نتایج جستجو برای: temperature coefficient
تعداد نتایج: 606970 فیلتر نتایج به سال:
Spectrally resolved photoluminescence is used to measure the band-to-band absorption coefficient α(BB)(ℏω) of organic-inorganic hybrid perovskite methylammonium lead iodide (CH₃NH₃PbI₃) films from 675 to 1400 nm. Unlike other methods used to extract the absorption coefficient, photoluminescence is only affected by band-to-band absorption and is capable of detecting absorption events at very low...
We investigate the effects of temperature on complexity features of chaotic electrochemical oscillations using the anodic electrodissolution of nickel in sulfuric acid. The precision of the "period" of chaotic oscillation is characterized by phase diffusion coefficient (D). It is shown that reduced phase diffusion coefficient (D/frequency) exhibits Arrhenius-type dependency on temperature with ...
Self-diffusion coefficient tensors of a reentrant liquid crystal CBOBP were measured in the high and low temperature SA phases. In the high temperature SA phase, the diffusion coefficient component D// is larger than D⊥. The two activation energies are similar. This property resembles that of the nematic phase, and indicates that the layer structure of the high temperature SA phase is disordere...
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