# Mapping twist-tuned multiband topology in bilayer WSe            <sub>2</sub>

https://mdr.nims.go.jp/datasets/81ec4dfe-1c00-4b7c-a98a-c0a4c270c20a

## File

- [2024A00453G_tWSe2_MainText_040924_Combined.pdf](https://mdr.nims.go.jp/filesets/488aa9c5-7b67-4355-90f5-e1ac9dcd6b23/download) ([Detail](https://mdr.nims.go.jp/filesets/488aa9c5-7b67-4355-90f5-e1ac9dcd6b23.md))

## Id

81ec4dfe-1c00-4b7c-a98a-c0a4c270c20a

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2025-07-17T04:09:35.420144Z

## Updated at

2025-07-22T03:30:31.279273Z

## Published at

2025-07-22T03:19:06.390157Z

## Doi



## First published url

https://doi.org/10.1126/science.adi4728

## Date published

2024-04-19

## Recorded date published

2024-4-19

## Resource type

journal_article

## Manuscript type

accepted_manuscript

## Collection



## Title

- title: Mapping twist-tuned multiband topology in bilayer WSe            <sub>2</sub>
  title_type: original
  lang: en

## Description

- description: Semiconductor moiré superlattices have been shown to host a wide array
    of interaction-driven ground states. However, twisted homobilayers have been difficult
    to study in the limit of large moiré wavelengths, where interactions are most
    dominant. In this study, we conducted local electronic compressibility measurements
    of twisted bilayer WSe2 (tWSe2) at small twist angles. We demonstrated multiple
    topological bands that host a series of Chern insulators at zero magnetic field
    near a “magic angle” around 1.23°. Using a locally applied electric field, we
    induced a topological quantum-phase transition at one hole per moiré unit cell.
    Our work establishes the topological phase diagram of a generalized Kane-Mele-Hubbard
    model in tWSe2, demonstrating a tunable platform for strongly correlated topological
    phases.
  description_type: abstract
  lang: en

## Creator

- name: Benjamin A. Foutty
  role: author
- name: Carlos R. Kometter
  role: author
- name: Trithep Devakul
  role: author
- name: Aidan P. Reddy
  role: author
- name: Kenji Watanabe
  role: author
  orcid: https://orcid.org/0000-0003-3701-8119
  organization: National Institute for Materials Science
- name: Takashi Taniguchi
  role: author
  orcid: https://orcid.org/0000-0002-1467-3105
  organization: National Institute for Materials Science
- name: Liang Fu
  role: author
- name: Benjamin E. Feldman
  role: author

## Contact agent



## Publisher

organization: American Association for the Advancement of Science (AAAS)

## Managing organization



## Keyword

- subject: moiré superlattices
  schema: not_defined
- subject: Chern insulators
  schema: not_defined
- subject: topological quantum-phase transition
  schema: not_defined

## Rights

- description: "This is the author’s version of the work. It is posted here by\r\npermission
    of the AAAS for personal use, not for redistribution. The definitive version was\r\npublished
    in Science on Vol 384, 18 Apr 2024, DOI: 10.1126/science.adi4728."
  identifier: http://rightsstatements.org/vocab/InC/1.0/

## Other identifier(s)



## Data origin

- data_origin_type: other

## Embargo



## Journal

- title: Science
  issn: '10959203'
  volume: '384'
  issue: '6693'
  start_page: 343
  end_page: 347

## Conference



## Related item



## Funding



## Instrument



## Instrument operator



## Instrument managing organization



## Measurement method



## Specimen



## Chemical composition



## Structure for specimen



## Structural feature for specimen



## Specific property for specimen



## Process for specimen treatment



## Computational method



## Energy level/transition state



## Software



## Custom property



## Fileset

- id: 488aa9c5-7b67-4355-90f5-e1ac9dcd6b23
  filename: 2024A00453G_tWSe2_MainText_040924_Combined.pdf
  content_type: application/pdf
  size: 17078484
  md5: a68c5a619e9ab92c9da14bcbf39b671d

## Thumbnail

fileset_id: 488aa9c5-7b67-4355-90f5-e1ac9dcd6b23
filename: 2024A00453G_tWSe2_MainText_040924_Combined.pdf