Bilayer graphene interface with a Quantum Twisting Microscope

Màster Oficial de Ciència i Tecnologia Quàntiques / Quantum Science and Technology, Facultat de Física, Universitat de Barcelona. Curs: 2023-2024. Tutora: Carmen Rubio Verdú

Detalles Bibliográficos
Autor: Martín Rodríguez, Alejandro
Tipo de recurso: tesis de maestría
Fecha de publicación:2024
País:España
Institución:Universidad de Barcelona
Repositorio:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/215218
Acceso en línea:https://hdl.handle.net/2445/215218
Access Level:acceso abierto
Palabra clave:Materials 2D
Grafè
Treballs de fi de màster
Single-layer materials
Graphene
Master's thesis
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spelling Bilayer graphene interface with a Quantum Twisting MicroscopeMartín Rodríguez, AlejandroMaterials 2DGrafèTreballs de fi de màsterSingle-layer materialsGrapheneMaster's thesisMàster Oficial de Ciència i Tecnologia Quàntiques / Quantum Science and Technology, Facultat de Física, Universitat de Barcelona. Curs: 2023-2024. Tutora: Carmen Rubio VerdúMoiré physics, which studies the novel properties that arise when two or more 2D crystals are stacked with a twist between their layers, has unveiled unique electronic, optical, and mechanical properties, revolutionizing condensed matter physics. This thesis explores the use of the Quantum Twisting Microscope (QTM) to investigate the electronic properties of twisted bilayer graphene with in-situ control over the twist angle. The QTM is a novel scanning probe that enables dynamic rotation of 2D crystals, something unachievable before the development of the technique. The primary objective of the current work is to demonstrate our QTM’s capabilities in conducting in-situ twistronics experiments and detail the fabrication methods required for it. The experimental setup includes our own QTM which is created by adapting a commercial Atomic Force Microscope (AFM). The main modifications are a unique van der Waals tip and a modified sample stage that allows for twist angle control between the tip and sample. Our experience has demonstrated the importance of maintaining high quality standards in the fabrication of tips and samples to ensure succesful experiments. The main result of this thesis is the development of the fabrication techniques needed to achieve highly-clean surfaces in both parts of the QTM. This achievement has allowed us to reproduce previously reported behavior of the conductance across a twisted bilayer graphene interface. The successful implementation of our setup demonstrates its potential as a powerful tool for exploring moiré physics and engineering novel quantum states in 2D materials.Rubio Verdú, Carmen2024info:eu-repo/semantics/masterThesisapplication/pdfhttps://hdl.handle.net/2445/215218Màster Oficial - Ciència i Tecnologia Quàntiques / Quantum Science and Technologyreponame:Dipòsit Digital de la UBinstname:Universidad de BarcelonaIngléscc-by-nc-nd (c) Martín, 2024http://creativecommons.org/licenses/by-nc-nd/3.0/es/info:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/2152182026-05-27T06:46:51Z
dc.title.none.fl_str_mv Bilayer graphene interface with a Quantum Twisting Microscope
title Bilayer graphene interface with a Quantum Twisting Microscope
spellingShingle Bilayer graphene interface with a Quantum Twisting Microscope
Martín Rodríguez, Alejandro
Materials 2D
Grafè
Treballs de fi de màster
Single-layer materials
Graphene
Master's thesis
title_short Bilayer graphene interface with a Quantum Twisting Microscope
title_full Bilayer graphene interface with a Quantum Twisting Microscope
title_fullStr Bilayer graphene interface with a Quantum Twisting Microscope
title_full_unstemmed Bilayer graphene interface with a Quantum Twisting Microscope
title_sort Bilayer graphene interface with a Quantum Twisting Microscope
dc.creator.none.fl_str_mv Martín Rodríguez, Alejandro
author Martín Rodríguez, Alejandro
author_facet Martín Rodríguez, Alejandro
author_role author
dc.contributor.none.fl_str_mv Rubio Verdú, Carmen
dc.subject.none.fl_str_mv Materials 2D
Grafè
Treballs de fi de màster
Single-layer materials
Graphene
Master's thesis
topic Materials 2D
Grafè
Treballs de fi de màster
Single-layer materials
Graphene
Master's thesis
description Màster Oficial de Ciència i Tecnologia Quàntiques / Quantum Science and Technology, Facultat de Física, Universitat de Barcelona. Curs: 2023-2024. Tutora: Carmen Rubio Verdú
publishDate 2024
dc.date.none.fl_str_mv 2024
dc.type.none.fl_str_mv info:eu-repo/semantics/masterThesis
format masterThesis
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/215218
url https://hdl.handle.net/2445/215218
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.rights.none.fl_str_mv cc-by-nc-nd (c) Martín, 2024
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv cc-by-nc-nd (c) Martín, 2024
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv Màster Oficial - Ciència i Tecnologia Quàntiques / Quantum Science and Technology
reponame:Dipòsit Digital de la UB
instname:Universidad de Barcelona
instname_str Universidad de Barcelona
reponame_str Dipòsit Digital de la UB
collection Dipòsit Digital de la UB
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,812429

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