نتایج جستجو برای: crystal property

تعداد نتایج: 315363  

Journal: :Physical chemistry chemical physics : PCCP 2013
Chaolong Tang Chengming Jiang Wenqiang Lu Jinhui Song

We have systematically investigated the intrinsic electrical property of a single crystal zinc oxide (ZnO) micro/nanobelt (MB/NB) using a conductive atomic force microscopy (AFM) technique. By mounting one end of the MB/NB on a flat nonconductive silicon substrate, a platform for performing electrical property characterization using conductive current AFM is established. The quantitative charac...

2006
T. L. van Noorden I. S. Pop M. Röger

In this note we continue the analysis of the pore-scale model for crystal dissolution and precipitation in porous media proposed in [C. J. van Duijn and I. S. Pop, Crystal dissolution and precipitation in porous media: pore scale analysis, J. Reine Angew. Math. 577 (2004), 171–211]. There the existence of weak solutions was shown. We prove an L1-contraction property of the pore-scale model. As ...

2012
Mahesh Chand Sandhya Sharma Ravindra Kumar Sharma

We developed the theoretical and experimental method for chromatic dispersion of Borosilicate Crown microstructure optical fiber from scalar effective index method (SEIM) and TBC has been reported. To maintain the flat and zero dispersion in photonic crystal fiber (PCF) different air hole diameter has been introduced. Here we use Borosilicate Crown glass as a core material. A photonic crystal f...

Abstract: Two new transition metal complexes, containing the acidic ligand 5-chlorosalicylic acid (H2L5), and 1,10-phenanthroline(phen) and 1,3-Di(4-pyridyl)propane (bpp) as secondary ligands are reported. They are formulated as {[Pb(HL5)2(phen)(H2O)]·H2O}n(1), [Zn2(HL5)4(bpp)2]n(2). All the complexes are characterized by single-crystal X-ray diffractions. Compoud 1 crystallizes in the triclini...

2006
V.Yu. Reshetnyak S. M. Shelestiuk Taras Shevchenko

A key liquid crystalline property for electro-optic applications is the Frederiks threshold electric field. There has been recent experimental interest in liquid crystal-based colloidal suspensions in which the colloidal nanoparticles both possess a permanent electric polarization and provide strong director anchoring on the particle surface. Such suspensions are sometimes known as Filled Liqui...

2015
R. Arivuselvi A. Ruban Kumar

A semiorganic crystal of zinc thiosemicarbazide sulfate (ZTSCS) has been grown aqueous solution by slow evaporation technique at room temperature. The material was subjected to various characterization techniques such as UV-Visible, non linear optical test, photoluminescence study, elemental analysis and Fourier transform infrared (FTIR) techniques. Cut off wavelength and band gap of the grown ...

Sub-micrometer-sized CdS spheres were synthesized by hydrothermal and solvothermal reactions using Cd(NO3)2.4H2O and CH4N2S raw materials at a constant stoichiometric 1 : 2, Cd : S molar ratio. Various conditions such as solvent type (water and/or ethanol), reaction time and temperature were examined for the synthesis of the targets. The sy...

2009
Nate Schultheiss Ann Newman

This review article will highlight and discuss the advances made over the last 10 years pertaining to physical and chemical property improvements through pharmaceutical cocrystals and, hopefully, draw closer the fields of crystal engineering and pharmaceutical sciences.

Journal: :physical chemistry and electrochemistry 0

the crystal structure of the title schiff base complex is obtained by single-crystal x-ray diffraction data.the solid state structure determination reveals that the coordination geometry around the copper(ii) center istetrahedrally distorted square-planar. the crystal packing shows one dimensional infinite chains which arisesfrom the intermolecular interaction and stabilize the crystal packing.

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