Freezing of crankshaft motion of trans-stilbene molecule in charge-transfer complexes, STB-TCNQ and STB-TCNQF4

Article Abstract:

In the investigation, it is shows the results of precise calirometry on STB-TCNQ and STB- (TCNQ) F4 are described in full detail. It shows that the magnitude pf the stepped increase in heat capacity and the glass-transition temperature implies the consistency between the presence of the glass-transition and the previous structural results.

Electric properties, Chemistry, Physical and theoretical, Physical chemistry, Charge transfer, Superconductors, Organic conductors

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Thermodynamic study of phase transitions in lyotropic systems: Adiabatic calorimetry on nonionic surfactant C16E8-water system

Article Abstract:

Precise heat capacity measurements are reported on the lyotropic liquid crystals formed in the C16E8-water binary system utilizing adiabatic calorimetry. The results suggest that the higher order structure in the liquid crystalline phases in these systems be mainly constructed by surfactant molecules with a fixed amount of water.

Electronic components, not elsewhere classified, Other Electronic Component Manufacturing, Liquid Crystals, Methods

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Thermodynamic study of phase transitions in lyotropic liquid crystals: adiabatic calorimetry on nonionic surfactant C(sub 12)E(sub 6)-water system

Article Abstract:

The heat capacities of the binary system consisting of the nonionic surfactant C(sub 12)E(sub 6) and water and that of neat C(sub 12)E(sub 6) were precisely measured as a function of temperature by adiabatic calorimetry. The enthalpy and entropy of transitions were determined for all transitions observed.

Surface active agents, Surface Active Agent Manufacturing, Nonionic Surfactants, Analysis, Observations, Spectra, Thermodynamics, Chemical properties

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