SpIn-orbitronic QuAntum bits in Reconfigurable 2D-Oxides

Project Information

IQARO

Grant agreement ID: 101115190

DOI

10.3030/101115190

EC signature date 31 July 2023

Start date 1 October 2023

End date 30 September 2027

Funded under

• The European Innovation Council (EIC)

Total cost

€ 3 717 545,25

EU contribution

€ 3 717 545,25

Coordinated by

CONSIGLIO NAZIONALE DELLE RICERCHE
Italy

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Deliverables

Documents, reports (11)

Epitaxial growth of oxide membranes STO on Si

Report on the optimization of oxide-membranes transfer process on silicon (DTU, CNR) and of STO epitaxial films grown by MBE on Silicon (RIBER) on small scales for the realization and optimization of oxide 2DEGs on Silicon.

Fabrication of a single QD on LAO/STO

Report on the E-beam lithography for single QDs fabrication with device geometry suggested by theory (CHALMERS, DTU). Analysis of finite bias conductance to monitor transport channels (DTU, CNRS).

Fabrication of a tunable LAO/STO QD and DQD on Si and detailed spectroscopy as a function of field and gate

Report on split-gate tunable barriers on oxide-2DEG on Si, characterization fabrication of oxide-2DEG QDs on Si– measure spectrum as a function of tunnel coupling, dot occupation, and field. Report on extraction of g-factors, SOI, level-spacing, charging energies, sign of U; Fabrication of tunable oxide DQD on Silicon (DTU, CNRS). Characterization of individual dots and the interdot coupling (DTU, CHALMERS).

Demonstration of transfer of membranes, contacting and local gating of oxide quantum devices on Si

Report on methods to establish multiple electrical contacting of membranes on silicon and to perform electrical characterization at low temperature of characteristic parameters (DTU). Report on local gate control – bottom and/or top gates - oxide membrane devices on Si. Benchmark the gate-coupling at low T (DTU, CNR, THALES).

Study of Edelstein and spin Hall effect in confined nanostructures

Theoretical study of spin-charge interconversion (in nanostructures at the STO-based interfaces, using multiband Hamiltonians with SOC in the presence of confining potentials. Report on the derivation of the low-temperature figure of merit and study of spin transport properties

Spectroscopy of a single QD and analysis of the decoherence

Report on the bias spectroscopy of the QD to obtain information on SOC strength, Landè factor g (DTU, CNRS). Analysis of the characteristic decoherence times T1, T2 and T2* for a single QD based, with focus on the role of SOC and hyperfine interaction decay channels (THALES, CNR, AGH).

Large scale oxide-2DEGs on Si

Report on the growth and optimization of ultrahigh quality, thick epitaxial STO films on large scale Silicon (300 mm) wafers by MBE. Report on ex-situ deposition (PLD, MBE) of AlOx or LaAlO3 on TiO2 terminated, STO/Si films for the realization of oxide 2DEGs on Si on large area and their magneto-transport characterizations.

Simulation of transport under application of microwaves

Report on the modelling DQD’s transport properties by scattering-theory and non-equilibrium Green’s function based on Hamiltonian including SOC and time-dependent tunnelling induced by microwaves.

Dissemination and communication plan

Document providing a summary of IQARO as a whole as well as dissemination objectives and the identified stakeholders and users. Definition of the Dissemination and Communication Board.

Characterization of DQDs by the transport measurements

Report on the realization of oxide-2DEGs DQDs using electrostatic confinement in split-gate and side-gate geometries. Report on the characterization of transport properties and voltage bias spectroscopy.

Theoretical modelling of oxide 2DEGs

Report on the study of realistic multi-orbital model hamiltonians of oxide 2DEGs, including SOC, treated by tight-binding approaches and Green’s function formalism to study buk properties and optize growth parameters in T1.2.

Data Management Plan (2)

RP1 Update of Data Management Plan

RP1-Update of Data Management Plan with the inclusion in the repository of data and reports from the consortium.

RP2 Update of Data Management Plan

RP2-Update Data Management Plan with the inclusion in the repository of data and reports from the consortium.

Demonstrators, pilots, prototypes (1)

Coherent spin manipulation in oxides

Report on the theoretical analysis of swap polarization and gate-fidelity with configuration interaction approaches (AGH, CNR); Experimental realization of oxide DQDs hosting a single electron spin; Experimental characterization of EDSR induced coherent spin dynamics, read-out by Pauli spin blockade. (CNRS, CHALMERS).

Websites, patent fillings, videos etc. (1)

Website creation, project logo, creation of project account on major social networks

Definition of the project visual identity, logo and web site creation. Accounts will be opened on the major social networks.

