Başlık için FEF, Fizik Bölümü Koleksiyonu listeleme
Toplam kayıt 321, listelenen: 117-136
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The effective-field study of a mixed spin-1 and spin-5/2 Ising ferrimagnetic system
(2009)An effective-field theory with correlations is developed for a mixed spin-1 and spin-5/2 Ising ferrimagnetic system on the honeycomb (?=3) and square (?=4) lattices in the absence and presence of a longitudinal magnetic ... -
Effects of Bi-2212 addition on the levitation force properties of bulk MgB2 superconductors
(Springer, 2016)We present a detailed investigation of the effects of Bi2Sr2Ca1Cu2O8+kappa (Bi-2212) adding on the levitation force and magnetic properties of bulk MgB2 obtained by hot press method. the amount of Bi-2212 was varied between ... -
Effects of initial cooling conditions and measurement heights on the levitation performance of bulk MgB superconductor at different measurement temperatures
(Springer/Plenum Publishers, 2014)The levitation properties of MgB prepared by hot press at 200 C and then pellet/closed tube method has been investigated. the vertical and lateral levitation forces ( and on a cylindrical NdFeB permanent magnet (PM) below ... -
Effects of Meissner surface current on the microwave surface resistance of type-II superconductors
(Elsevier, 2010)Influence of the Meissner current on the field-induced variations of the microwave (mw) surface resistance in type-II superconductors is demonstrated to be well reproduced by exploiting different critical state models. ... -
Effects of Na doping on CdS thin films and n-CdS/p-Si solar cells via chemical bath deposition method
(Korean Assoc Crystal Growth, Inc, 2017)Un-doped and Na doped CdS thin films were deposited by chemical bath deposition method. the effects of Na doping on structural, optical and electrical properties of CdS thin films and n-CdS/p-Si heterojunction were ... -
Effects of silver doping on magnetic levitation performance of MgB2 superconductors
(Elsevier Sci Ltd, 2020)MgB2 bulk samples with the silver contents of 0, 1.5, 3.0, 4.5, 6.0, 9.0 and 12.0 wt% were fabricated at 775 degrees C for 3 h in Ar atmosphere by solid-state reaction method. the structural and electromagnetic properties ... -
The effects of the intense laser field on the resonant tunneling properties of the symmetric triple inverse parabolic barrier double well structure
(Elsevier, 2020)Transmission properties of an electron in the symmetric triple inverse parabolic barrier double well structure have been investigated under the intense laser field. We have found that the laser field has effects on tunneling ... -
Effects of ultraviolet light on B-doped CdS thin films prepared by spray pyrolysis method using perfume atomizer
(Elsevier Science Bv, 2013)Boron doped CdS thin films were deposited by spray pyrolysis method using perfume atomizer. the effects of ultraviolet light on the structural, optical and electrical properties of B-doped CdS thin films were investigated ... -
Effects of x in Yb1-xGdxBa2Cu3O7-y samples on c-lattice parameter, activation energy and its magnetic power constant
(Elsevier, 2008)The Yb1-xGdxBa2Cu3O7-y superconducting samples (x = 0.0, 0.2, 0.4, 0.6, 0.8 and 1.0) which were prepared by solid-state reaction technique were studied to investigate the effect of x on c-lattice parameter, the activation ... -
Efficient calculation of boys integrals
(2010)An efficient procedure has been presented for the calculation of Boys integrals by dividing the integral region [0, 1] into several parts. The obtained formula includes factorials, exponentials and a well known auxiliary ... -
Elastic scattering angular distribution for the 18O+48Ti collision at 275 MeV within the NUMEN project
(Soc Italiana Fisica, 2024)In the context of the NUMEN project, the 18O + 48Ti collision at 275 MeV incident energy was studied for the first time. In the adopted multichannel approach, the elastic scattering was measured in order to deduce the ... -
Electron transport in electrically biased inverse parabolic double-barrier structure
(Iop Publishing Ltd, 2016)A theoretical study of resonant tunneling is carried out for an inverse parabolic double-barrier structure subjected to an external electric field. Tunneling transmission coefficient and density of states are analyzed by ... -
The electronic structure of Ag1-xSn1+xSe2 (x=0.0, 0.1, 0.2, 0.25 and 1.0)
(Royal Soc Chemistry, 2017)We have studied the valence electronic structure of Ag1-xSn1+xSe2 (x = 0.0, 0.1, 0.2, 0.25) and SnSe (x = 1.0) by a combined analysis of X-ray absorption spectroscopy (XAS) and X-ray photoemission spectroscopy (XPS) ... -
Electronic transport and resonant tunneling properties of hyperbolic poschl-teller double-barrier structures
(Taylor & Francis Inc, 2019)The ballistic electron transport characteristics of hyperbolic Poschl-Teller double-barrier resonant tunneling structures are investigated. the transmission coefficient and the current density-voltage characteristic in ... -
Elemental composiiıons of some cosmetic products marketed in Turkey
(Parlar Scientific Publications (P S P), 2016)The aim of this study was to determine elemental composition of various cosmetic products marketed in Turkey by X-Ray Fluorescence Spectrometry (XRFS). These cosmetic products ranged from blush, eye shadow, lipstick, nail ... -
Enhanced efficiency of CdS/P3HT hybrid solar cells via interfacial modification
(Scientific Technical Research Council Turkey-Tubitak, 2019)The present paper examines the effects of surface modification of CdS with diverse dyes on fabricated CdS-based hybrid solar cells. the X-ray diffraction results showed that CdS thin films had a hexagonal phase with a ... -
Enhanced magnetic levitation and guidance force in MgB2 bulks by synthetic engine oil immersion
(Springer, 2019)We have used Synthetic engine oil' as a rich easily accessible carbon source and investigated the effect of engine oil on the microstructure, critical current density (J(c)), vertical levitation force (F-z) and guidance ... -
Enhancement in the optical and electrical properties of CdS thin films through Ga and K co-doping
(Elsevier Sci Ltd, 2017)In the presented work, Ga-doped CdS and (Ga-K)-co-doped CdS thin films are grown on glass substrates at a temperature of 400 degrees C through spray pyrolysis. Influence of K-doping on structural, morphological, optical ... -
Enhancing label-free biosensing with cryogenic temperature-induced plasmonic structures
(Springer, 2023)Plasmonic nanoparticles exhibit distinct nearfield properties that offer potential advantages for label-free biosensing applications. By generating strong interactions between light and matter, these nanoparticles can be ... -
Enhancing magnetic levitation and guidance force and weight efficiency of high-temperature superconducting maglev systems by using sliced bulk YBCO
(Wiley, 2023)We aimed to enhance the magnetic force efficiency of Maglev systems without increasing total weight. For this aim, we divided YBCO bulks into three slices horizontally to utilize the YBCO-permanent magnetic guideway (PMG) ...
