Kurum Yazarı "Suvacı, Ender" WoS İndeksli Yayınlar Koleksiyonu İçin Listeleme
-
Amorphous Films of Ternary Zinc and Tin Oxides for Transparent Electronics
Rembeza, S. I.; Belousov, S. A.; Kosheleva, N. N.; Rembeza, E. S.; Svistova, T. V.; Suvacı, Ender; Açıksarı, C. (Maik Nauka/Interperiodica/Springer, 2018)Amorphous films of two varieties of zinc stannate (ZnSnO3 and Zn2SnO4) have been considered that were fabricated by radio-frequency sputtering of ceramic compound targets containing ZnO and SnO2 in 1: 1 and 2: 1 ratios. ... -
Anisotropic mechanical and functional properties of graphene-based alumina matrix nanocomposites
Çelik, Yasemin; Çelik, A.; Flahaut, Emmanuel; Suvacı, Ender (Elsevier Sci LTD, 2016)Graphene platelets (GPLs) containing Al2O3 nanocomposites, which exhibit anisotropic microstructure, have been prepared by spark plasma sintering (SPS), and effects of this anisotropy on mechanical, electrical and thermal ... -
Anisotropic sintering shrinkage in alumina ceramics containing oriented platelets
Özer, I. Ozgür; Suvacı, Ender; Karademir, B.; Missiaen, J. M.; Carry, C. P.; Bouvard, D. (Wiley, 2006)The effect of oriented alpha-Al2O3 platelets on densification and shrinkage behavior of tape-cast alpha-Al2O3 during solid-state sintering was studied using dilatometric sintering shrinkage experiments and microstructural ... -
Antimicrobial activity of designed undoped and doped MicNo-ZnO particles
Demirel, Rasime; Suvacı, Ender; Şahin, İsmail; Dağ, Sevinc; Kılıç, Volkan (Elsevier Science BV, 2018)The research objective of the present study was to evaluate antimicrobial activity of ZnO powder systems in different size, shape and array platelet forms with undoped and doped Ag at different concentrations. In particular, ... -
Application of Homogeneously Precipitated Nanosized Fe-Doped Alumina Powders to Carbon Nanotube Growth
Çelik, Yasemin; Suvacı, Ender; Flahaut, Emmanuel; Weibel, Alicia; Peigney, Alain (Wiley, 2010)Homogeneous precipitation of hydroxides was investigated as an alternative method to synthesize Fe-doped aluminum oxide (alpha-Al2-2xFe2xO3) particles over which carbon nanotubes (CNTs) were grown via a catalytic chemical ... -
Biocompatibility of designed MicNo-ZnO particles: Cytotoxicity, genotoxicity and phototoxicity in human skin keratinocyte cells
Genç, Hatice; Barutca, Banu; Koparal, Ayşe Tansu; Özogut, Uğurcan; Şahin, Yücel; Suvacı, Ender (Pergamon-Elsevier Science LTD, 2018)Recently, designed platelet shaped micron particles that are composed of nano primary particles, called MicNo (= Micron + naNo) particles, have been developed to exploit the benefits of nano size, while removing the adverse ... -
Chemical stability of KNbO3, NaNbO3, and K0.5Na0.5NbO3 in aqueous medium
Özmen, Özcan; Özsoy-Keskinbora, Çiğdem; Suvacı, Ender (Wiley, 2018)In recent years, potassium sodium niobate (K0.5Na0.5NbO3, KNN) has become popular and promising among perovskite lead-free piezoceramic systems. In this study, the chemical stability of KNN powders in aqueous medium was ... -
A comparative study on few-layer graphene production by exfoliation of different starting materials in a low boiling point solvent
Çelik, Yasemin; Flahaut, Emmanuel; Suvacı, Ender (Elsevier Science BV, 2017)Three different graphite-based powders (expandable graphite and two different nano-graphite powders) were investigated as starting materials for an effective liquid phase exfoliation process in isopropyl alcohol (IPA). The ... -
Computational analysis on cymbal transducer
Özgür, AE; Doğan, A; Suvacı, Ender; Newnham, RE (Taylor & Francis Inc, 2003)Finite Element Analysis in collaboration with experimental studies was conducted to investigate the effects of dimensional parameters on the performance of the cymbal transducer. ANSYS 5.5 FEM code was used for computational ... -
Critical factors in the templated grain growth of textured reaction-bonded alumina
