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원자제어 저차원 전자계 연구단
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Nanoscale superconducting honeycomb charge order in IrTe2

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Title
Nanoscale superconducting honeycomb charge order in IrTe2
Author(s)
Hyo Sung Kim; Kim S.; Kim K.; Min B.I.; Cho Y.-H.; Wang L.; Cheong S.-W.; Han Woong Yeom
Publication Date
2016-07
Journal
NANO LETTERS, v.16, no.7, pp.4260 - 4265
Publisher
AMER CHEMICAL SOC
Abstract
Entanglement of charge orderings and other electronic orders such as superconductivity is in the core of challenging physics issues of complex materials including high temperature superconductivity. Here, we report on the observation of a unique nanometer scale honeycomb charge ordering of the cleaved IrTe2 surface, which hosts a superconducting state. IrTe2 was recently established to exhibit an intriguing cascade of stripe charge orders. The stripe phases coexist with a hexagonal phase, which is formed locally and falls into a superconducting state below 3 K. The atomic and electronic structures of the honeycomb and hexagon pattern of this phase are consistent with the charge order nature, but the superconductivity does not survive on neighboring stripe charge order domains. The present work provides an intriguing physics issue and a new direction of functionalization for two-dimensional materials. © 2016 American Chemical Society
URI
https://pr.ibs.re.kr/handle/8788114/2893
ISSN
1530-6984
Appears in Collections:
Center for Artificial Low Dimensional Electronic Systems(원자제어 저차원 전자계 연구단) > Journal Papers (저널논문)
Files in This Item:
20160525Nano letters_단장(교신)_Nanoscale superconducting honeycomb charge order in IrTe2.pdfDownload

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