Open Access

npj Quantum Materials, volume 7, issue 1, publication number 7

Native point defects and their implications for the Dirac point gap at MnBi2Te4(0001)

Garnica Manuela ¹

Otrokov Mikhail M. ^{2, 3}

Aguilar P Casado ^{1, 4}

Klimovskikh Ilya I. ⁵

Estyunin Dmitry A. ⁵

Aliev Z S ^{6, 7}

Amiraslanov I R ^{7, 8}

Abdullayev N A ^{7, 8}

Zverev V. N. ⁹

Babanly M. B. ^{8, 10}

Mamedov N. T. ⁷

SHIKIN A. M. ⁵

Arnau A. ^{2, 11, 12}

Vazquez de Parga Amadeo L. ^{1, 4, 13, 14}

Chulkov E.V. ^{5, 11, 12, 15}

Miranda R. M. ^{1, 4, 13, 14}

Hide authors affiliations Show authors affiliations: 15 affiliations

Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA-nanociencia), Madrid, Spain |

Centro de Física de Materiales (CFM-MPC), Centro Mixto CSIC-UPV/EHU, Donostia-San Sebastián, Spain |

Ikerbasque, Basque foundation for Science, Bilbao, Spain |

⁴

Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid, Madrid, Spain |

⁵

Saint Petersburg State University, Saint Petersburg, Russia |

⁶

Azerbaijan State Oil and Industry University, Baku, Azerbaijan |

⁷

Institute of Physics, National Academy of Sciences of Azerbaijan, Baku, Azerbaijan |

⁸

Baku state University, Baku, Azerbaijan |

⁹

Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, RUSSIA |

¹⁰

Institute of Catalysis and Inorganic Chemistry, Azerbaijan National Academy of Science, Baku, Azerbaijan |

¹¹

Departamento de Polímeros y Materiales Avanzados: Física, Química y Tecnología, Facultad de Ciencias Químicas, Universidad del País Vasco UPV/EHU, Donostia-San Sebastián, Spain |

¹²

Donostia International Physics Center (DIPC), Donostia-San Sebastián, Spain |

¹³

Condensed Matter Physics Center (IFIMAC), Universidad Autónoma de Madrid, Madrid, Spain |

¹⁴

Instituto Nicolás Cabrera, Universidad Autónoma de Madrid, Madrid, Spain |

¹⁵

Tomsk State University, Tomsk, Russia |

Publication type: Journal Article

Publication date: 2022-01-14

Springer Nature

Journal: npj Quantum Materials

Quartile SCImago

Quartile WOS

Impact factor: 5.7

ISSN: 23974648

DOI: 10.1038/s41535-021-00414-6

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Electronic, Optical and Magnetic Materials

Condensed Matter Physics

Abstract

We study the surface crystalline and electronic structures of the antiferromagnetic topological insulator MnBi₂Te₄ using scanning tunneling microscopy/spectroscopy (STM/S), micro(μ)-laser angle-resolved photoemission spectroscopy (ARPES), and density functional theory calculations. Our STM images reveal native point defects at the surface that we identify as Bi_Te antisites and Mn_Bi substitutions. Bulk X-ray diffraction further evidences the presence of the Mn-Bi intermixing. Overall, our characterizations suggest that the defects concentration is nonuniform within crystals and differs from sample to sample. Consistently, the ARPES and STS experiments reveal that the Dirac point gap of the topological surface state is different for different samples and sample cleavages, respectively. Our calculations show that the antiparallel alignment of the Mn_Bi moments with respect to those of the Mn layer can indeed cause a strong reduction of the Dirac point gap size. The present study provides important insights into a highly debated issue of the MnBi₂Te₄ Dirac point gap.

