Evidence map›Paper›PMID 38052937›Full record

ArticleNature materials2024

Revealing emergent magnetic charge in an antiferromagnet with diamond quantum magnetometry.

Anthony K C Tan, Hariom Jani, Michael Högen, Lucio Stefan, Claudio Castelnovo, Daniel Braund, Alexandra Geim, Annika Mechnich, Matthew S G Feuer, Helena S Knowles and 3 more

Abstract read
In one paragraph

Article in Nature materials, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

12 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

13 authors.

Anthony K C Tan *Cavendish Laboratory, University of Cambridge, Cambridge, UK. akct3@cam.ac.uk.ORCID http://orcid.org/0000-0002-1324-4376
Hariom Jani *Clarendon Laboratory, Department of Physics, University of Oxford, Oxford, UK. hariom.jani@physics.ox.ac.uk.ORCID http://orcid.org/0000-0003-4902-5180
Michael Högen *Cavendish Laboratory, University of Cambridge, Cambridge, UK.
Lucio StefanCavendish Laboratory, University of Cambridge, Cambridge, UK.ORCID http://orcid.org/0000-0002-3855-6069
Claudio CastelnovoCavendish Laboratory, University of Cambridge, Cambridge, UK.ORCID http://orcid.org/0000-0003-1752-6343
Daniel BraundCavendish Laboratory, University of Cambridge, Cambridge, UK.ORCID http://orcid.org/0009-0005-6087-3852
Alexandra GeimCavendish Laboratory, University of Cambridge, Cambridge, UK.ORCID http://orcid.org/0000-0001-5294-4941
Annika MechnichCavendish Laboratory, University of Cambridge, Cambridge, UK.ORCID http://orcid.org/0009-0001-4984-6360
Matthew S G FeuerCavendish Laboratory, University of Cambridge, Cambridge, UK.ORCID http://orcid.org/0000-0002-2404-3721
Helena S KnowlesCavendish Laboratory, University of Cambridge, Cambridge, UK.
Ariando AriandoDepartment of Physics, National University of Singapore, Singapore, Singapore.ORCID http://orcid.org/0000-0002-0598-426X
Paolo G RadaelliClarendon Laboratory, Department of Physics, University of Oxford, Oxford, UK. paolo.radaelli@physics.ox.ac.uk.ORCID http://orcid.org/0000-0002-6717-035X
Mete AtatüreCavendish Laboratory, University of Cambridge, Cambridge, UK. ma424@cam.ac.uk.ORCID http://orcid.org/0000-0003-3852-0944

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Whirling topological textures play a key role in exotic phases of magnetic materials and are promising for logic and memory applications. In antiferromagnets, these textures exhibit enhanced stability and faster dynamics with respect to their ferromagnetic counterparts, but they are also difficult to study due to their vanishing net magnetic moment. One technique that meets the demand of highly sensitive vectorial magnetic field sensing with negligible backaction is diamond quantum magnetometry. Here we show that an archetypal antiferromagnet-haematite-hosts a rich tapestry of monopolar, dipolar and quadrupolar emergent magnetic charge distributions. The direct read-out of the previously inaccessible vorticity of an antiferromagnetic spin texture provides the crucial connection to its magnetic charge through a duality relation. Our work defines a paradigmatic class of magnetic systems to explore two-dimensional monopolar physics, and highlights the transformative role that diamond quantum magnetometry could play in exploring emergent phenomena in quantum materials.

Identifiers

PMID38052937
PMCPMC10837077

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.