Başlık için Makale Koleksiyonu listeleme
Toplam kayıt 286, listelenen: 166-185
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Nanoscopic characterization of two-dimensional (2D) boron nitride nanosheets (BNNSs) produced by microfluidization
(Elsevier Sci LTD, 2012)A microfluidizer high pressure fluid processor is successfully conducted for the first time to exfoliate few layer two dimensional (2D) boron nitride nanosheets (BNNSs) from micro-sized hexagonal boron nitride (h-BN) ... -
Near-Unity Efficiency Energy Transfer from Colloidal Semiconductor Quantum Wells of CdSe/CdS Nanoplatelets to a Monolayer of MoS2
(American Chemical Society, 2018)A hybrid structure of the quasi-2D colloidal semiconductor quantum wells assembled with a single layer of 2D transition metal dichalcogenides offers the possibility of highly strong dipole-to-dipole coupling, which may ... -
A novel approach for preparing electrically conductive alpha/beta SiAlON-TiN composites by spark plasma sintering
(Ceramic Soc Japan-Nippon Seramikkusu Kyokai, 2008)An effective approach for preparing electrically conductive SiAlON-TiN composites have been developed. Granules of a designed composition of alpha-beta SiAlON were obtained by spray drying and coated with varying amounts ... -
A novel approach for synthesis of monticellite based bioactive ceramic powders from boron derivative waste
(Elsevier Science BV, 2017)Monticellite bioactive ceramics have a high usage potential as bone graft substitutes due to their superior mechanical properties compared to hydroxyapatite and excellent bioactivity. Turkey has almost 72% of the global ... -
A novel approach on the synthesis of beta-SiAlON:Eu2+ phosphors from kaolin through carbothermal reduction and nitridation (CRN) route
(Taylor & Francis LTD, 2014)Doping beta-SiAlON crystal structure with rare earths leads to a superior tuneable luminescence properties for light emitting diodes (LEDs). However, the widely used conventional methods require high purity starting powders ... -
Novel electrically conductive alpha-beta SiAlON/TiCN composites
(Elsevier Sci LTD, 2011)Electrically conductive alpha-beta SiAlON/TiCN composites were produced in the form of a segregated network in a ceramic matrix structure. A continuous 3D network of conductive TiCN particles was successfully achieved by ... -
Optimization of the Corrosion Behavior of Mullite Refractories Against Alkali Vapor Via Zrsio4 Addition to the Binder Phase
(University Chemistry & Technology, Prague, 2009)Effect of ZrSiO4 addition to the binder matrix of the reaction sintered mullite refractories on the alkali corrosion (Na2CO3, at 1370 degrees C) behaviour was investigated. Important improvements on the corrosion behaviour ... -
Optimizing mechanical quality factor of cymbal transducer
(Taylor & Francis LTD, 2006)In general, high mechanical quality factor 'Q(m),' which is the indication of low loss, is a desired property for transducers. However, low Q(m) and wide bandwidth are desired properties for underwater transducer. Therefore, ... -
Organized growth of carbon nanotubes on Fe-doped alumina ceramic substrates
(Pergamon-Elsevier Science LTD, 2012)Polycrystalline Fe-doped alumina (Al2O3) ceramics have been produced and used as a substrate for organized carbon nanotubes (CNTs) growth by catalytic chemical vapor deposition (CCVD). In these substrates, Fe3+ cations, ... -
Oxidation behavior of electrically conductive alpha/beta SiAlON composites with segregated network of TiCN
(Elsevier Sci LTD, 2012)The oxidation behavior of novel electrically conductive alpha/beta SiAlON composites with a continuous network of 2.5-10 vol% TiCN particulates was investigated. Composites, produced by coating spray dried granules with ... -
Oxidation behaviour and kinetics of alpha-SiAlON ceramics
(Taylor & Francis LTD, 2009)In this study, the oxidation behaviours of Y, Sin and Y/Sm doped alpha-SiAlON ceramics are investigated to examine the oxidation kinetics. The oxidation tests are carried out at 1300-1450 degrees C for different holding ... -
Photocatalytic studies of Ag/ZnO nanocomposite particles produced via ultrasonic spray pyrolysis method
(Elsevier Science Sa, 2014)Noble metal/semiconductor oxide nanocomposites have considerable interest on degradation of pollutants from textile wastewaters. Ag/ZnO, as one of the noble metal/semiconductor oxide nanocomposite, is highly efficient ... -
Polarization insensitive single mode Al2O3 rib waveguide design for applications in active and passive optical waveguides
(Springeropen, 2015)Both passive and active, single mode, wavelength and polarization insensitive design of Al2O3 rib waveguides on SiO2 substrate is reported. Influence of the waveguide height, etch depth, waveguide width and operation ... -
Polarized emission from CsPbBr3 nanowire embedded-electrospun PU fibers
(IOP Publishing LTD, 2018)Interest in all-inorganic halide perovskites has been increasing dramatically due to their high quantum yield, band gap tunability, and ease of fabrication in compositional and geometric diversity. In this study, we ... -
Possible use of trachyte as a flux in floor tile production
(Techna Srl, 2006)The possible use of trachyte as an alternative fluxing agent in a commercial floor tile body was investigated. The experiments were carried out two parts: In the first part, standard tests were applied to the products ... -
Preparation and characterization of photochromic effect for ceramic tiles
(Soc Espanola Ceramica Vidrio, 2011)Ceramic tile industry is developing due to the technological researches in scientific area and new tiles which are not only a traditional ceramic also have many multiple functionalities have been marketed nowadays. These ... -
Preparation of nanosized tin oxide (SnO2) powder by homogeneous precipitation
(Elsevier Sci LTD, 2007)Synthesis of nanosized SnO2 ceramic particles via homogeneous precipitation was investigated as a function of processing parameters such as initial concentration and calcination temperature. Hydrous tin oxide was precipitated ... -
Pressure dependence of cymbal transducers
(IEEE-Inst Electrical Electronics Engineers Inc, 2007)The hydrostatic pressure limit that a receiver can withstand without failure is of major importance in underwater sonar systems. In this paper, the hydrostatic pressure tolerance and sensitivity of cymbal receivers were ... -
Pressure limitations of miniature hollow sphere hydrophones
(Taylor & Francis LTD, 2005)Ultrasonic probes that can withstand high pressures and temperatures are needed for deep oil wells, underwater sonar systems, the processing of chemicals, and as automotive actuators. Pressure limits of hollow spherical ... -
Pressureless melt infiltrated non-oxide ceramic-metal composites
(2009)In the present study highly dense (open porosity > 1 %), light-weight (d ? 2.85 g/cm3) and Al4C3-free non-oxide ceramic-metal composites were produced at comparatively low temperatures (? 1250°C) by pressurless melt ...