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High Frequency Topological Insulator devices for Metrology

Deliverables

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.

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.

Theory: band gap engineering for RF applications

Theoretical modelling for outlining targeted materials properties for single charge TINR device applications A report will be uploaded to the project data repository

Data management plan

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

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.

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Publications

High-Yield Growth and Tunable Morphology of Bi2Se3 Nanoribbons Synthesized on Thermally Dewetted Au

Author(s): Raitis Sondors, Gunta Kunakova, Liga Jasulaneca, Jana Andzane, Edijs Kauranens, Mikhael Bechelany, Donats Erts
Published in: Nanomaterials, 11, no. 8: 2020, 2021, ISSN 2079-4991
Publisher: MDPI
DOI: 10.3390/nano11082020

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, 9/1, 2019, ISSN 2045-2322
Publisher: Nature Publishing Group
DOI: 10.1038/s41598-019-47547-0

Integration of topological insulator Josephson junctions in superconducting qubit circuits

Author(s): Schmitt, Tobias W.; Connolly, Malcolm R.; Schleenvoigt, Michael; Liu, Chenlu; Kennedy, Oscar; Chávez-Garcia, José M.; Jalil, Abdur R.; Bennemann, Benjamin; Trellenkamp, Stefan; Lentz, Florian; Neumann, Elmar; Lindström, Tobias; de Graaf, Sebastian E.; Berenschot, Erwin; Tas, Niels; Mussler, Gregor; Petersson, Karl D.; Grützmacher, Detlev; Schüffelgen, Peter
Published in: Nano Letters, NA, 2022, Page(s) NA, ISSN 1530-6992
Publisher: ACS
DOI: 10.1021/acs.nanolett.1c04055

Two-level systems in superconducting quantum devices due to trapped quasiparticles.

Author(s): S. E. de Graaf; Lara Faoro; Lara Faoro; L. B. Ioffe; L. B. Ioffe; Sumedh Mahashabde; Jonathan Burnett; Tobias Lindström; Sergey Kubatkin; Andrey Danilov; A. Ya. Tzalenchuk; A. Ya. Tzalenchuk
Published in: Science Advances, 11, 2020, Page(s) abc5055, ISSN 2375-2548
Publisher: AAAS
DOI: 10.1126/sciadv.abc5055

Fast Tunable High-Q-Factor Superconducting Microwave Resonators

Author(s): Sumedh Mahashabde, Ernst Otto, Domenico Montemurro, Sebastian de Graaf, Sergey Kubatkin, and Andrey Danilov
Published in: Physical Review Applied, 14, 2020, Page(s) 044040, ISSN 2331-7019
Publisher: APS
DOI: 10.1103/physrevapplied.14.044040

Uniform doping of graphene close to the Dirac point by polymer-assisted assembly of molecular dopants

Author(s): Hans He, Kyung Ho Kim, Andrey Danilov, Domenico Montemurro, Liyang Yu, Yung Woo Park, Floriana Lombardi, Thilo Bauch, Kasper Moth-Poulsen, Tihomir Iakimov, Rositsa Yakimova, Per Malmberg, Christian Müller, Sergey Kubatkin, Samuel Lara-Avila
Published in: Nature Communications, 9/1, 2018, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-018-06352-5

Topological insulator nanoribbon Josephson junctions: evidence for size effect in transport properties

Author(s): Gunta Kunakova, Ananthu P. Surendran, Domenico Montemurro, Matteo Salvato, Dmitry Golubev, Jana Andzane, Donats Erts, Thilo Bauch, Floriana Lombardi
Published in: Journal of Applied Physics, 128(19):194304, 2020, ISSN 1089-7550
Publisher: American Institute of Physics
DOI: 10.1063/5.0022126

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, 10/41, 2018, Page(s) 19595-19602, ISSN 2040-3364
Publisher: Royal Society of Chemistry
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, 9/1, 2019, ISSN 2045-2322
Publisher: Nature Publishing Group
DOI: 10.1038/s41598-019-41178-1

High-Mobility Ambipolar Magnetotransport in Topological Insulator Bi2Se3 Nanoribbons

Author(s): Gunta Kunakova, Thilo Bauch, Xavier Palermo, Matteo Salvato, Jana Andzane , Donats Erts , Floriana Lombardi
Published in: Physical Review Applied, 16,024038(2021), 2021, ISSN 2331-7019
Publisher: American Physical Society
DOI: 10.1103/physrevapplied.16.024038

Quantifying dynamics and interactions of individual spurious low-energy fluctuators in superconducting circuits

Author(s): S. E. de Graaf, S. Mahashabde, S. E. Kubatkin, A. Ya. Tzalenchuk, and A. V. Danilov
Published in: Physical Review B, 103, 2021, Page(s) 174103, ISSN 2469-9969
Publisher: APS
DOI: 10.1103/physrevb.103.174103

Differentiating Majorana from Andreev bound states in a superconducting circuit

Author(s): Konstantin Yavilberg, Eran Ginossar, Eytan Grosfeld
Published in: Physical Review B, 100/24, 2019, ISSN 2469-9950
Publisher: APS Physics
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, 115/17, 2019, Page(s) 172601, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/1.5123554

Correlation analysis of vibration modes in physical vapour deposited Bi2Se3 thin films probed by the Raman mapping technique

Author(s): K. A. Niherysh,J. Andzane,M. M. Mikhalik,S. M. Zavadsky,P. L. Dobrokhotov,F. Lombardi, S. L. Prischepa,I. V. Komissarov, D. Erts
Published in: Nanoscale Advances, 2021,3, 2021, Page(s) 6395-6402, ISSN 2516-0230
Publisher: Cambridge: Royal Society of Chemistry
DOI: 10.1039/d1na00390a

Stoichiometric Bi2Se3 topological insulator ultra-thin films obtained through a new fabrication process for optoelectronic applications

Author(s): Matteo Salvato, Mattia Scagliotti, Maurizio De Crescenzi, Paola Castrucci, Fabio De Matteis, Michele Crivellari, Stefano Pelli Cresi, Daniele Catone, Thilo Bauch and Floriana Lombardi
Published in: Nanoscale, 2020, ISSN 2040-3364
Publisher: Royal Society of Chemistry
DOI: 10.1039/d0nr02725a