By date By citations

Citations by journals

	1 2 3 4 5 6 7
Physical Review B	Physical Review B, 7, 14.29% Physical Review B 7 publications, 14.29%
Nano Letters	Nano Letters, 4, 8.16% Nano Letters 4 publications, 8.16%
Physical Review Letters	Physical Review Letters, 3, 6.12% Physical Review Letters 3 publications, 6.12%
Advanced Materials	Advanced Materials, 3, 6.12% Advanced Materials 3 publications, 6.12%
JETP Letters	JETP Letters, 2, 4.08% JETP Letters 2 publications, 4.08%
Nanomaterials	Nanomaterials, 2, 4.08% Nanomaterials 2 publications, 4.08%
Physical Review Materials	Physical Review Materials, 2, 4.08% Physical Review Materials 2 publications, 4.08%
Journal of Physics Condensed Matter	Journal of Physics Condensed Matter, 2, 4.08% Journal of Physics Condensed Matter 2 publications, 4.08%
ACS Nano	ACS Nano, 2, 4.08% ACS Nano 2 publications, 4.08%
Journal of Magnetism and Magnetic Materials	Journal of Magnetism and Magnetic Materials, 1, 2.04% Journal of Magnetism and Magnetic Materials 1 publication, 2.04%
Journal of Experimental and Theoretical Physics	Journal of Experimental and Theoretical Physics, 1, 2.04% Journal of Experimental and Theoretical Physics 1 publication, 2.04%
Advanced Science	Advanced Science, 1, 2.04% Advanced Science 1 publication, 2.04%
ECS Journal of Solid State Science and Technology	ECS Journal of Solid State Science and Technology, 1, 2.04% ECS Journal of Solid State Science and Technology 1 publication, 2.04%
Physical Review Research	Physical Review Research, 1, 2.04% Physical Review Research 1 publication, 2.04%
Journal of Alloys and Compounds	Journal of Alloys and Compounds, 1, 2.04% Journal of Alloys and Compounds 1 publication, 2.04%
Applied Surface Science	Applied Surface Science, 1, 2.04% Applied Surface Science 1 publication, 2.04%
Journal of Physics Materials	Journal of Physics Materials, 1, 2.04% Journal of Physics Materials 1 publication, 2.04%
npj 2D Materials and Applications	npj 2D Materials and Applications, 1, 2.04% npj 2D Materials and Applications 1 publication, 2.04%
Research	Research, 1, 2.04% Research 1 publication, 2.04%
Proceedings of the National Academy of Sciences of the United States of America	Proceedings of the National Academy of Sciences of the United States of America, 1, 2.04% Proceedings of the National Academy of Sciences of the United States of America 1 publication, 2.04%
Nature Communications	Nature Communications, 1, 2.04% Nature Communications 1 publication, 2.04%
Acta Physica Sinica	Acta Physica Sinica, 1, 2.04% Acta Physica Sinica 1 publication, 2.04%
Science China: Physics, Mechanics and Astronomy	Science China: Physics, Mechanics and Astronomy, 1, 2.04% Science China: Physics, Mechanics and Astronomy 1 publication, 2.04%
Scientific Reports	Scientific Reports, 1, 2.04% Scientific Reports 1 publication, 2.04%
Journal of Physical Chemistry Letters	Journal of Physical Chemistry Letters, 1, 2.04% Journal of Physical Chemistry Letters 1 publication, 2.04%
Communications Materials	Communications Materials, 1, 2.04% Communications Materials 1 publication, 2.04%
Applied Physics Letters	Applied Physics Letters, 1, 2.04% Applied Physics Letters 1 publication, 2.04%
npj Quantum Materials	npj Quantum Materials, 1, 2.04% npj Quantum Materials 1 publication, 2.04%
National Science Review	National Science Review, 1, 2.04% National Science Review 1 publication, 2.04%
Journal of Phase Equilibria and Diffusion	Journal of Phase Equilibria and Diffusion, 1, 2.04% Journal of Phase Equilibria and Diffusion 1 publication, 2.04%
	1 2 3 4 5 6 7

