Hidden magnetism uncovered in a charge ordered bilayer kagome material ScV6Sn6

Z. Guguchia; D. J. Gawryluk; S. Shin; Z. Hao; C. Mielke; D. Das; I. Plokhikh; L. Liborio; J. Kane Shenton; Y. Hu; V. Sazgari; M. Medarde; H. Deng; Y. Cai; C. Chen; Y. Jiang; A. Amato; M. Shi; M. Z. Hasan; J. X. Yin; R. Khasanov; E. Pomjakushina; H. Luetkens

doi:10.1038/s41467-023-43503-9

Hidden magnetism uncovered in a charge ordered bilayer kagome material ScV₆Sn₆

Z. Guguchia, D. J. Gawryluk, S. Shin, Z. Hao, C. Mielke, D. Das, I. Plokhikh, L. Liborio, J. Kane Shenton, Y. Hu, V. Sazgari, M. Medarde, H. Deng, Y. Cai, C. Chen, Y. Jiang, A. Amato, M. Shi, M. Z. Hasan, J. X. YinR. Khasanov, E. Pomjakushina, H. Luetkens

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Abstract

Charge ordered kagome lattices have been demonstrated to be intriguing platforms for studying the intertwining of topology, correlation, and magnetism. The recently discovered charge ordered kagome material ScV₆Sn₆ does not feature a magnetic groundstate or excitations, thus it is often regarded as a conventional paramagnet. Here, using advanced muon-spin rotation spectroscopy, we uncover an unexpected hidden magnetism of the charge order. We observe an enhancement of the internal field width sensed by the muon ensemble, which takes place within the charge ordered state. More importantly, the muon spin relaxation rate below the charge ordering temperature is substantially enhanced by applying an external magnetic field. Taken together with the hidden magnetism found in AV₃Sb₅ (A = K, Rb, Cs) and FeGe kagome systems, our results suggest ubiqitous time-reversal symmetry-breaking in charge ordered kagome lattices.

Original language	English (US)
Article number	7796
Journal	Nature communications
Volume	14
Issue number	1
DOIs	https://doi.org/10.1038/s41467-023-43503-9
State	Published - Dec 2023

All Science Journal Classification (ASJC) codes

General Chemistry
General Biochemistry, Genetics and Molecular Biology
General Physics and Astronomy

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Guguchia, Z., Gawryluk, D. J., Shin, S., Hao, Z., Mielke, C., Das, D., Plokhikh, I., Liborio, L., Shenton, J. K., Hu, Y., Sazgari, V., Medarde, M., Deng, H., Cai, Y., Chen, C., Jiang, Y., Amato, A., Shi, M., Hasan, M. Z., ... Luetkens, H. (2023). Hidden magnetism uncovered in a charge ordered bilayer kagome material ScV₆Sn₆. Nature communications, 14(1), Article 7796. https://doi.org/10.1038/s41467-023-43503-9

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title = "Hidden magnetism uncovered in a charge ordered bilayer kagome material ScV6Sn6",

abstract = "Charge ordered kagome lattices have been demonstrated to be intriguing platforms for studying the intertwining of topology, correlation, and magnetism. The recently discovered charge ordered kagome material ScV6Sn6 does not feature a magnetic groundstate or excitations, thus it is often regarded as a conventional paramagnet. Here, using advanced muon-spin rotation spectroscopy, we uncover an unexpected hidden magnetism of the charge order. We observe an enhancement of the internal field width sensed by the muon ensemble, which takes place within the charge ordered state. More importantly, the muon spin relaxation rate below the charge ordering temperature is substantially enhanced by applying an external magnetic field. Taken together with the hidden magnetism found in AV3Sb5 (A = K, Rb, Cs) and FeGe kagome systems, our results suggest ubiqitous time-reversal symmetry-breaking in charge ordered kagome lattices.",

