Strong Exciton-Coherent Phonon Coupling In Single-Layer MoS2

被引:0
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作者
Trovatello, Chiara [1 ]
Miranda, Henrique P. C. [2 ]
Molina-Sanchez, Alejandro [3 ]
Varillas, Rocio Borrego [1 ]
Moretti, Luca [1 ]
Ganzer, Lucia [1 ]
Maiuri, Margherita [1 ]
Soavi, Giancarlo [4 ]
Ferrari, Andrea C. [4 ]
Marini, Andrea [4 ]
Wirtz, Ludger [5 ]
Cerullo, Giulio [1 ,6 ]
Sangalli, Davide [4 ]
Dal Conte, Stefano [1 ]
机构
[1] Politecn Milan, Dipartimento Fis, Piazza L da Vinci 32, I-20133 Milan, Italy
[2] Catholic Univ Louvain, Inst Condensed Matter & Nanosci IMCN, B-1348 Louvain, Belgium
[3] Univ Valencia, Inst Mat Sci ICMUV, Catedratico Beltran 2, E-46980 Valencia, Spain
[4] CNR ISM, Div Ultrafast Proc Mat FLASHit, Area Ric Roma 1, Monterotondo, Italy
[5] Univ Luxembourg, 162 A,Ave Faencerie, L-1511 Luxembourg, Luxembourg
[6] IFN CNR, Piazza L da Vinci 32, I-20133 Milan, Italy
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中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We use broadband optical pump-probe spectroscopy to study coherent optical phonons in 1L-MoS2. We detect a strong coupling with the A'(1) mode, which is enhanced around the C-exciton peak. Ab-initio calculations of the phonon-induced band structure variation fully confirm this result. (C) 2019 The Author(s)
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页数:2
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