Linear Magnetoelectric Phase in Ultrathin MnPS_{3} Probed by Optical Second Harmonic Generation
The transition metal thiophosphates MPS_{3} (M=Mn, Fe, Ni) are a class of van der Waals stacked insulating antiferromagnets that can be exfoliated down to the ultrathin limit. MnPS_{3} is particularly interesting because its Néel ordered state breaks both spatial-inversion and time-reversal symmetries, allowing for a linear magnetoelectric phase that is rare among van der Waals materials. However, it is unknown whether this unique magnetic structure of bulk MnPS_{3} remains stable in the ultrathin limit. Using optical second harmonic generation rotational anisotropy, we show that long-range linear magnetoelectric type Néel order in MnPS_{3} persists down to at least 5.3 nm thickness. However an unusual mirror symmetry breaking develops in ultrathin samples on SiO_{2} substrates that is absent in bulk materials, which is likely related to substrate induced strain.
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2020 |
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Erschienen: |
2020 |
Enthalten in: |
Zur Gesamtaufnahme - volume:124 |
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Enthalten in: |
Physical review letters - 124(2020), 2 vom: 17. Jan., Seite 027601 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Chu, Hao [VerfasserIn] |
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Anmerkungen: |
Date Revised 07.02.2020 published: Print Citation Status PubMed-not-MEDLINE |
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doi: |
10.1103/PhysRevLett.124.027601 |
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funding: |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
NLM305997165 |
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520 | |a The transition metal thiophosphates MPS_{3} (M=Mn, Fe, Ni) are a class of van der Waals stacked insulating antiferromagnets that can be exfoliated down to the ultrathin limit. MnPS_{3} is particularly interesting because its Néel ordered state breaks both spatial-inversion and time-reversal symmetries, allowing for a linear magnetoelectric phase that is rare among van der Waals materials. However, it is unknown whether this unique magnetic structure of bulk MnPS_{3} remains stable in the ultrathin limit. Using optical second harmonic generation rotational anisotropy, we show that long-range linear magnetoelectric type Néel order in MnPS_{3} persists down to at least 5.3 nm thickness. However an unusual mirror symmetry breaking develops in ultrathin samples on SiO_{2} substrates that is absent in bulk materials, which is likely related to substrate induced strain | ||
650 | 4 | |a Journal Article | |
700 | 1 | |a Roh, Chang Jae |e verfasserin |4 aut | |
700 | 1 | |a Island, Joshua O |e verfasserin |4 aut | |
700 | 1 | |a Li, Chen |e verfasserin |4 aut | |
700 | 1 | |a Lee, Sungmin |e verfasserin |4 aut | |
700 | 1 | |a Chen, Jingjing |e verfasserin |4 aut | |
700 | 1 | |a Park, Je-Geun |e verfasserin |4 aut | |
700 | 1 | |a Young, Andrea F |e verfasserin |4 aut | |
700 | 1 | |a Lee, Jong Seok |e verfasserin |4 aut | |
700 | 1 | |a Hsieh, David |e verfasserin |4 aut | |
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