Multi-species optically addressable spin defects in a van der Waals material.

Scholten, SC; Singh, P; Healey, AJ; Robertson, IO; Haim, G; Tan, C; Broadway, DA; Wang, L; Abe, H; Ohshima, T; Kianinia, M; Reineck, P; Aharonovich, I; Tetienne, J-P

Multi-species optically addressable spin defects in a van der Waals material.

Scholten, SC Singh, P Healey, AJ Robertson, IO Haim, G Tan, C Broadway, DA Wang, L Abe, H Ohshima, T Kianinia, M

Reineck, P Aharonovich, I

Tetienne, J-P

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Publisher:: NATURE PORTFOLIO
Publication Type:: Journal Article
Citation:: Nat Commun, 2024, 15, (1), pp. 6727
Issue Date:: 2024-08-07

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Field	Value	Language
dc.contributor.author	Scholten, SC
dc.contributor.author	Singh, P
dc.contributor.author	Healey, AJ
dc.contributor.author	Robertson, IO
dc.contributor.author	Haim, G
dc.contributor.author	Tan, C
dc.contributor.author	Broadway, DA
dc.contributor.author	Wang, L
dc.contributor.author	Abe, H
dc.contributor.author	Ohshima, T
dc.contributor.author	Kianinia, M https://orcid.org/0000-0003-4073-1492
dc.contributor.author	Reineck, P
dc.contributor.author	Aharonovich, I https://orcid.org/0000-0003-4304-3935
dc.contributor.author	Tetienne, J-P
dc.date.accessioned	2024-08-21T03:52:37Z
dc.date.available	2024-07-29
dc.date.available	2024-08-21T03:52:37Z
dc.date.issued	2024-08-07
dc.identifier.citation	Nat Commun, 2024, 15, (1), pp. 6727
dc.identifier.issn	2041-1723
dc.identifier.issn	2041-1723
dc.identifier.uri	http://hdl.handle.net/10453/180457
dc.description.abstract	Optically addressable spin defects hosted in two-dimensional van der Waals materials represent a new frontier for quantum technologies, promising to lead to a new class of ultrathin quantum sensors and simulators. Recently, hexagonal boron nitride (hBN) has been shown to host several types of optically addressable spin defects, thus offering a unique opportunity to simultaneously address and utilise various spin species in a single material. Here we demonstrate an interplay between two separate spin species within a single hBN crystal, namely S = 1 boron vacancy defects and carbon-related electron spins. We reveal the S = 1/2 character of the carbon-related defect and further demonstrate room temperature coherent control and optical readout of both S = 1 and S = 1/2 spin species. By tuning the two spin ensembles into resonance with each other, we observe cross-relaxation indicating strong inter-species dipolar coupling. We then demonstrate magnetic imaging using the S = 1/2 defects and leverage their lack of intrinsic quantization axis to probe the magnetic anisotropy of a test sample. Our results establish hBN as a versatile platform for quantum technologies in a van der Waals host at room temperature.
dc.format	Electronic
dc.language	eng
dc.publisher	NATURE PORTFOLIO
dc.relation	http://purl.org/au-research/grants/arc/CE170100012
dc.relation	http://purl.org/au-research/grants/arc/CE200100010
dc.relation	United States Department of the NavyN629092212028
dc.relation	http://purl.org/au-research/grants/arc/FT220100053
dc.relation.ispartof	Nat Commun
dc.relation.isbasedon	10.1038/s41467-024-51129-8
dc.rights	info:eu-repo/semantics/openAccess
dc.title	Multi-species optically addressable spin defects in a van der Waals material.
dc.type	Journal Article
utslib.citation.volume	15
utslib.location.activity	England
pubs.organisational-group	University of Technology Sydney
pubs.organisational-group	University of Technology Sydney/Faculty of Science
pubs.organisational-group	University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	open_access	*
dc.rights.license	This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0). To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-nd/4.0/
dc.date.updated	2024-08-21T03:52:32Z
pubs.issue	1
pubs.publication-status	Published online
pubs.volume	15
utslib.citation.issue	1

Abstract:

Optically addressable spin defects hosted in two-dimensional van der Waals materials represent a new frontier for quantum technologies, promising to lead to a new class of ultrathin quantum sensors and simulators. Recently, hexagonal boron nitride (hBN) has been shown to host several types of optically addressable spin defects, thus offering a unique opportunity to simultaneously address and utilise various spin species in a single material. Here we demonstrate an interplay between two separate spin species within a single hBN crystal, namely S = 1 boron vacancy defects and carbon-related electron spins. We reveal the S = 1/2 character of the carbon-related defect and further demonstrate room temperature coherent control and optical readout of both S = 1 and S = 1/2 spin species. By tuning the two spin ensembles into resonance with each other, we observe cross-relaxation indicating strong inter-species dipolar coupling. We then demonstrate magnetic imaging using the S = 1/2 defects and leverage their lack of intrinsic quantization axis to probe the magnetic anisotropy of a test sample. Our results establish hBN as a versatile platform for quantum technologies in a van der Waals host at room temperature.

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