Publications

Peer reviewed articles (24)

Applied Physics Letters

Author(s): Guarcello C, Bergeret F.S. and Citro R.
Published in: Applied Physics Letters, Issue 123, 2023, ISSN 0003-6951
Publisher: AIP Publishing
DOI: 10.48550/ARXIV.2307.07751

Witnessing environment induced topological phase transitions via quantum Monte Carlo and cluster perturbation theory studies

Author(s): Pavan F., De Candia A., Di Bello G., Cataudella V., Nagaosa N., Perroni C.A. and De Filippis G.
Published in: Physical Review B, Issue 109, 2024, ISSN 2469-9950
Publisher: Americal Physical Society (APS)
DOI: 10.48550/ARXIV.2309.04719

"Scaled tight-binding model for a two-dimensional electron gas at the (001) <mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML"" display=""inline""><mml:msub><mml:mrow><mml:mi>La</mml:mi><mml:mi>Al<"

Author(s): Paweł Wójcik, Roberta Citro, Bartłomiej Szafran
Published in: Physical Review Applied, Issue 23, 2025, ISSN 2331-7019
Publisher: American Physical Society (APS)
DOI: 10.1103/PHYSREVAPPLIED.23.054051

Probing Topological Superconductivity of oxide nanojunctions using fractional Shapiro steps

Author(s): Guarcello C., Maiellaro A., Settino J., Gaiardoni I., Trama M., Romeo F. and Citro R.
Published in: Chaos, Solitons and Fractals, Issue 189, 2024, ISSN 0960-0779
Publisher: Elsevier BV
DOI: 10.48550/arXiv.2407.09923

Theory of charge-to-spin conversion under quantum confinement

Author(s): Alfonso Maiellaro, Francesco Romeo, Mattia Trama, Irene Gaiardoni, Jacopo Settino, Claudio Guarcello, Nicolas Bergeal, Manuel Bibes, Roberta Citro
Published in: Physical Review Research, Issue 7, 2025, ISSN 2643-1564
Publisher: American Physical Society (APS)
DOI: 10.1103/ZPVY-T4D4

Local ergotropy and its fluctuations across a dissipative quantum phase transition

Author(s): G Di Bello, D Farina, D Jansen, C A Perroni, V Cataudella, G De Filippis
Published in: Quantum Science and Technology, Issue 10, 2024, ISSN 2058-9565
Publisher: IOP Publishing
DOI: 10.1088/2058-9565/AD9CBB

Bipolar thermoelectrical SQUIPT (BTSQUIPT)

Author(s): Guarcello C., Citro R., Giazotto F. and Braggio A.
Published in: Applied Physics Letters, Issue 123, 2023, ISSN 0003-6951
Publisher: AIP Publishing
DOI: 10.48550/ARXIV.2307.07751

Loss and decoherence in superconducting circuits on silicon: Insights from electron spin resonance

Author(s): Jayaraman A., Danilov A.V., Bylander J. and Kubatkin S.E.
Published in: Physical Review Applied, Issue 1, 2024, ISSN 2331-7019
Publisher: Americal Physical Society (APS)
DOI: 10.48550/ARXIV.2402.03889

Engineered Josephson diode effect in kinked Rashba nanochannels

Author(s): Maiellaro A., Trama M., Settino J., Guarcello C., Romeo F. and Citro R.
Published in: SciPost Physics, Issue 17, 2024, ISSN 2542-4653
Publisher: Stichting SciPost
DOI: 10.48550/ARXIV.2405.17269

Optimal encoding of two dissipative interacting qubits

Author(s): Di Bello G., De Filippis G., Hamma A. and Perroni C.A.
Published in: Physical Review B, Issue 109, 2024, ISSN 2469-9950
Publisher: American Physical Society (APS)
DOI: 10.48550/ARXIV.2310.05561

Platforms for the realization and characterization of Tomonaga–Luttinger liquids

Author(s): Isabelle Bouchoule, Roberta Citro, Timothy Duty, Thierry Giamarchi, Randall G. Hulet, Martin Klanjšek, Edmond Orignac, Bent Weber
Published in: Nature Reviews Physics, Issue 7, 2025, ISSN 2522-5820
Publisher: Springer Science and Business Media LLC
DOI: 10.1038/S42254-025-00866-W

Quantum Fisher information as a witness of non-Markovianity and criticality in the spin-boson model

Author(s): D. Parlato, G. Di Bello, F. Pavan, G. De Filippis, C. A. Perroni
Published in: Physical Review B, Issue 112, 2025, ISSN 2469-9950
Publisher: American Physical Society (APS)
DOI: 10.48550/ARXIV.2508.16413

Nonlinear anomalous Edelstein response at altermagnetic interfaces

Author(s): Mattia Trama, Irene Gaiardoni, Claudio Guarcello, Jorge I. Facio, Alfonso Maiellaro, Francesco Romeo, Roberta Citro, Jeroen van den Brink
Published in: Physical Review B, Issue 112, 2025, ISSN 2469-9950
Publisher: American Physical Society (APS)
DOI: 10.48550/ARXIV.2410.18036

Effect of electrostatic confinement on the dome-shaped superconducting phase diagram at the LaAlO3/SrTiO3 interface

