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The AC conductivity, σ(ω,T), of the 4-tricyanovinyl-N,N-diethylaniline (TCVA) in pellets have been studied as a function of frequency and temperature. Analysis of σ(ω,T) shows an excellent agreement of scaling behavior based on the universal power law model. The behavior of σ(ω,T) reveals that the correlated barrier hopping (CBH) model is the predominant conduction mechanism in the bulk TCVA semiconductor...
The frequency and temperature dependence of AC conductivity, dielectric constant and dielectric loss of p-quaterphenyl in pellet form were investigated in the frequency range of 200Hz–2.4MHz and temperature range of 301–423K. The X-ray diffraction of p-quaterphenyl at room temperature shows monoclinic structure. The unit cell parameters and the values of Miller indices hkl and lattice spacing dhkl...
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