been investigated ...
