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원자제어 저차원 전자계 연구단
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Thermoelectric properties of the stripe-charge ordering phases in IrTe2

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Title
Thermoelectric properties of the stripe-charge ordering phases in IrTe2
Author(s)
You, Jung Sang; Eom, Man Jin; Lee, Minhyea; Jo, Y. J.; Won, C. J.; Cheong, S-W; Kim, Kyoo; Kim, Jun Sung
Publication Date
2021-01
Journal
PHYSICAL REVIEW B, v.103, no.4
Publisher
AMER PHYSICAL SOC
Abstract
We investigate the effects of stripe-charge ordering on the thermoelectric power of IrTe2, together with other transport properties, including the resistivity, thermal conductivity, and Hall effect. At the stripe-charge ordering transitions, clear transport anomalies such as abrupt changes in the thermoelectric power and Hall effect are observed and attributed to multiband conduction due to stripe-order-driven Fermi surface (FS) reconstruction. This FS reconstruction depends sensitively on intralayer charge modulations and interlayer staircaselike arrangements, leading to complex sign changes in the thermoelectric power. These results are in good agreement with the Boltzmann transport calculations based on the reconstructed FS and confirm the strong impact of the stripe charge order on the intrinsic charge conduction in IrTe2.
URI
https://pr.ibs.re.kr/handle/8788114/9495
DOI
10.1103/PhysRevB.103.045102
ISSN
2469-9950
Appears in Collections:
Center for Artificial Low Dimensional Electronic Systems(원자제어 저차원 전자계 연구단) > 1. Journal Papers (저널논문)
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