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

Taehoo Chang, Jeongmin Kim, Min Jung Song, Wooyoung Lee

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

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.

Original languageEnglish
Article number057101
JournalAIP Advances
Volume5
Issue number5
DOIs
Publication statusPublished - 2015 May 1

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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