Suvacı, Ender; Messing, GL (Wiley-Blackwell, 2000)The Templated Grain Growth (TGG) of Al2O3 occurs in three stages: densification, radial growth of individual template grains until template impingement, and template grain thickening. Significant template growth occurs ... -
Deaging of heat-treated iron-doped lead zirconate titanate ceramics
Granzow, T.; Suvacı, Ender; Kungl, H.; Hoffmann, M. J. (Amer Inst Physics, 2006)Doping strongly influences the properties of ferroelectric perovskite materials. One striking difference between donor- and acceptor-doped materials is the transition from "soft" to "hard" ferroelectric behavior. The ... -
Dopant effects on sintering and microstructure development in zinc oxide-based electroceramics
Özdemir, N; Suvacı, Ender (Trans Tech Publications LTD, 2004)In this study, effects of dopants including Bi2O3, Ta2O5, Sb2O3 on sintering and microstructure development in ZnO-based electroceramics were investigated. Bi2O3 addition to ZnO enhances the densification process and results ... -
Effects of TiO2, ZnO, and Fe3O4 nanofillers on rheological behavior, microstructure, and reaction kinetics of rigid polyurethane foams
Akkoyun, Meral; Suvacı, Ender (Wiley, 2016)Effects of different types and shapes of titanium dioxide, zinc oxide, and magnetite nanofillers on the rheological behavior of polyol/nanofiller suspensions, on the rigid polyurethane foam formation reaction, and hence ... -
Electrophoretic deposition of nano-sized BaTiO3
Doğan, Aydın; Günkaya, Göktuğ; Suvacı, Ender; Niederberger, Markus (Springer, 2006)In this study, a non-aqueous method in a simple one pot reaction process was employed to synthesize nano-sized BaTiO3 particles and then electrophoretic deposition technique was employed for thin film coatings. In the first ... -
Electrophoretic deposition of nanocrystalline BaTiO3 in ethanol medium
Doğan, Aydın; Günkaya, Göktuğ; Suvacı, Ender; Niederberger, Markus (Trans Tech Publications LTD, 2006)Electrophoretic deposition technique is a versatile coating method. With this method not only flat surfaces but also curved or rough surfaces can be coated in various thicknesses. In this study, BaTiO3 nanocrystals were ... -
Electrophoretic deposition of ZnO
Doğan, Aydın; Suvacı, Ender; Günkaya, Göktuğ; Uzgur, Erman (Trans Tech Publications LTD, 2004)Electrophoretic phonemenon is applied in different parts of science. Electrophoretic Deposition (EPD) is effective, fast and controllable process for obtaining various thin or thick film layers. In this study application ... -
Electrophoretic deposition of ZnO thin film in aqueous media
Doğan, Aydın; Suvacı, Ender; Günkaya, Göktuğ; Uzgur, Erman (Springer, 2004)In thin films, controlled porous structures are desired for certain ceramic gas sensors. The aim of this study was to fabricate ZnO coated substrates starting with aqueous suspensions with electrophoretic deposition ... -
Fabrication of functionally graded SiAlON ceramics by tape casting
Açıkbaş, N. Çalış; Suvacı, Ender; Mandal, Hasan (Blackwell Publishing, 2006)Functionally graded SiAlON ceramics (FG-SiAlONs) were successfully prepared by the tape casting and lamination approach. Non-aqueous SiAlON slurries with five different alpha to beta-SiAlON ratios (85 alpha:15 beta, 70 ... -
Formation mechanisms and morphological changes during the hydrothermal synthesis of BaTiO3 particles from a chemically modified, amorphous titanium (hydrous) oxide precursor
Moon, J; Suvacı, Ender; Morrone, A; Costantino, SA; Adair, JH (Elsevier Sci LTD, 2003)The formation mechanism of BaTiO3 under hydrothermal conditions was investigated. A coprecipitated precursor prepared from chemically modified titanium isopropoxide with acetylacetone and barium acetate was used as a ... -
Hybrid processing and anisotropic sintering shrinkage in textured ZnO ceramics
Keskinbora, Kahraman; Suzuki, Tohru S.; Özer, I. Özgür; Sakka, Yoshio; Suvacı, Ender (Natl Inst Materials Science, 2010)We have studied the combined effects of the templated grain growth and magnetic alignment processes on sintering, anisotropic sintering shrinkage, microstructure development and texture in ZnO ceramics. Suspensions of 0-10 ...