author = "Z. Guguchia and Gawryluk, {D. J.} and S. Shin and Z. Hao and C. Mielke and D. Das and I. Plokhikh and L. Liborio and Shenton, {J. Kane} and Y. Hu and V. Sazgari and M. Medarde and H. Deng and Y. Cai and C. Chen and Y. Jiang and A. Amato and M. Shi and Hasan, {M. Z.} and Yin, {J. X.} and R. Khasanov and E. Pomjakushina and H. Luetkens",

note = "Publisher Copyright: {\textcopyright} 2023, The Author(s).",

year = "2023",

month = dec,

doi = "10.1038/s41467-023-43503-9",

language = "English (US)",

volume = "14",

journal = "Nature communications",

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Guguchia, Z, Gawryluk, DJ, Shin, S, Hao, Z, Mielke, C, Das, D, Plokhikh, I, Liborio, L, Shenton, JK, Hu, Y, Sazgari, V, Medarde, M, Deng, H, Cai, Y, Chen, C, Jiang, Y, Amato, A, Shi, M, Hasan, MZ, Yin, JX, Khasanov, R, Pomjakushina, E & Luetkens, H 2023, 'Hidden magnetism uncovered in a charge ordered bilayer kagome material ScV₆Sn₆', Nature communications, vol. 14, no. 1, 7796. https://doi.org/10.1038/s41467-023-43503-9

TY - JOUR

T1 - Hidden magnetism uncovered in a charge ordered bilayer kagome material ScV6Sn6

AU - Guguchia, Z.

AU - Gawryluk, D. J.

AU - Shin, S.

AU - Hao, Z.

AU - Mielke, C.

AU - Das, D.

AU - Plokhikh, I.

AU - Liborio, L.

AU - Shenton, J. Kane

AU - Hu, Y.

AU - Sazgari, V.

AU - Medarde, M.

AU - Deng, H.

AU - Cai, Y.

AU - Chen, C.

AU - Jiang, Y.

AU - Amato, A.

AU - Shi, M.

AU - Hasan, M. Z.

AU - Yin, J. X.

AU - Khasanov, R.

AU - Pomjakushina, E.

AU - Luetkens, H.

PY - 2023/12

Y1 - 2023/12

N2 - Charge ordered kagome lattices have been demonstrated to be intriguing platforms for studying the intertwining of topology, correlation, and magnetism. The recently discovered charge ordered kagome material ScV6Sn6 does not feature a magnetic groundstate or excitations, thus it is often regarded as a conventional paramagnet. Here, using advanced muon-spin rotation spectroscopy, we uncover an unexpected hidden magnetism of the charge order. We observe an enhancement of the internal field width sensed by the muon ensemble, which takes place within the charge ordered state. More importantly, the muon spin relaxation rate below the charge ordering temperature is substantially enhanced by applying an external magnetic field. Taken together with the hidden magnetism found in AV3Sb5 (A = K, Rb, Cs) and FeGe kagome systems, our results suggest ubiqitous time-reversal symmetry-breaking in charge ordered kagome lattices.

AB - Charge ordered kagome lattices have been demonstrated to be intriguing platforms for studying the intertwining of topology, correlation, and magnetism. The recently discovered charge ordered kagome material ScV6Sn6 does not feature a magnetic groundstate or excitations, thus it is often regarded as a conventional paramagnet. Here, using advanced muon-spin rotation spectroscopy, we uncover an unexpected hidden magnetism of the charge order. We observe an enhancement of the internal field width sensed by the muon ensemble, which takes place within the charge ordered state. More importantly, the muon spin relaxation rate below the charge ordering temperature is substantially enhanced by applying an external magnetic field. Taken together with the hidden magnetism found in AV3Sb5 (A = K, Rb, Cs) and FeGe kagome systems, our results suggest ubiqitous time-reversal symmetry-breaking in charge ordered kagome lattices.

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JO - Nature communications

JF - Nature communications

IS - 1

M1 - 7796

ER -

Hidden magnetism uncovered in a charge ordered bilayer kagome material ScV₆Sn₆

Abstract

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