Ultrafast nanoscopy of an excitonic insulator-metal transition in twisted bilayer WSe2

Martin Zizlsperger; Thomas Siday; Fabian Sandner; Samuel Brem; Raul Perea-Causin; Felix Schiegl; Svenja Nerreter; Markus Plankl; Philipp Merkl; Fabian Mooshammer; Markus A. Huber; Ermin Malic; Rupert Huber

Ultrafast nanoscopy of an excitonic insulator-metal transition in twisted bilayer WSe₂

Martin Zizlsperger
, Thomas Siday
, Fabian Sandner
, Samuel Brem
, Raul Perea-Causin
, Felix Schiegl
, Svenja Nerreter
, Markus Plankl
, Philipp Merkl
, Fabian Mooshammer
, Markus A. Huber
, Ermin Malic
, Rupert Huber

Physics and Astronomy

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Many-body interactions between excitons in a transition-metal dichalcogenide bilayer drive a transition into an electron-hole liquid at high densities. Using ultrafast polarization nanoscopy, we unveil spatiotemporal dynamics of this continuous Mott transition on the nanoscale.

Original language	English
Title of host publication	2022 Conference on Lasers and Electro-Optics (CLEO)
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Number of pages	2
ISBN (Electronic)	9781957171050
ISBN (Print)	9781665466660
Publication status	Published - 23 Sept 2022
Event	2022 Conference on Lasers and Electro-Optics, CLEO 2022 - San Jose, United States Duration: 15 May 2022 → 20 May 2022

Publication series

Name	Conference on Lasers and Electro-optics
Publisher	IEEE
ISSN (Electronic)	2160-9047

Conference

Conference	2022 Conference on Lasers and Electro-Optics, CLEO 2022
Country/Territory	United States
City	San Jose
Period	15/05/22 → 20/05/22

Bibliographical note

Publisher Copyright:
© Optica Publishing Group 2022

Keywords

Liquids
Excitons
Lasers and electrooptics
Nanoscale devices
Laser excitation
Spatiotemporal phenomena
Laser transitions

ASJC Scopus subject areas

Instrumentation
Spectroscopy
Biomedical Engineering
Electrical and Electronic Engineering
Management, Monitoring, Policy and Law
Materials Science (miscellaneous)
Acoustics and Ultrasonics
Atomic and Molecular Physics, and Optics

Access to Document

https://ieeexplore.ieee.org/document/9891185

Cite this

Zizlsperger, M., Siday, T., Sandner, F., Brem, S., Perea-Causin, R., Schiegl, F., Nerreter, S., Plankl, M., Merkl, P., Mooshammer, F., Huber, M. A., Malic, E., & Huber, R. (2022). Ultrafast nanoscopy of an excitonic insulator-metal transition in twisted bilayer WSe₂. In 2022 Conference on Lasers and Electro-Optics (CLEO) Article FM4N.4 (Conference on Lasers and Electro-optics). Institute of Electrical and Electronics Engineers (IEEE). https://ieeexplore.ieee.org/document/9891185

@inproceedings{73a04fc68815454ab68857cbdf7ac7c4,

title = "Ultrafast nanoscopy of an excitonic insulator-metal transition in twisted bilayer WSe2",

abstract = "Many-body interactions between excitons in a transition-metal dichalcogenide bilayer drive a transition into an electron-hole liquid at high densities. Using ultrafast polarization nanoscopy, we unveil spatiotemporal dynamics of this continuous Mott transition on the nanoscale.",

keywords = "Liquids, Excitons, Lasers and electrooptics, Nanoscale devices, Laser excitation, Spatiotemporal phenomena, Laser transitions",

author = "Martin Zizlsperger and Thomas Siday and Fabian Sandner and Samuel Brem and Raul Perea-Causin and Felix Schiegl and Svenja Nerreter and Markus Plankl and Philipp Merkl and Fabian Mooshammer and Huber, \{Markus A.\} and Ermin Malic and Rupert Huber",

note = "Publisher Copyright: {\textcopyright} Optica Publishing Group 2022; 2022 Conference on Lasers and Electro-Optics, CLEO 2022 ; Conference date: 15-05-2022 Through 20-05-2022",

year = "2022",

month = sep,

day = "23",

language = "English",

isbn = "9781665466660",

series = "Conference on Lasers and Electro-optics",

publisher = "Institute of Electrical and Electronics Engineers (IEEE)",

booktitle = "2022 Conference on Lasers and Electro-Optics (CLEO)",

}

Zizlsperger, M, Siday, T, Sandner, F, Brem, S, Perea-Causin, R, Schiegl, F, Nerreter, S, Plankl, M, Merkl, P, Mooshammer, F, Huber, MA, Malic, E & Huber, R 2022, Ultrafast nanoscopy of an excitonic insulator-metal transition in twisted bilayer WSe₂. in 2022 Conference on Lasers and Electro-Optics (CLEO)., FM4N.4, Conference on Lasers and Electro-optics, Institute of Electrical and Electronics Engineers (IEEE), 2022 Conference on Lasers and Electro-Optics, CLEO 2022, San Jose, United States, 15/05/22. <https://ieeexplore.ieee.org/document/9891185>

Ultrafast nanoscopy of an excitonic insulator-metal transition in twisted bilayer WSe₂. / Zizlsperger, Martin; Siday, Thomas; Sandner, Fabian et al.
2022 Conference on Lasers and Electro-Optics (CLEO). Institute of Electrical and Electronics Engineers (IEEE), 2022. FM4N.4 (Conference on Lasers and Electro-optics).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - Ultrafast nanoscopy of an excitonic insulator-metal transition in twisted bilayer WSe2

AU - Zizlsperger, Martin

AU - Siday, Thomas

AU - Sandner, Fabian

AU - Brem, Samuel

AU - Perea-Causin, Raul

AU - Schiegl, Felix

AU - Nerreter, Svenja

AU - Plankl, Markus

AU - Merkl, Philipp

AU - Mooshammer, Fabian

AU - Huber, Markus A.

AU - Malic, Ermin

AU - Huber, Rupert

PY - 2022/9/23

Y1 - 2022/9/23

N2 - Many-body interactions between excitons in a transition-metal dichalcogenide bilayer drive a transition into an electron-hole liquid at high densities. Using ultrafast polarization nanoscopy, we unveil spatiotemporal dynamics of this continuous Mott transition on the nanoscale.

AB - Many-body interactions between excitons in a transition-metal dichalcogenide bilayer drive a transition into an electron-hole liquid at high densities. Using ultrafast polarization nanoscopy, we unveil spatiotemporal dynamics of this continuous Mott transition on the nanoscale.

KW - Liquids

KW - Excitons

KW - Lasers and electrooptics

KW - Nanoscale devices

KW - Laser excitation

KW - Spatiotemporal phenomena

KW - Laser transitions

UR - https://www.scopus.com/pages/publications/85139963635

M3 - Conference contribution

SN - 9781665466660

T3 - Conference on Lasers and Electro-optics

BT - 2022 Conference on Lasers and Electro-Optics (CLEO)

PB - Institute of Electrical and Electronics Engineers (IEEE)

T2 - 2022 Conference on Lasers and Electro-Optics, CLEO 2022

Y2 - 15 May 2022 through 20 May 2022

ER -