Revealing exciton masses and dielectric properties of monolayer semiconductors with high magnetic fields

Autor: M. Goryca, J. Li, A. V. Stier, T. Taniguchi, K. Watanabe, E. Courtade, S. Shree, C. Robert, B. Urbaszek, X. Marie, S. A. Crooker

Publikováno v: Nature Communications, Vol 10, Iss 1, Pp 1-12 (2019)

The rational design of optoelectronic devices based on 2D materials relies on quantitative knowledge of their excitonic properties. Here the authors perform circularly-polarized absorption spectroscopy on monolayer $${{\rm{MoS}}}_{2},{{\rm{MoSe}}}_{2

Externí odkaz: https://doaj.org/article/1e7091b590eb46a8b1c81488fe74dcfa

Stacking-dependent exciton multiplicity in WSe2 bilayers

Autor: Zhijie Li, Jonathan Förste, Kenji Watanabe, Takashi Taniguchi, B. Urbaszek, Anvar Baimuratov, Iann Gerber, Alexander Högele, Ismail Bilgin

Publikováno v: Physical Review B
Physical Review B, 2022, 106 (4), pp.045411. ⟨10.1103/PhysRevB.106.045411⟩

Twisted layers of atomically thin two-dimensional materials realize a broad range of novel quantum materials with engineered optical and transport phenomena arising from spin and valley degrees of freedom and strong electron correlations in hybridize

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f683d01dc3f7a1621c5dc515c13d983f
https://doi.org/10.1103/physrevb.106.045411

Exciton States in Monolayer MoSe_{2} and MoTe_{2} Probed by Upconversion Spectroscopy

Autor: B. Han, C. Robert, E. Courtade, M. Manca, S. Shree, T. Amand, P. Renucci, T. Taniguchi, K. Watanabe, X. Marie, L. E. Golub, M. M. Glazov, B. Urbaszek

Publikováno v: Physical Review X, Vol 8, Iss 3, p 031073 (2018)

Transitions metal dichalcogenides (TMDs) are direct gap semiconductors in the monolayer (ML) limit with fascinating optical and spin-valley properties. The strong optical absorption of up to 20% for a single ML is governed by excitons, electron-hole

Externí odkaz: https://doaj.org/article/e6d6768ebb51411fa7326f9fb3005938

Excitonic Linewidth Approaching the Homogeneous Limit in MoS_{2}-Based van der Waals Heterostructures

Autor: F. Cadiz, E. Courtade, C. Robert, G. Wang, Y. Shen, H. Cai, T. Taniguchi, K. Watanabe, H. Carrere, D. Lagarde, M. Manca, T. Amand, P. Renucci, S. Tongay, X. Marie, B. Urbaszek

Publikováno v: Physical Review X, Vol 7, Iss 2, p 021026 (2017)

The strong light-matter interaction and the valley selective optical selection rules make monolayer (ML) MoS_{2} an exciting 2D material for fundamental physics and optoelectronics applications. But, so far, optical transition linewidths even at low

Externí odkaz: https://doaj.org/article/45bc5bbfd1d949fca67aef7e4b15dcb1

Observation of exciton-phonon coupling in MoSe 2 monolayers

Autor: M. Manca, Andrea Balocchi, B. Urbaszek, M. M. Glazov, Thierry Amand, E. Courtade, Shivangi Shree, T. Taniguchi, Kenji Watanabe, Cedric Robert, M. A. Semina, Bo Han, Xavier Marie

Publikováno v: Physical Review B: Condensed Matter and Materials Physics (1998-2015)
Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2018, 98 (3), ⟨10.1103/PhysRevB.98.035302⟩
Physical Review B
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2018, 98 (3), ⟨10.1103/PhysRevB.98.035302⟩

International audience; We study experimentally and theoretically the exciton-phonon interaction in MoSe2 monolayers encapsulated in hexagonal BN, which has an important impact on both optical absorption and emission processes. The exciton transition

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a51fcd3f8fcb8b3727d93dc7a21aa29d
https://hal.insa-toulouse.fr/hal-02057665