Shear modulated percolation in carbon nanotube composites

Article Abstract:

A novel time-dependent percolation transition is observed in sheared carbon nanotube (CNT) composites. Microstructures characterization shows that the CNTs have aligned along the shear flow direction, which leads to the dramatic increase of the percolation threshold and thereby the dramatic decreases of the electrical conductivities.

Nanotubes, Percolation, Percolation (Hydrology)

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Conductivity spectra of polyphosphazene-based polyelectrolyte multilayers

Article Abstract:

A model polyphosphazene-based polycation and polyanion is used as a building block for polyelectrolyte multilayers (PEM). The linear dependence on relative humidity is attributed to variations of the ion mobility with water content, as the water content itself is not dependent on humidity.

Thermal properties, Humidity, Mechanical properties, Phosphazo compounds, Polyphosphazenes

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Role of the intracellular cavity in potassium channel conductivity

Article Abstract:

The significance of the intracellular cavity in the facilitation of potassium channel conductivity is discussed.

Observations, Electric properties, Potassium channels, Crystallography, Electrostatic interactions

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