Yazar "Oktik, Şener" için listeleme
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Effect of thickness of liquid crystalline layer on the thermotropic and thermodynamical properties of nematic-isotropic liquid and istropic liquid-nematic phase transitions
Polat, Ömer; Nesrullajev, Arif; Oktik, Şener (World Scientific Publ Co Pte Ltd, 2006)In this work, effect of thickness of the liquid crystalline layer on the morphologic, thermotropic and thermodynamical properties of the nematic-isotropic liquid and isotropic liquid-nematic phase transitions in Shiff based ... -
Electrical measurements of Hg1 - xMnxTe films grown by metalorganic vapour phase epitaxy
Horsfall, A.B.; Oktik, Şener; Terry, I.; Brinkman, A.W. (Elsevier, 1996)Preliminary electrical measurements of mercury manganese telluride (MMT) films, grown by metalorganic vapour phase epitaxy (MOVPE), are reported. The epitaxial films were grown on insulating (100)GaAs substrates with a ... -
Investigation of temperature dependent dc current transport mechanism on Au/poly(4-vinyl phenol)/p-Si device
Kavasoğlu, Abdulkadir Sertap; Tozlu, Cem; Pakma, Osman; Kavasoğlu, Neşe; Özden, Şadan; Metin, Bengül; Oktik, Şener (Iop Publishing Ltd, 2009)In this study, temperature dependent current-voltage (I-V) measurements and investigation of the dc current transport mechanism of Au/poly(4-vinyl phenol)/p-Si device have been performed. While the series resistance value ... -
Magnetic measurements on HgMnTe epitaxial layers
Horsfall, A. B; Terry, I; Jackson, W. M; Brinkman, A. W; Oktik, Şener (Amer Inst Physics, 1997)Magnetization measurements have been performed on epitaxial layers of Hg1−xMnxTe (MMT) using an alternating gradient field magnetometer (AGFM). The layers, which have a Mn concentration in the range 0.05<x<0.20, and ... -
n -CdS/ p-Cu (In, Ga)Se2 heteroeklem güneş pilinde akım iletim mekanizmasının belirlenmesi
Bayhan, Habibe; Kavasoğlu, Sertap; Oktik, Şener (2001)Bu çalışmada Stuttgart Üniversitesi IPE laboratuarlarında hazırlanan ve emici tabakasını oluşturan materyallerin göreli ağırlık oranları; %22.26 Cu, %19.46 In,"%7.27 Ga ve %51.02 Se olan n-CdS/p-Cu(In,Ga)Se2 heteroeklem ... -
Observation of negative photoconductivity in (ZnO)(x)(CdO)(1-x) films
Kavasoglu, Neşe; Kavasoglu, A. Sertap; Oktik, Şener (Pergamon-Elsevier Science Ltd, 2009)In this study, (ZnO)(x)(CdO)(1-x) films were prepared by ultrasonic spray pyrolysis (USP) technique at a substrate temperature of 400 degrees C. X-ray diffraction patterns of the films indicate that the (ZnO)(x)(CdO)(1-x) ... -
Peculiarities of biphasic regions at phase transitions in oriented textures of 4-cyano-4 '-n-pentylbiphenyl
Nesrullajev, Arif; Avcı, Nejmettin; Oktik, Şener (Elsevier, 2007)Peculiarities of the biphasic regions at the direct and reverse phase transitions between homeotropic oriented nematic mesophase and isotropic liquid have been investigated in detail in this work. The shift of phase ... -
Phase states and thermomorphologic, thermotropic, and magnetomorphologic properties of lyotropic mesophases: Sodium lauryl sulphate-water-1-decanol liquid-crystalline system
Özden, Pınar; Nesrullajev, Arif; Oktik, Şener (Amer Physical Soc, 2010)Phase states in sodium lauryl sulphate-water-1-decanol lyotropic liquid-crystalline system have been investigated for different temperature ranges. The dependence of triangle phase diagram types, phase boundaries, and ... -
Properties of ZnO layers deposited by ''photo-assisted'' spray pyrolysis
Oktik, Şener; Russell, GJ; Brinkman, AW (Elsevier Science Bv, 1996)Layers of ZnO have been deposited onto glass substrates by ''photo-assisted'' spray pyrolysis using zinc chloride and zinc acetate as precursors in aqueous and non-aqueous solutions. The structure of these films has been ... -
Simulation for capacitance correction from Nyquist plot of complex impedance-voltage characteristics
Kavasoğlu, Abdulkadir Sertap; Kavasoğlu, Neşe; Oktik, Sener (Pergamon-Elsevier Science Ltd, 2008)The impression of series resistance on unipolar semiconductor device's capacitance-voltage spectrum is discussed by conventional impedance and admittance analysis, and it is shown that series resistance may cause large ...
