High Frequency Topological Insulator devices for Metrology

Deliverables

Websites, patent fillings, videos etc. (1)

Webpage, logotype and social media presence

Design project logotype, set up project webpage available for the public, and set up the framework for dissemination of results via social media.

Other (2)

Model for TI QD charge confinement

Develop a theoretical tool that can be used to guide the design of devices based on charge confinement in TINRs. A report will be uploaded to the project data repository.

Models for microwave-TI interaction in devices

Develop a theoretical tool to model how microwave radiation interacts with TINR devices with terminals. A report will be uploaded to the project data repository.

Open Research Data Pilot (1)

Data management plan

Complete the project data management plan and make it available to all project partners.

Demonstrators, pilots, prototypes (2)

Measurements on TIs coupled to resonators

Report on microwave reflectometry measurements of TINR placed in a superconducting resonator. Relevant data will be uploaded to project data repository.

2-port nanoscale microwave imaging

Develop capability of two-port microwave measurements of nano-devices using a cryogenic probe-station. Validate by measuring the microwave transmission of a conducting substrate. Relevant data and a short report will be uploaded to project data repository.

Publications

Peer reviewed articles (5)

Surface structure promoted high-yield growth and magnetotransport properties of Bi2Se3 nanoribbons

Author(s): Gunta Kunakova, Raimonds Meija, Jana Andzane, Uldis Malinovskis, Gvido Petersons, Margarita Baitimirova, Mikhael Bechelany, Thilo Bauch, Floriana Lombardi, Donats Erts
Published in: Scientific Reports, Issue 9/1, 2019, ISSN 2045-2322
DOI: 10.1038/s41598-019-47547-0

Bulk-free topological insulator Bi 2 Se 3 nanoribbons with magnetotransport signatures of Dirac surface states

Author(s): Gunta Kunakova, Luca Galletti, Sophie Charpentier, Jana Andzane, Donats Erts, François Léonard, Catalin D. Spataru, Thilo Bauch, Floriana Lombardi
Published in: Nanoscale, Issue 10/41, 2018, Page(s) 19595-19602, ISSN 2040-3364
DOI: 10.1039/c8nr05500a

Effect of graphene substrate type on formation of Bi2Se3 nanoplates

Author(s): Jana Andzane, Liga Britala, Edijs Kauranens, Aleksandrs Neciporenko, Margarita Baitimirova, Samuel Lara-Avila, Sergey Kubatkin, Mikhael Bechelany, Donats Erts
Published in: Scientific Reports, Issue 9/1, 2019, ISSN 2045-2322
DOI: 10.1038/s41598-019-41178-1

Differentiating Majorana from Andreev bound states in a superconducting circuit

Author(s): Konstantin Yavilberg, Eran Ginossar, Eytan Grosfeld
Published in: Physical Review B, Issue 100/24, 2019, ISSN 2469-9950
DOI: 10.1103/PhysRevB.100.241408

High transparency Bi 2 Se 3 topological insulator nanoribbon Josephson junctions with low resistive noise properties

Author(s): Gunta Kunakova, Thilo Bauch, Edoardo Trabaldo, Jana Andzane, Donats Erts, Floriana Lombardi
Published in: Applied Physics Letters, Issue 115/17, 2019, Page(s) 172601, ISSN 0003-6951
DOI: 10.1063/1.5123554