Citations by publishers

	2 4 6 8 10 12 14
American Physical Society (APS)	American Physical Society (APS), 13, 26.53% American Physical Society (APS) 13 publications, 26.53%
American Chemical Society (ACS)	American Chemical Society (ACS), 7, 14.29% American Chemical Society (ACS) 7 publications, 14.29%
Springer Nature	Springer Nature, 6, 12.24% Springer Nature 6 publications, 12.24%
Pleiades Publishing	Pleiades Publishing, 4, 8.16% Pleiades Publishing 4 publications, 8.16%
Wiley	Wiley, 4, 8.16% Wiley 4 publications, 8.16%
Elsevier	Elsevier, 3, 6.12% Elsevier 3 publications, 6.12%
IOP Publishing	IOP Publishing, 3, 6.12% IOP Publishing 3 publications, 6.12%
Multidisciplinary Digital Publishing Institute (MDPI)	Multidisciplinary Digital Publishing Institute (MDPI), 2, 4.08% Multidisciplinary Digital Publishing Institute (MDPI) 2 publications, 4.08%
The Electrochemical Society	The Electrochemical Society, 1, 2.04% The Electrochemical Society 1 publication, 2.04%
American Association for the Advancement of Science (AAAS)	American Association for the Advancement of Science (AAAS), 1, 2.04% American Association for the Advancement of Science (AAAS) 1 publication, 2.04%
Proceedings of the National Academy of Sciences (PNAS)	Proceedings of the National Academy of Sciences (PNAS), 1, 2.04% Proceedings of the National Academy of Sciences (PNAS) 1 publication, 2.04%
Chinese Physical Society	Chinese Physical Society, 1, 2.04% Chinese Physical Society 1 publication, 2.04%
Science in China Press	Science in China Press, 1, 2.04% Science in China Press 1 publication, 2.04%
American Institute of Physics (AIP)	American Institute of Physics (AIP), 1, 2.04% American Institute of Physics (AIP) 1 publication, 2.04%
Oxford University Press	Oxford University Press, 1, 2.04% Oxford University Press 1 publication, 2.04%
	2 4 6 8 10 12 14

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.
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Garnica M. et al. Native point defects and their implications for the Dirac point gap at MnBi2Te4(0001) // npj Quantum Materials. 2022. Vol. 7. No. 1. 7

GOST all authors (up to 50) Copy

Garnica M., Otrokov M. M., Aguilar P. C., Klimovskikh I. I., Estyunin D. A., Aliev Z. S., Amiraslanov I. R., Abdullayev N. A., Zverev V. N., Babanly M. B., Mamedov N. T., SHIKIN A. M., Arnau A., Vazquez de Parga A. L., Chulkov E., Miranda R. M. Native point defects and their implications for the Dirac point gap at MnBi2Te4(0001) // npj Quantum Materials. 2022. Vol. 7. No. 1. 7

RIS |

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RIS Copy

TY - JOUR

DO - 10.1038/s41535-021-00414-6

UR - https://doi.org/10.1038%2Fs41535-021-00414-6

TI - Native point defects and their implications for the Dirac point gap at MnBi2Te4(0001)

T2 - npj Quantum Materials

AU - Garnica, Manuela

AU - Otrokov, Mikhail M.

AU - Aguilar, P Casado

AU - Klimovskikh, Ilya I.

AU - Estyunin, Dmitry A.

AU - Amiraslanov, I R

AU - Abdullayev, N A

AU - Zverev, V. N.

AU - Mamedov, N. T.

AU - Arnau, A.

AU - Vazquez de Parga, Amadeo L.

AU - Chulkov, E.V.

AU - Miranda, R. M.

AU - SHIKIN, A. M.

AU - Aliev, Z S

AU - Babanly, M. B.

PY - 2022

DA - 2022/01/14 00:00:00

PB - Springer Nature

IS - 1

VL - 7

SN - 2397-4648

ER -

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@article{2022_Garnica,

author = {Manuela Garnica and Mikhail M. Otrokov and P Casado Aguilar and Ilya I. Klimovskikh and Dmitry A. Estyunin and I R Amiraslanov and N A Abdullayev and V. N. Zverev and N. T. Mamedov and A. Arnau and Amadeo L. Vazquez de Parga and E.V. Chulkov and R. M. Miranda and A. M. SHIKIN and Z S Aliev and M. B. Babanly},

title = {Native point defects and their implications for the Dirac point gap at MnBi2Te4(0001)},

journal = {npj Quantum Materials},

year = {2022},

volume = {7},

publisher = {Springer Nature},

month = {jan},

url = {https://doi.org/10.1038%2Fs41535-021-00414-6},

number = {1},

doi = {10.1038/s41535-021-00414-6}

}

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Publisher

Springer Nature

Journal

npj Quantum Materials

Quartile SCImago

Quartile WOS

Impact factor

5.7

ISSN

23974648 (Electronic)

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