Results 41 to 50 of about 5,729,346 (195)
Dielectric properties of bismuth titanate ceramics containing SiO2 and Nd2O3 as additives [PDF]
Processing and Application of Ceramics, 2012 Bismuth-titanate ceramics containing SiO2 and Nd2O3 as additives are synthesized by melt quenching method in the system Bi2O3-TiO2-Nd2O3-SiO2 in the temperature range of 1250–1500 °C. The phase composition of the obtained materials is determined by X-ray
Stanislav S. Slavov +4 more
doaj
Radiation losses in the microwave Ku band in magneto-electric nanocomposites
Beilstein Journal of Nanotechnology, 2015 A study on radiation losses in conducting polymer nanocomposites, namely La–Co-substituted barium hexaferrite and polyaniline, is presented. The study was performed by means of a vector network analyser, X-ray diffraction, Fourier transform infrared ...
Talwinder Kaur +3 more
doaj +1 more source
Electric and dielectric properties of (Ba0.6Pb0.4)TiO3 ceramics modified with special glass in the range of phase transition [PDF]
Processing and Application of Ceramics, 2018 Perovskite ceramics (Ba0.6Pb0.4)TiO3 modified with PbO-B2O3-Al2O3-WO3 special glass was prepared with the conventional mixed oxide method. X-ray diffraction analysis (XRD) of the obtained materials confirmed singlephase and pure tetragonal structure. The
Beata Wodecka-Duś +5 more
doaj +1 more source
Crystals, 2017 A 3D supramolecular network, [Cd(bipy)(C4O4)(H2O)2]·3H2O (1) (bipy = 4,4′-bipyridine and C4O42− = dianion of H2C4O4), constructed by mixed-ligand two-dimensional (2D) metal-organic frameworks (MOFs) has been reported and structurally determined by the ...
Chih-Chieh Wang +6 more
doaj +1 more source
Variable Bragg x-ray beam splitters
AIP AdvancesBeam splitters are utilized in a variety of advanced x-ray instruments and are essential for extending quantum optics techniques to x rays. A new fabrication method has produced thinned Bragg diffracting silicon devices with variable reflectivity and ...
L. T. Powers +2 more
doaj +1 more source
Surface Lattice Resonances in THz Metamaterials
Photonics, 2019 Diffraction of light in periodic structures is observed in a variety of systems including atoms, solid state crystals, plasmonic structures, metamaterials, and photonic crystals.
Thomas CaiWei Tan +2 more
doaj +1 more source
Nanoscale Research Letters, 2019 In this study, a surface diffraction two-dimensional (2D) grating structure was placed on the topmost layer of distributed Bragg reflectors (DBRs) for biosensing.
Daohan Ge +6 more
doaj +1 more source
Losses in plasmonics: from mitigating energy dissipation to embracing loss-enabled functionalities [PDF]
, 2017 Unlike conventional optics, plasmonics enables unrivalled concentration of optical energy well beyond the diffraction limit of light. However, a significant part of this energy is dissipated as heat.
S. Boriskina +9 more
semanticscholar +1 more source
Optical hyperlens: far-field imaging beyond the diffraction limit [PDF]
SPIE NanoScience + Engineering, 2006 We propose an approach to far-field optical imaging beyond the diffraction limit. The proposed system allows image magnification, is robust with respect to material losses and can be fabricated by adapting existing metamaterial technologies in a ...
Z. Jacob, L. Alekseyev, E. Narimanov
semanticscholar +1 more source
Advances in Civil Engineering, 2019 The weight losses of cement-based material samples were often used to characterize the content of their hydration products and explain the strength changes of cement-based materials. However, the quantitative relationship has not been studied between the
Bingwen Wang +5 more
doaj +1 more source