Vapour growth, morphology, absolute structure and pyroelectric coefficient of meta-nitroaniline single crystals
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The M2 protein of influenza A virus performs the crucial function of transporting protons to the interior of virions enclosed in the endosome. Adamantane drugs, amantadine (AMN) and rimantidine (RMN), block the proton conduction in some strains, and have b ...
Piezoelectric materials are used in a wide range of applications, with lead zirconate titanate (PZT) ceramics being the dominant family of materials, due to high piezoelectric coefficients, dielectric permittivity and coupling factors. The high properties ...
Strontium barium niobate (SrxBa1-xNb2O6, shortly SBN) is a solid solution system with tetragonal tungsten bronze crystal structure. It exhibits a ferroelectric phase with only one polar axis and a transition temperature depending on the Sr/Ba ratio. This t ...
Relaxor-ferroelectric single crystals PZN-xPT [(1-x)Pb(Zn1/3Nb2/3)O3-xPbTiO3] and PMN-xPT [(1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO3] continue to attract much interest due to their anomalously large piezoelectric properties (d33 > 2000 pm/V; k33 > 90%) when poled ("do ...
The mass sensitivity of an AlN thin film resonators operated in air at 6-8 GHz has been investigated in theory and experiment. The 30 x 30 mu m wide resonators included a 180-300 nm thick, highly oriented AlN thin film, bottom and top electrode, and an aco ...
1,1-Bi(endo,exo,syn-pentacyclo[3.3.3.02,4.06,8.09,11]undecyl)[1,1-bi(trishomobarrelenyl)] (4) has been prepared as a 1:1 mixture of its meso- and d,l-diastereomers in six steps from trishomobarrelene 1 via the amine 5, the N,N-bis(trishomobarrelenyl)sulfam ...
The water-soluble iridium(III) complexes [CpIr(PTA)Cl2] (1) and [CpIr(PTA)2Cl]Cl (2) (PTA = 1,3,5-triaza-7-phosphaadamantane) have been synthesised and characterised by spectroscopy and X-ray crystallography. The complexes were evaluated as catalyst prec ...
We investigated he effect of film orientation on piezoelectric and ferroelectric properties of (Bi(3.25)Ln(0.75))Ti3O12 (Ln=La, Nd, and Sm). c-axis-oriented films were grown on (111)Pt electrodes with nondoped Bi4Ti3O12 buffer layers. The films grown on (1 ...
The pyroelectric coefficients of 0.72Pb(Mg1/3Nb2/3)O-3-0.28PbTiO(3) (PMN-28PT), 0.67Pb(Mg1/3Nb2/3)O-3-0.33PbTiO(3) (PMN-33PT), and 0.92 Pb(Zn1/3Nb2/3)O-3-0.08PbTiO(3) (PZN-8PT) single crystals, oriented and poled along three different crystallographic dire ...
Using Landau-Ginzburg-Devonshire theory and tetragonal BaTiO3 as an example, this letter demonstrates that strong electric bias fields applied antiparallel to spontaneous polarization may lead to a large enhancement of piezoelectric properties in monodomai ...