Influences of Structure Disorder and Temperature on Properties of Proton Conductivity in Hydrogen-Bond Molecular Systems |
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Authors: | PANG Xiao-Feng YU Jia-Feng |
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Affiliation: | 1. Institute of Life Science and Technology, University of Electronic Science and Technology, Chengdu 610054, China;2. International Centre for Materials Physics, the Chinese Academy of Sciences, Shenyang 110015, China |
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Abstract: | The dynamic properties of proton conductivity along hydrogen-bondedmolecular systems, for example, ice crystal, with structure disorder ordamping and finite temperatures exposed in an externally appliedelectric-field have been numerically studied by Runge-Kutta way in oursoliton model. The results obtained show that the proton-soliton is veryrobust against the structure disorder including the fluctuation of the forceconstant and disorder in the sequence of masses and thermal perturbation anddamping of medium, the velocity of its conductivity increases withincreasing of the externally applied electric-field and decreasing of thedamping coefficient of medium, but the proton-soliton disperses for quitegreat fluctuation of the force constant and damping coefficient. In thenumerical simulation we find that the proton-soliton in our model isthermally stable in a large region of temperature of T≤273 K underinfluences of damping and externally applied electric-field in ice crystal.This shows that our model is available and appropriate to ice. |
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Keywords: | proton conductivity structure disorder temperature hydrogen bonded system |
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