Author(s): Paweł Wójcik, Bartłomiej Szafran, Julian Czarnecki, Roberta Citro & Michał Zegrodnik
Published in: Scientific report, Issue 14, ISSN 2045-2322
Publisher: The Nature Publishing group
DOI: 10.5281/ZENODO.14987028

Lindblad master equation approach to the dissipative quench dynamics of planar superconductors

Author(s): Nava A., Perroni C.A., Egger R., Lepori L. and Giuliano D.
Published in: Physical Review B, Issue 24, 2023, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.48550/arXiv.2308.08264

Electrical spin manipulation in Sr⁢Ti⁢O3 La⁢Al⁢O3 double quantum dots

Author(s): B. Szafran and P. Wojcik and M. Zegrodnik and M. P. Nowak and R. Citro
Published in: Physical Review Applied, Issue 22, ISSN 2331-7019
Publisher: American Physical Society (APS)
DOI: 10.5281/ZENODO.14987027

Electric dipole spin resonance in a single- and two-electron quantum dot defined in two-dimensional electron gas at the SrTiO3 LaAlO3 interface

Author(s): Szafran, B. and Zegrodnik, M. and Nowak, M.P. and Citro, R. and Wojcik, P.
Published in: Physical Review B, Issue 109, ISSN 2469-9950
Publisher: American Physical Society (APS)
DOI: 10.48550/ARXIV.2312.13862

Local ergotropy dynamically witnesses many-body localized phases

Author(s): F. Formicola, G. Di Bello, G. De Filippis, V. Cataudella, D. Farina, C. A. Perroni
Published in: Physical Review Research, Issue 7, 2025, ISSN 2643-1564
Publisher: American Physical Society (APS)
DOI: 10.1103/2Z1G-RGR9

Signatures of Polar Metal Phase in the Quasi-2D Electron System in PLD-Grown Amorphous-Epitaxial Oxide Heterostructures

Author(s): Alessia Sambri, Yu Chen, Federico Mazzola, Emiliano Di Gennaro, Andrea Rubano, Martando Rath, Domenico Paparo, Marco Caputo, Alla Chikina, Deepak Kumar, Vladimir N. Strocov, Marco Salluzzo, Fabio Mile
Published in: Nano Letters, Issue 25, 2025, ISSN 1530-6984
Publisher: American Chemical Society (ACS)
DOI: 10.1021/ACS.NANOLETT.5C03409

Environment induced dynamical quantum phase transitions in two-qubit Rabi model

Author(s): Grazia Di Bello, Andrea Ponticelli, Fabrizio Pavan, Vittorio Cataudella, Giulio De Filippis, Antonio de Candia, Carmine Antonio Perroni
Published in: Communications Physics, Issue 7, 2024, ISSN 2399-3650
Publisher: Springer Science and Business Media LLC
DOI: 10.1038/S42005-024-01855-8

Dirac-like fermions anomalous magneto transport in a spin polarized oxide 2D electron system

Author(s): Chen Y., D’Antuono M., Trama M., Preziosi D., Jouault B.;, Teppe F., Consejo C., Perroni C.A., Citro R., Stornaiuolo D. and Salluzzo M.
Published in: Advanced Materials, Issue 37, 2024, ISSN 0935-9648
Publisher: Wiley
DOI: 10.48550/ARXIV.2406.14029

"Scanning gate microscopy probing of anisotropic electron flow in a two-dimensional electron gas at the (110) <mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML""><mml:mrow><mml:msub><mml:mi>LaAlO"

Author(s): M. P. Nowak, M. Zegrodnik, D. Grzelec, B. Szafran, R. Citro, P. Wójcik
Published in: Physical Review B, Issue 112, 2025, ISSN 2469-9950
Publisher: American Physical Society (APS)
DOI: 10.1103/FR4N-V9VQ

Spin Hall and Edelstein effects in a ballistic quantum dot with Rashba spin-orbit coupling

Author(s): Alfonso Maiellaro, Francesco Romeo, Mattia Trama, Jacopo Settino, Claudio Guarcello, Carmine Antonio Perroni, Pawel Wójcik, Bartłomiej Szafran, Daniela Stornaiuolo, Marco Salluzzo, Thomas Sand Jaspersen, Nicolas Bergeal, Manuel Bibes, Roberta Citro
Published in: SciPost Physics, Issue 20, 2026, ISSN 2542-4653
Publisher: Stichting SciPost
DOI: 10.48550/ARXIV.2602.02036

Edelstein Effect in Isotropic and Anisotropic Rashba Models

Author(s): Irene Gaiardoni, Mattia Trama, Alfonso Maiellaro, Claudio Guarcello, Francesco Romeo, Roberta Citro
Published in: Condensed Matter, Issue 10, 2025, ISSN 2410-3896
Publisher: MDPI AG
DOI: 10.3390/CONDMAT10010015