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  Nonlocally sensing the magnetic states of nanoscale antiferromagnets with an atomic spin sensor

Yan, S., Malavolti, L., Burgess, J. A. J., Droghetti, A., Rubio, A., & Loth, S. (2017). Nonlocally sensing the magnetic states of nanoscale antiferromagnets with an atomic spin sensor. Science Advances, 3(5): e1603137. doi:10.1126/sciadv.1603137.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-7B10-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-A379-D
Genre: Journal Article

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e1603137.full.pdf (Publisher version), 2MB
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2017 © The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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https://dx.doi.org/10.1126/sciadv.1603137 (Publisher version)
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 Creators:
Yan, S.1, 2, Author              
Malavolti, L.1, 2, Author              
Burgess, J. A. J.1, 2, Author              
Droghetti, A.3, Author
Rubio, A.3, 4, Author              
Loth, S.1, 2, 5, Author              
Affiliations:
1Dynamics of Nanoelectronic Systems, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938290              
2Max Planck Institute for Solid State Research, ou_persistent22              
3Nano-Bio Spectroscopy Group, Department of Materials Science, Universidad del País Vasco, ou_persistent22              
4Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266715              
5Institute for Functional Matter and Quantum Technologies, ou_persistent22              

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Free keywords: Scanning tunneling microscopy, Nano-antiferromagnet, Atomic spin sensor, Spin relaxation time
 Abstract: The ability to sense the magnetic state of individual magnetic nano-objects is a key capability for powerful applications ranging from readout of ultradense magnetic memory to the measurement of spins in complex structures with nanometer precision. Magnetic nano-objects require extremely sensitive sensors and detection methods. We create an atomic spin sensor consisting of three Fe atoms and show that it can detect nanoscale antiferromagnets through minute, surface-mediated magnetic interaction. Coupling, even to an object with no net spin and having vanishing dipolar stray field, modifies the transition matrix element between two spin states of the Fe atom–based spin sensor that changes the sensor’s spin relaxation time. The sensor can detect nanoscale antiferromagnets at up to a 3-nm distance and achieves an energy resolution of 10 μeV, surpassing the thermal limit of conventional scanning probe spectroscopy. This scheme permits simultaneous sensing of multiple antiferromagnets with a single-spin sensor integrated onto the surface.

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Language(s): eng - English
 Dates: 2016-09-152017-03-272017-05-26
 Publication Status: Published online
 Pages: -
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 Rev. Method: Peer
 Identifiers: DOI: 10.1126/sciadv.1603137
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Project name : J.A.J.B. acknowledges postdoctoral fellowships from the Alexander von Humboldt Foundation and the Natural Sciences and Engineering Research Council of Canada. A.D. and A.R. were supported by the European Research Council project QSpec-NewMat (ERC-2015-AdG-694097), the Marie Skłodowska-Curie project SPINMAN (SEP-210189940), and Grupos Consolidados UPV/EHU (Universidad del País Vasco/Euskal Herriko Unibertsitatea) (IT578-13).
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Title: Science Advances
  Other : Sci. Adv.
Source Genre: Journal
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Publ. Info: Washington : AAAS
Pages: - Volume / Issue: 3 (5) Sequence Number: e1603137 Start / End Page: - Identifier: ISSN: 2375-2548
CoNE: /journals/resource/2375-2548