Free-electron creation at the 60° twin boundary in Bi2Te3

Kwang-Chon Kim; Joohwi Lee; Byung Kyu Kim; Won Young Choi; Hye Jung Chang; Sung Ok Won; Beomjin Kwon; Seong Keun Kim; Dow-Bin Hyun; Hyun Jae Kim; Hyun Cheol Koo; Jung-Hae Choi; Dong-Ik Kim; Jin-Sang Kim; Seung-Hyub Baek

doi:10.1038/ncomms12449

Nature Communications (Aug 2016)

Free-electron creation at the 60° twin boundary in Bi2Te3

Kwang-Chon Kim,
Joohwi Lee,
Byung Kyu Kim,
Won Young Choi,
Hye Jung Chang,
Sung Ok Won,
Beomjin Kwon,
Seong Keun Kim,
Dow-Bin Hyun,
Hyun Jae Kim,
Hyun Cheol Koo,
Jung-Hae Choi,
Dong-Ik Kim,
Jin-Sang Kim,
Seung-Hyub Baek

Affiliations

Kwang-Chon Kim: Center for Electronic Materials, Korea Institute of Science and Technology
Joohwi Lee: Department of Materials Science and Engineering, Kyoto University
Byung Kyu Kim: High Temperature Energy Materials Research Center, Korea Institute of Science and Technology
Won Young Choi: KU-KIST Graduate School of Converging Science and Technology, Korea University
Hye Jung Chang: Advanced Analysis Center, Korea Institute of Science and Technology
Sung Ok Won: Advanced Analysis Center, Korea Institute of Science and Technology
Beomjin Kwon: Center for Electronic Materials, Korea Institute of Science and Technology
Seong Keun Kim: Center for Electronic Materials, Korea Institute of Science and Technology
Dow-Bin Hyun: Center for Electronic Materials, Korea Institute of Science and Technology
Hyun Jae Kim: School of Electrical and Electronic Engineering, Yonsei University
Hyun Cheol Koo: KU-KIST Graduate School of Converging Science and Technology, Korea University
Jung-Hae Choi: Center for Electronic Materials, Korea Institute of Science and Technology
Dong-Ik Kim: High Temperature Energy Materials Research Center, Korea Institute of Science and Technology
Jin-Sang Kim: Center for Electronic Materials, Korea Institute of Science and Technology
Seung-Hyub Baek: Center for Electronic Materials, Korea Institute of Science and Technology

DOI: https://doi.org/10.1038/ncomms12449
Journal volume & issue: Vol. 7, no. 1
pp. 1 – 6

Abstract

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Grain boundaries in polycrystalline materials may offer the opportunity to explore physical phenomena that do not normally occur within the crystal grains. Here, the authors show that twin boundaries in Bi2Te3works as an electron supply for the whole bulk material.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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