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- Publisher Website: 10.1021/acs.nanolett.2c01508
- Scopus: eid_2-s2.0-85133959708
- PMID: 35713477
- WOS: WOS:000820322000001
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Article: Anomalous Magneto-Optical Response and Chiral Interface of Dipolar Excitons at Twisted Valleys
Title | Anomalous Magneto-Optical Response and Chiral Interface of Dipolar Excitons at Twisted Valleys |
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Authors | |
Keywords | Chiral interface Dipolar excitons Magneto-optical effect Strain Twistronics |
Issue Date | 2022 |
Citation | Nano Letters, 2022, v. 22, n. 13, p. 5466-5472 How to Cite? |
Abstract | An anomalous magneto-optical spectrum is discovered for dipolar valley excitons in twisted double-layer transition metal dichalcogenides, where the in-plane magnetic field induces a sizable multiplet splitting of exciton states inside the light cone. Chiral dispersions of the split branches make possible an efficient optical injection of the unidirectional exciton current. We also find an analog effect with a modest heterostrain replacing the magnetic field for introducing large splitting and chiral dispersions in the light cone. Angular orientation of the photoinjected exciton flow can be controlled by strain, with left-right unidirectionality selected by circular polarization. |
Persistent Identifier | http://hdl.handle.net/10722/335399 |
ISSN | 2023 Impact Factor: 9.6 2023 SCImago Journal Rankings: 3.411 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Zheng, Huiyuan | - |
dc.contributor.author | Zhai, Dawei | - |
dc.contributor.author | Yao, Wang | - |
dc.date.accessioned | 2023-11-17T08:25:34Z | - |
dc.date.available | 2023-11-17T08:25:34Z | - |
dc.date.issued | 2022 | - |
dc.identifier.citation | Nano Letters, 2022, v. 22, n. 13, p. 5466-5472 | - |
dc.identifier.issn | 1530-6984 | - |
dc.identifier.uri | http://hdl.handle.net/10722/335399 | - |
dc.description.abstract | An anomalous magneto-optical spectrum is discovered for dipolar valley excitons in twisted double-layer transition metal dichalcogenides, where the in-plane magnetic field induces a sizable multiplet splitting of exciton states inside the light cone. Chiral dispersions of the split branches make possible an efficient optical injection of the unidirectional exciton current. We also find an analog effect with a modest heterostrain replacing the magnetic field for introducing large splitting and chiral dispersions in the light cone. Angular orientation of the photoinjected exciton flow can be controlled by strain, with left-right unidirectionality selected by circular polarization. | - |
dc.language | eng | - |
dc.relation.ispartof | Nano Letters | - |
dc.subject | Chiral interface | - |
dc.subject | Dipolar excitons | - |
dc.subject | Magneto-optical effect | - |
dc.subject | Strain | - |
dc.subject | Twistronics | - |
dc.title | Anomalous Magneto-Optical Response and Chiral Interface of Dipolar Excitons at Twisted Valleys | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1021/acs.nanolett.2c01508 | - |
dc.identifier.pmid | 35713477 | - |
dc.identifier.scopus | eid_2-s2.0-85133959708 | - |
dc.identifier.volume | 22 | - |
dc.identifier.issue | 13 | - |
dc.identifier.spage | 5466 | - |
dc.identifier.epage | 5472 | - |
dc.identifier.eissn | 1530-6992 | - |
dc.identifier.isi | WOS:000820322000001 | - |