Güncel Gönderiler: Fizik Bölümü
Toplam kayıt 1178, listelenen: 1041-1060
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Investigation of the effect of Mg doping for improvements of optical and electrical properties
(Elsevier Science BV, 2016)Sol-gel spin coating method was used for the deposition of nanostructured undoped and Mg doped ZnO films. The effects of magnesium incorporation on the crystalline structure were investigated by XRD measurements and the ... -
Electrical and optical properties of undoped and In-doped ZnO thin films
(Wiley-V C H Verlag GMBH, 2007)Transparent conducting undoped and indium-doped zinc oxide (ZnO) thin films have been deposited by the spray pyrolysis method at 350 degrees C substrate temperature. X-ray diffraction spectra of the films have shown that ... -
Os doped YMnO3 multiferroic: A study investigating the electrical properties through tuning the doping level
(Elsevier Science Sa, 2018)Previously, it has been demonstrated the electrical and magnetic properties of YMnO3 (YMO) can be tuned with substitution of different elements into Y and/or Mn sites. In this study, the electrical properties of YMO were ... -
The electrical modulus and other dielectric properties by the impedance spectroscopy of LaCrO3 and LaCr0.90Ir0.10O3 perovskites
(Royal Soc Chemistry, 2018)We have prepared LaCrO3 (LCO) and 10% Ir doped LCO samples by the solid state reaction method and studied the electrical modulus and the other dielectric properties of the samples by means of the impedance spectroscopy in ... -
The characterization of electrical properties of Pd-doped LaCrO3 perovskite structure
(Springer, 2018)In the present study, the electrical properties of LCO were explored via substituting the Pd into Cr sites with various mol%. The crystalline morphology of synthesized LaCrO3 and LaCr1 - xPdxO3 (LCPO) (x = 0.05, 0.10, 0.20) ... -
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. ... -
Fabrication and electrical characterization of flower-like CdO/p-Si heterojunction diode
(IOP Publishing LTD, 2009)The electrical properties of a flower-like CdO/p-Si heterojunction diode have been investigated in the temperature range 80-400 K. The CdO thin film was deposited on p-type Si using the sol-gel spin coating method. The ... -
UV-spectral changes for some azo compounds in the presence of different solvents
(Elsevier Science BV, 2011)The electronic absorption spectra of four azo dyes with different substituents (such as Cl, I, OH) are determined at room temperature in twenty-one solvents with different polarities. The electronic transitions of azo dyes ... -
Estimation of ground and excited states dipole moments of alpha-hydroxy phenyl hydrazone derivatives: Experimental and quantum chemical methods
(Elsevier Science BV, 2014)The ground state (mu(g)) and excited state (mu(e)) dipole moments of the studied alpha-hydroxy phenylhydrazones are determined by using solvatochromism theory which is based on the variation of Stokes shift with solvent's ... -
Simultaneous depletion of immunoglobulin G and albumin from human plasma using novel monolithic cryogel columns
(Elsevier Science BV, 2013)In this study, we aimed to develop an alternative matrix able to deplete the albumin (Alb) and immunoglobulin G (IgG) from blood plasma simultaneously to prepare plasma samples for large-scale applications of blood-related ... -
Spectroscopic Determination of Acid Dissociation Constants of N-Substituted-6-acylbenzothiazolone Derivatives
(American Chemical Society, 2011)The acid dissociation constants of twelve novel drug precursor N-substituted-6-acylbenzothiazolone derivatives were determined by using the UV-vis spectroscopic technique. The protonation and deprotonation behaviors of the ... -
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 ... -
Study on the electronic and photophysical properties of the substitute-((2-phenoxybenzylidene)amino)phenol derivatives: Synthesis, solvatochromism, electric dipole moments and DFT calculations
(Elsevier Science BV, 2017)In this study, new substitute-((2-phenoxybenzylidene)amino)phenol derivatives were synthesized and characterized by elemental analysis, H-1 NMR,C-13 NMR and FT-IR spectra. The absorption and fluorescence spectra of the ... -
Electronic structure and optical properties of Schiff base hydrazone derivatives by solution technique for optoelectronic devices: Synthesis, experiment and quantum chemical investigation
(Elsevier Science BV, 2019)In this study, electronic, optical and spectroscopic FT-IR, UV properties of new synthesized Schiff base hydrazone derivatives, 1-(4-nitrophenyl)-2-(4-phenoxybenzylidene)hydrazone and 1-(2,4-dinitropheny1)-2-(4-phenoxybe ... -
A study on solvatochromism of some monoazo dye derivatives
(Elsevier Science BV, 2013)The UV-vis and fluorescence spectra of four monoazo dye derivatives were investigated in the solvents with different polarities. Characterization of UV-vis electronic bands is specified by calculating charge transfer energy ... -
Studies on solvatochromic behavior of some monoazo derivatives using electronic absorption spectra
(Pergamon-Elsevier Science LTD, 2009)The electronic absorption spectra of 2',4'-dihydroxy-2-methoxyazobenzene and 4,2',4'-trihydroxyazobenzene molecules have been investigated in solvents with different polarities. The solvent dependent UV-vis spectral shifts, ... -
Acidity constant determination of novel drug precursor benzothiazolon derivatives including acyl and piperazine moieties
(Pergamon-Elsevier Science LTD, 2013)In this study, protonation and deprotonation behaviors of eight new drug precursor benzothiazolon derivatives in all of acidic and basic scale (super acidic, pH, super basic regions) are analyzed by using UV-visible ... -
Solvatochromic effect studies on the absorption spectra of 4-((2-ethylphenyl)diazenyl)benzene-1,3-diol and 2-((2-ethylphenyl)diazenyl)benzene-1,3,5-triol molecules
(Pergamon-Elsevier Science LTD, 2009)The electronic absorption spectra of 4-((2-ethylphenyl)diazenyl)benzene-1,3-diol and 2((2-ethylphenyl)diazenyl)benzene-1,3,5-triol molecules in the nine different solvent variable electronic characters have been recorded. ... -
The electronic structure, solvatochromism, and electric dipole moments of new Schiff base derivatives using absorbance and fluorescence spectra
(Springer/Plenum Publishers, 2019)The electronic structure and electronic transitions of four new mono Schiff base derivatives are interpreted by using absorption and fluorescence spectra including 28 different solution medium. Electrical dipole moments ... -
Synthesis and theoretical study of bis(fluoroisatinato)mercury(II)
(Elsevier Science BV, 2009)Bis(fluoroisatinato)mercury(II) was synthesised from the reaction between 5-fluoroisatin (HFI) and mercury(II) acetate in methanol. Mercury(II) coordination with nitrogen atom of 5-fluoroisatin molecule was observed using ...
