Proton irradiation effects on the thermoelectric properties in single-crystalline Bi nanowires | Zendy

Taehoo Chang | Zendy; Jeongmin Kim | Zendy; Min-Jung Song | Zendy; Wooyoung Lee | Zendy

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Proton irradiation effects on the thermoelectric properties in single-crystalline Bi nanowires

Author(s) -

Taehoo Chang,

Jeongmin Kim,

Min-Jung Song,

Wooyoung Lee

Publication year - 2015

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4919786

Subject(s) - nanowire , thermoelectric effect , seebeck coefficient , irradiation , materials science , proton , electrical resistivity and conductivity , thermoelectric materials , conductivity , condensed matter physics , optoelectronics , thermal conductivity , chemistry , composite material , nuclear physics , thermodynamics , physics , electrical engineering , engineering

The effects of proton irradiation on the thermoelectric properties of Bi nanowires (Bi-NWs) were investigated. Single crystalline Bi-NWs were grown by the on-film formation of nanowires method. The devices based on individual Bi-NWs were irradiated with protons at different energies. The total number of displaced atoms was estimated using the Kinchin-Pease displacement model. The electric conductivity and Seebeck coefficient in the Bi-NW devices were investigated before and after proton irradiation at different temperatures. Although the Seebeck coefficient remained stable at various irradiation energies, the electrical conductivity significantly declined with increasing proton energy up to 40 MeV

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