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| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Fukutani, Keisuke | - |
| dc.contributor.author | Stania, Roland | - |
| dc.contributor.author | Jung, Jiwon | - |
| dc.contributor.author | Schwier, Eike F. | - |
| dc.contributor.author | Shimada, Kenya | - |
| dc.contributor.author | Kwon, Chang Il | - |
| dc.contributor.author | Kim, Jun Sung | - |
| dc.contributor.author | Yeom, Han Woong | - |
| dc.date.accessioned | 2020-02-26T05:50:04Z | - |
| dc.date.available | 2020-02-26T05:50:04Z | - |
| dc.date.created | 2019-12-18 | - |
| dc.date.issued | 2019-11 | - |
| dc.identifier.issn | 0031-9007 | - |
| dc.identifier.uri | https://oasis.postech.ac.kr/handle/2014.oak/101118 | - |
| dc.description.abstract | We demonstrate that the excitonic insulator ground state of Ta2NiSe5 can be electrically controlled by electropositive surface adsorbates. Our studies utilizing angle-resolved photoemission spectroscopy reveal intriguing wave-vector-dependent deformations of the characteristic flattop valence band of this material upon potassium adsorption. The observed band deformation indicates a reduction of the single-particle band gap due to the Stark effect near the surface. The present study provides the foundation for the electrical tuning of the many-body quantum states in excitonic insulators. | - |
| dc.language | English | - |
| dc.publisher | AMER PHYSICAL SOC | - |
| dc.relation.isPartOf | PHYSICAL REVIEW LETTERS | - |
| dc.title | Electrical Tuning of the Excitonic Insulator Ground State of Ta2NiSe5 | - |
| dc.type | Article | - |
| dc.identifier.doi | 10.1103/PhysRevLett.123.206401 | - |
| dc.type.rims | ART | - |
| dc.identifier.bibliographicCitation | PHYSICAL REVIEW LETTERS, v.123, no.20 | - |
| dc.identifier.wosid | 000495979600009 | - |
| dc.citation.number | 20 | - |
| dc.citation.title | PHYSICAL REVIEW LETTERS | - |
| dc.citation.volume | 123 | - |
| dc.contributor.affiliatedAuthor | Jung, Jiwon | - |
| dc.contributor.affiliatedAuthor | Kwon, Chang Il | - |
| dc.contributor.affiliatedAuthor | Kim, Jun Sung | - |
| dc.contributor.affiliatedAuthor | Yeom, Han Woong | - |
| dc.identifier.scopusid | 2-s2.0-85075112055 | - |
| dc.description.journalClass | 1 | - |
| dc.description.journalClass | 1 | - |
| dc.description.isOpenAccess | N | - |
| dc.type.docType | Article | - |
| dc.subject.keywordPlus | BAND-GAP | - |
| dc.subject.keywordPlus | WANNIER EXCITON | - |
| dc.subject.keywordPlus | TRANSITION | - |
| dc.subject.keywordPlus | SURFACE | - |
| dc.subject.keywordPlus | PHASE | - |
| dc.subject.keywordPlus | FIELD | - |
| dc.relation.journalWebOfScienceCategory | Physics, Multidisciplinary | - |
| dc.description.journalRegisteredClass | scie | - |
| dc.description.journalRegisteredClass | scopus | - |
| dc.relation.journalResearchArea | Physics | - |
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Related Researcher
- 김준성KIM, JUN SUNG
- Dept of Physics