SCPA Study of Peierls Barrier for Ionic Defects in a Hydrogen-Bonded Chain
There are many hydrogen-bonded solid state systems consisting of one-dimensional chains like imidazole, acetanilide, hydroge halides, lithium hydrazinium sulfate and proteins across biomembranes.1 Many two- or three-dimensional systems can be regarded as a compound system of multiply linked one-dimensional H-bonded chains. This is the case with the Bernal-Fowler filaments in ice (to be discussed here),2 or the four helices in the polypeptide of bacteriorodopsin in Holobacterium Holobium.3 In most proposed mechanisms the existence and mobility of ionic or bonding defects, play a crucial role to explain electrical conductivity and dielectric response.
KeywordsSymmetrical State Centered Configuration Hydroge Halide Bonding Defect Ionic Defect
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