Switching of the natural nanostructure in Bi2Te3 materials by ion irradiation.

Aabdin, Zainul; Peranio, Nicola; Eibl, Oliver · Adv Mater · 2012

basic_science · Level V

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Abstract

In Bi(2)Te(3) materials the natural nanostructure (nns) with a wavelength of 10 nm can be reproducibly switched ON and OFF by Ar(+) ion irradiation at 1.5 and 1 keV. Controlled formation of the nns in Bi(2)Te(3) materials has potential for reducing its thermal conductivity and could increase the thermoelectric figure of merit.

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