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Communications Physics, volume 6, issue 1, publication number 135

Hydrogenic spin-valley states of the bromine donor in 2H-MoTe2

Sheina Valeria ¹

Lang Guillaume ²

Stolyarov V. S. ^{3, 4, 5}

Marchenkov V V ⁶

Naumov Sergey ⁶

Perevalova Alexandra ⁶

Girard Jean-Christophe ¹

Rodary Guillemin ¹

David Christophe ¹

Sop Leonnel Romuald ¹

Pierucci Debora ¹

Ouerghi Abdelkarim ¹

Cantin Jean Louis ⁷

Leridon Brigitte ²

Ghorbani-Asl Mahdi ⁸

Krasheninnikov Arkady V. ^{8, 9}

Aubin Hervé ¹

Hide authors affiliations Show authors affiliations: 9 affiliations

Centre de Nanosciences et de Nanotechnologies (C2N), UMR CNRS 9001, Université Paris-Saclay, Palaiseau, France |

Laboratoire de Physique et d’Étude des Matériaux, UMR CNRS 8213, ESPCI Paris, Université PSL, Sorbonne Université, Paris, France

École supérieure de physique et de chimie industrielles de la Ville de Paris

Sorbonne University

Advanced Mesoscience and Nanotechnology Centre, Moscow Institute of Physics and Technology, Dolgoprudny, Russia |

⁴

National University of Science and technology MISIS, Moscow, Russia |

⁵

Dukhov Research Institute of Automatics (VNIIA), Moscow, Russia |

⁶

M.N. Mikheev Institute of Metal Physics, UB RAS, Ekaterinburg, Russia |

⁷

Institut Des Nanosciences de Paris, UMR CNRS 7588, Sorbonne Université, Paris, France |

⁸

Institute of Ion Beam Physics and Materials Research, Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany |

⁹

Department of Applied Physics, Aalto University, AALTO, Finland |

Publication type: Journal Article

Publication date: 2023-06-09

Springer Nature

Journal: Communications Physics

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Impact factor: 5.5

ISSN: 23993650

DOI: 10.1038/s42005-023-01244-7

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General Physics and Astronomy

Abstract

In semiconductors, the identification of doping atomic elements allowing to encode a qubit within spin states is of intense interest for quantum technologies. In transition metal dichalcogenides semiconductors, the strong spin-orbit coupling produces locked spin-valley states with expected long coherence time. Here we study the substitutional Bromine Br_Te dopant in 2H-MoTe₂. Electron spin resonance measurements show that this dopant carries a spin with long-lived nanoseconds coherence time. Using scanning tunneling spectroscopy, we find that the hydrogenic wavefunctions associated with the dopant levels have characteristics spatial modulations that result from their hybridization to the Q-valleys of the conduction band. From a Fourier analysis of the conductance maps, we find that the amplitude and phase of the Fourier components change with energy according to the different irreducible representations of the impurity-site point-group symmetry. These results demonstrate that a dopant can inherit the locked spin-valley properties of the semiconductor and so exhibit long spin-coherence time.

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Sheina V. et al. Hydrogenic spin-valley states of the bromine donor in 2H-MoTe2 // Communications Physics. 2023. Vol. 6. No. 1. 135

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Sheina V., Lang G., Stolyarov V. S., Marchenkov V. V., Naumov S., Perevalova A., Girard J., Rodary G., David C., Sop L. R., Pierucci D., Ouerghi A., Cantin J. L., Leridon B., Ghorbani-Asl M., Krasheninnikov A. V., Aubin H. Hydrogenic spin-valley states of the bromine donor in 2H-MoTe2 // Communications Physics. 2023. Vol. 6. No. 1. 135

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TY - JOUR

DO - 10.1038/s42005-023-01244-7

UR - https://doi.org/10.1038%2Fs42005-023-01244-7

TI - Hydrogenic spin-valley states of the bromine donor in 2H-MoTe2

T2 - Communications Physics

AU - Sheina, Valeria

AU - Lang, Guillaume

AU - Stolyarov, V. S.

AU - Marchenkov, V V

AU - Naumov, Sergey

AU - Perevalova, Alexandra

AU - Girard, Jean-Christophe

AU - Rodary, Guillemin

AU - David, Christophe

AU - Sop, Leonnel Romuald

AU - Pierucci, Debora

AU - Ouerghi, Abdelkarim

AU - Cantin, Jean Louis

AU - Leridon, Brigitte

AU - Ghorbani-Asl, Mahdi

AU - Krasheninnikov, Arkady V.

AU - Aubin, Hervé

PY - 2023

DA - 2023/06/09 00:00:00

PB - Springer Nature

IS - 1

VL - 6

SN - 2399-3650

ER -

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@article{2023_Sheina,

author = {Valeria Sheina and Guillaume Lang and V. S. Stolyarov and V V Marchenkov and Sergey Naumov and Alexandra Perevalova and Jean-Christophe Girard and Guillemin Rodary and Christophe David and Leonnel Romuald Sop and Debora Pierucci and Abdelkarim Ouerghi and Jean Louis Cantin and Brigitte Leridon and Mahdi Ghorbani-Asl and Arkady V. Krasheninnikov and Hervé Aubin},

title = {Hydrogenic spin-valley states of the bromine donor in 2H-MoTe2},

journal = {Communications Physics},

year = {2023},

volume = {6},

publisher = {Springer Nature},

month = {jun},

url = {https://doi.org/10.1038%2Fs42005-023-01244-7},

number = {1},

doi = {10.1038/s42005-023-01244-7}

}

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Springer Nature

Journal

Communications Physics

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5.5

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23993650 (Electronic)

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