Journal of Physical Chemistry Letters, volume 12, issue 17, pages 4180-4186
Magnetic Gap of Fe-Doped BiSbTe2Se Bulk Single Crystals Detected by Tunneling Spectroscopy and Gate-Controlled Transports
Yano Rikizo
1, 2
,
Tsuda Taiki
2
,
Kashiwaya Hiromi
5
,
Sasagawa Toru
4
,
Golubov Alexander A.
3, 6
,
Stolyarov V. S.
3, 7
,
KASHIWAYA Satoshi
2
1
Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya 464-8603, Japan
|
2
Applied Physics, Nagoya University, Nagoya 464-8603, Japan
|
4
5
National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8568, Japan
|
6
Faculty of Science and Technology and MESA+ Institute of Nanotechnology, Enschede 7500 AE, The Netherlands
|
Publication type: Journal Article
Publication date: 2021-04-26
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 5.7
ISSN: 19487185
Physical and Theoretical Chemistry
General Materials Science
Abstract
Topological insulators with broken time-reversal symmetry and the Fermi level within the magnetic gap at the Dirac cone provides exotic topological magneto-electronic phenomena. Here, we introduce an improved magnetically doped topological insulator, Fe-doped BiSbTe2Se (Fe-BSTS) bulk single crystal, with an ideal Fermi level. Scanning tunneling microscopy and spectroscopy (STM/STS) measurements revealed that the surface state possesses a Dirac cone with the Dirac point just below the Fermi level by 12 meV. The normalized dI/dV spectra suggest a gap opening with Δmag ∼55 meV, resulting in the Fermi level within the opened gap. Ionic-liquid gated-transport measurements also support the Dirac point just below the Fermi level and the presence of the magnetic gap. The chemical potential of the surface state can be fully tuned by ionic-liquid gating, and thus the Fe-doped BSTS provides an ideal platform to investigate exotic quantum topological phenomena.
Citations by journals
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1
2
3
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Journal of Physical Chemistry Letters
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Journal of Physical Chemistry Letters
3 publications, 27.27%
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Physical Review B
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Physical Review B
3 publications, 27.27%
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Advanced Functional Materials
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Advanced Functional Materials
1 publication, 9.09%
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Nature Communications
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Nature Communications
1 publication, 9.09%
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Physical Chemistry Chemical Physics
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Physical Chemistry Chemical Physics
1 publication, 9.09%
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1
2
3
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Citations by publishers
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1
2
3
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American Chemical Society (ACS)
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American Chemical Society (ACS)
3 publications, 27.27%
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American Physical Society (APS)
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American Physical Society (APS)
3 publications, 27.27%
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Wiley
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Wiley
1 publication, 9.09%
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Springer Nature
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Springer Nature
1 publication, 9.09%
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
1 publication, 9.09%
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1
2
3
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Yano R. et al. Magnetic Gap of Fe-Doped BiSbTe2Se Bulk Single Crystals Detected by Tunneling Spectroscopy and Gate-Controlled Transports // Journal of Physical Chemistry Letters. 2021. Vol. 12. No. 17. pp. 4180-4186.
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Yano R., Kudriashov A., Hirose H. T., Tsuda T., Kashiwaya H., Sasagawa T., Golubov A. A., Stolyarov V. S., KASHIWAYA S. Magnetic Gap of Fe-Doped BiSbTe2Se Bulk Single Crystals Detected by Tunneling Spectroscopy and Gate-Controlled Transports // Journal of Physical Chemistry Letters. 2021. Vol. 12. No. 17. pp. 4180-4186.
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TY - JOUR
DO - 10.1021/acs.jpclett.1c00869
UR - https://doi.org/10.1021%2Facs.jpclett.1c00869
TI - Magnetic Gap of Fe-Doped BiSbTe2Se Bulk Single Crystals Detected by Tunneling Spectroscopy and Gate-Controlled Transports
T2 - Journal of Physical Chemistry Letters
AU - Tsuda, Taiki
AU - Kashiwaya, Hiromi
AU - Yano, Rikizo
AU - Kudriashov, Andrei
AU - Hirose, Hishiro T.
AU - Stolyarov, V. S.
AU - Sasagawa, Toru
AU - Golubov, Alexander A.
AU - KASHIWAYA, Satoshi
PY - 2021
DA - 2021/04/26 00:00:00
PB - American Chemical Society (ACS)
SP - 4180-4186
IS - 17
VL - 12
SN - 1948-7185
ER -
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@article{2021_Yano,
author = {Taiki Tsuda and Hiromi Kashiwaya and Rikizo Yano and Andrei Kudriashov and Hishiro T. Hirose and V. S. Stolyarov and Toru Sasagawa and Alexander A. Golubov and Satoshi KASHIWAYA},
title = {Magnetic Gap of Fe-Doped BiSbTe2Se Bulk Single Crystals Detected by Tunneling Spectroscopy and Gate-Controlled Transports},
journal = {Journal of Physical Chemistry Letters},
year = {2021},
volume = {12},
publisher = {American Chemical Society (ACS)},
month = {apr},
url = {https://doi.org/10.1021%2Facs.jpclett.1c00869},
number = {17},
pages = {4180--4186},
doi = {10.1021/acs.jpclett.1c00869}
}
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MLA
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Yano, Rikizo, et al. “Magnetic Gap of Fe-Doped BiSbTe2Se Bulk Single Crystals Detected by Tunneling Spectroscopy and Gate-Controlled Transports.” Journal of Physical Chemistry Letters, vol. 12, no. 17, Apr. 2021, pp. 4180-4186. https://doi.org/10.1021%2Facs.jpclett.1c00869.