Boron Sheets and Boron Nanotubes
نویسندگان
چکیده
Based on an ab initio study, we present a structure model for a broad boron sheet, which is the precursor of boron nanotubes. Furthermore we could show that, in contrast to the armchair types, zigzag boron nanotubes have no surface tension (strain energy). As result, we predict that boron nanotubes will exhibit a chirality dependent stability, something that is unique among all nanotubular materials known so far, and we hypothesize that zigzag boron nanotubes do not exist.
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