Başlık için Fizik Bölümü listeleme
Toplam kayıt 1178, listelenen: 936-955
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Spectroscopic Determination of the Acid Dissociation Constants of Some 2-Hydroxy Schiff Base Derivatives
(American Chemical Society, 2011)In this study the acidity constants of a series of biologically active pyridyl Schiff bases were calculated from UV-visible spectrophotometric data at (25 +/- 0.1)degrees C. The first acidity constants (pK(a1)) of the ... -
Spectroscopic investigation of 2-(4-benzoyl-1,5-diphenyl-1H- pyrazol-3-yl)-4H-naphto[2,3-d][1,3] oxazin-4-one molecule
(World Scientific Publ Co Pte LTD, 2017)In this present study, the experimental and theoretical vibrational frequencies of an important pharmacological molecule 2-(4-benzoyl-1,5-diphenyl-1H-pyrazol-3-yl)-4H-naphto[2,3-d][1,3] oxazin-4-one have been researched. ... -
Spectroscopic Investigations of 1,4-Dioxane Adsorbed on Bentonite From Anatolia
(2016)The adsorption of 1,4-dioxane on a natural bentonite sample from Ünye region of Turkey has been examined using infrared and solid state magic angle spinning nuclear magnetic resonance spectroscopic techniques. It was ... -
Spectroscopic study and numerical simulation of low-pressure radio-frequency capacitive discharge with argon downstream
(Canadian Science Publishing, Nrc Research Press, 2017)In this study, the characteristic properties and plasma parameters of capacitive radio frequency (RF) argon (Ar) discharge and supplementary discharge at low pressure are investigated with optical emission spectroscopy ... -
Speech and language disorders in patients with cerebral palsy [Serebral palsi·li· hastalarda di·l ve konuşma bozukluklari]
(2004)The aim of this study was to evaluate the speech and language disorders of patients with cerebral palsy. A total of 48 patients including 23 girls and 25 boys with spastic cerebral palsy were included in the study. Thirteen ... -
Spray pyrolysis yöntemiyle elde edilen $Cd_{0.73}Zn_{0.27}S_{0.8}Se_{0.2}$ yarıiletken filminin optik özellikleri
(2004)Bu çalışmada, $Cd_{0.73}Zn_{0.27}S_{0.8}Se_{0.2}$ filmi spray pyrolysis yöntemi ile cam tabanlar üzerine 225°C taban sıcaklığında elde edilmiştir. Filmin yasak enerji aralığının direkt bant geçişli olduğu ve değerinin ... -
Spray pyrolysis yöntemiyle elde edilen $CuCd_{0.8}InS_{2.8}$ filminin optik özellikleri
(2004)Bu çalışmada, spray pyrolysis yöntemiyle 225°C taban sıcaklığında elde edilen $CuCd_{0.8}InS_{2.8}$ yarıiletken fıliminin optik özellikleri incelenmiştir. Absorpsiyon spektrumu ölçümlerinden filmin direkt bant geçişli ... -
Spray Pyrolysis Yöntemiyle Üretilen In2O Filmlerinin Yapısal ve Optik Özellikleri
(2017)Geçirgen iletken oksitlerden biri olan indiyum oksit (In2O3) yarıiletken filmleri spray pyrolysis yöntemiyle 300, 350 ve 400 °C taban sıcaklıklarında cam tabanlar üzerine elde edilmiştir. X-ışını kırınım desenleri ... -
Stable topological edge states in a non-Hermitian four-band model
(Amer Physical Soc, 2018)We introduce a one-dimensional non-Hermitian four-band tight-binding lattice system. We find stable topological edge states protected by particle-hole and parity-time symmetries. We show that a topological phase appears ... -
Stereoselective and regioselective synthesis of N-substituted methyl 2-((azolyl)methyl)-3-arylacrylates from Baylis-Hillman acetates
(Scientific Technical Research Council Turkey-Tubitak, 2017)N-Substituted methyl 2-((azolyl)methyl)-3-arylacrylates were synthesized stereo- and regioselectively with one-pot reaction between Baylis-Hillman acetates and a suitable acylazole in the presence of K2CO3 as a base catalyst. ... -
STRUCTURAL AND 'DIELECTRIC PROPERTIES OF (1-x) Li2TiO3 xMgO CERAMICS PREPARED BY THE SOLID STATE REACTION METHOD
(John Wiley & Sons Inc, 2017)In this study, (1-x) Li2TiO3 + xMgO (x= 0, 0.1, o.3, and 0.5) ceramic samples were prepared by the solid-state reaction method and characterized using X-ray diffraction spectra and Raman Spectroscopy. The samples sintered ... -
Structural and dielectric properties of (1-x) Li2TiO3 + xmgo ceramics prepared by the solid state reaction method
(American Ceramic Society, 2017)In this study, (1- x) Li2TiO3 + xMgO (x= 0, 0.1, 0.3, and 0.5) ceramic samples were prepared by the solid-state reaction method and characterized using X-ray diffraction spectra and Raman Spectroscopy. The samples sintered ... -
Structural and Electrical Properties of Specular Spin Valve with CuOx Spacer.
(Int Union Crystallography, 2009)… -
Structural and optical characterization of InAs/GaSb type-II superlattices: Influence of the change in InAs and GaSb layer thicknesses for fixed InSb-like interfaces
(Elsevier Science Sa, 2015)In this article, we report on the molecular beam epitaxy growth and characterization of a 140 period InAs/GaSb type-II superlattice structure designed for mid infrared detection. Thickness of a period was systematically ... -
Structural and optical properties of $Cd_ {0.22} Zn_{ 0.78}$ films produced by spray pyrolysis method
(2003)Püskürtme yöntemi ile farklı taban sıcaklıklarında elde edilen $Cd_ {0.22} Zn_{ 0.78}$ S yarıiletken filmlerinin yapısal ve optiksel özellikleri incelenmiştir. X-ışını kırınım desenlerinden, elde edilen filmlerin polikristal ... -
Structural and optical properties of Al2O3 with Si and Ge nanocrystals
(2007)Si and Ge nanocrystals were formed in Al2O3 matrix by ion implantation and subsequent annealing. The phase separation of the Si nanocrystals was observed using X-ray photoelectron spectroscopy by monitoring Si 2p electrons. ... -
Structural and optical properties of Co-doped NiO films prepared by SILAR method
(Taylor & Francis LTD, 2015)In this study, transparent thin films of un-doped and Co-doped nickel oxide were deposited onto microscopic glass substrates using the successive ionic layer adsorption and reaction (SILAR) method. The effect of cobalt ... -
Structural and optical properties of copper doped ZnO films derived by sol-gel
(Elsevier Science BV, 2012)Undoped and copper doped ZnO (ZnO:Cu) films were prepared by sol-gel spin coating technique. The effect of Cu incorporation on the structural, morphological and optical properties of the Zinc oxide ( ZnO) film was investigated. ... -
Structural and optical properties of nanocrystalline ZnS and ZnS:Al films
(Elsevier, 2018)ZnS and ZnS:Al films have been deposited by ultrasonic spray pyrolysis (USP) method. Three different atomic ratios of aluminium were used as the dopant element. The effects of aluminum incorporation on structural and optical ... -
Structural and optical properties of porous nanocrystalline Ge
(2008)Nanocrystalline Ge films were prepared by isotropic chemical etching on single-crystalline Ge substrates with 100 and 111 orientations. The structural and optical properties have been investigated by transmission electron ...