Dissipationless topological channels for information transfer and quantum metrology

Resultado final

Design rules critical operational parameters and testing schemes for primary quantum resistance standards

Technology opportunities for topological phononic devices
Topological transport of phonons

Report on the transport of phonons via topologically protected edge and interface states both for few and 100s GHz phonons and a benchmarking of photon emission and transport between edge states and topologically trivial waveguides Progress towards lossless and robust transport will be presented

Synthesis of single-crystal and monolayer magnetic TMDCs

Report on the synthesis and relevant characterizations of 1T TMDCs and on the innovations in the technology to fabricate the devices The report will assess the magnetic response in terms of the type and density of doping and defect concentration

Growth of doped-(Bi,Sb)2Te3 and (Bi,Sb)2Te3/FMI heterostructures

Report on the developments related the growth and characterization (structural, electrical, magnetic). The report will assess the performance in terms of the stability of the ferromagnetic phase and the observed QAHE. It will include the fabrication protocols to reduce the contact resistance.

Topological photonic waveguides

Report on the propagation loss lengths in waveguides with topologically protected photonic modes The advantages of such a system over topologically trivial waveguides will be discussed and key areas for optimization of topological photonic waveguides will be identified

Design of topological waveguides

Layout and report of the designs of topological waveguides for photons, phonons and combination of the two. The report will focus on design features that limit propagation losses, and create hybrid photon-phonon systems, including those where both are topologically protected and where topological photonic waveguides overlap with phononic bandgaps. Layouts for fabrication (dxf files) will be included. These designs will provide input to Task 1.4 in WP1 for device fabrication. The report will also include fabrication details.

Communication tools

Communication tools, project identity, website, logo.

Publicaciones

Absence of Magnetic Proximity Effect at the Interface of Bi 2 Se

Autores: A. I. Figueroa, F. Bonell, M. G. Cuxart, M. Valvidares, P. Gargiani, G. van der Laan, A. Mugarza, S. O. Valenzuela
Publicado en: Physical Review Letters, Edición 125/22, 2020, ISSN 0031-9007
Editor: American Physical Society
DOI: 10.1103/physrevlett.125.226801

Brillouin scattering selection rules in polarization-sensitive photonic resonators

Autores: A. Rodriguez*, P. Priya*, E. Cardozo de Oliveira, L. Le Gratiet, I. Sagnes, M. Morassi, A. Lemaître, F. Pastier, L. Lanco, M. Esmann, N. D. Lanzillotti-Kimura
Publicado en: ACS Photonics, Edición 10, 2023, Página(s) 1687, ISSN 2330-4022
Editor: American Chemical Society
DOI: 10.1021/acsphotonics.3c00186

Control of spin–charge conversion in van der Waals heterostructures

Autores: R. Galceran, B. Tian, J. Li, F. Bonell, M. Jamet, C. Vergnaud, A. Marty, J. H. García, J. F. Sierra, M. V. Costache, S. Roche, S. O. Valenzuela, A. Manchon, X. Zhang, U. Schwingenschlögl
Publicado en: APL Materials, Edición 9, 2021, Página(s) 100901, ISSN 2166-532X
Editor: AIP Publishing
DOI: 10.1063/5.0054865

Negligible thermal contributions to the spin pumping signal in ferromagnetic metal–platinum bilayers

Autores: Paul Noël, Maxen Cosset-Cheneau, Victor Haspot, Vincent Maurel, Christian Lombard, Manuel Bibes, Agnès Barthelemy, Laurent Vila, Jean-Philippe Attané
Publicado en: Journal of Applied Physics, Edición 127/16, 2020, Página(s) 163907, ISSN 0021-8979
Editor: American Institute of Physics
DOI: 10.1063/5.0004614

Metamagnetism of Weakly Coupled Antiferromagnetic Topological Insulators

Autores: Aoyu Tan, Valentin Labracherie, Narayan Kunchur, Anja U. B. Wolter, Joaquin Cornejo, Joseph Dufouleur, Bernd Büchner, Anna Isaeva, Romain Giraud
Publicado en: Physical Review Letters, Edición 124/19, 2020, ISSN 0031-9007
Editor: American Physical Society
DOI: 10.1103/physrevlett.124.197201

On-demand source of dual-rail photon pairs based on chiral interaction in a nanophotonic waveguide

Autores: F. T. Østfeldt, E. M. González-Ruiz, N. Hauff, Y. Wang, A. D. Wieck, A. Ludwig, R. Schott, L. Midolo, A. S. Sørensen, R. Uppu, and P. Lodahl
Publicado en: PRX Quantum, Edición 3, 2022, Página(s) 020363, ISSN 2691-3399
Editor: APS
DOI: 10.1103/prxquantum.3.020363

The 2021 quantum materials roadmap

Autores: Feliciano Giustino, Jin Hong Lee, Felix Trier, Manuel Bibes, Stephen M Winter, Roser Valentí, Young-Woo Son, Louis Taillefer, Christoph Heil, Adriana I Figueroa, Bernard Plaçais, QuanSheng Wu, Oleg V Yazyev, Erik P A M Bakkers, Jesper Nygård, Pol Forn-Díaz, Silvano De Franceschi, J W McIver, L E F Foa Torres, Tony Low, Anshuman Kumar, Regina Galceran, Sergio O Valenzuela, Marius V Costache, Au
Publicado en: Journal of Physics: Materials, Edición 3/4, 2020, Página(s) 042006, ISSN 2515-7639
Editor: Journal of Physics: Materials
DOI: 10.1088/2515-7639/abb74e

Antiferromagnetic order in MnBi2Te4 films grown on Si(1 1 1) by molecular beam epitaxy

Autores: N. Liu, S. Schreyeck, K.M. Fijalkowski, M. Kamp, K. Brunner, C. Gould, L.W. Molenkamp
Publicado en: Journal of Crystal Growth, Edición 591, 2022, Página(s) 12667, ISSN 0022-0248
Editor: Elsevier BV
DOI: 10.1016/j.jcrysgro.2022.126677

Quantum anomalous Hall edge channels survive up to the Curie temperature

Autores: K. M. Fijalkowski, N. Liu, P. Mandal, S. Schreyeck, K. Brunner, C. Gould, L. W. Molenkamp
Publicado en: Nature Communications, Edición 12, 2021, Página(s) 5599, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/s41467-021-25912-w

Hinge Spin Polarization in Magnetic Topological Insulators Revealed by Resistance Switch

Autores: Pablo M. Perez-Piskunow, Stephan Roche
Publicado en: Physical Review Letters, Edición 126/16, 2021, ISSN 0031-9007
Editor: American Physical Society
DOI: 10.1103/physrevlett.126.167701

Chiral quantum optics in broken-symmetry and topological photonic crystal waveguides

Autores: Hauff, N., Hughes, S., Jeannic, H. L., Lodahl, P., & Rotenberg, N
Publicado en: Phys. Rev. Res., Edición 4, 2022, Página(s) 023082, ISSN 2643-1564
Editor: APS
DOI: 10.1103/physrevresearch.4.023082

Direct Deposition of (BixSb1–x)2Te3 Nanosheets on Si/SiO2 Substrates by Chemical Vapor Transport

Autores: Hansen, R. Fucke, T. Charvin, S. Froeschke, D. Wolf, R. Giraud, J. Dufouleur, N. Gräßler, B. Büchner, P. Schmidt, and S. Hampel,
Publicado en: Cryst. Growth Des, Edición 22, 2022, Página(s) 2354, ISSN 1528-7483
Editor: American Chemical Society
DOI: 10.1021/acs.cgd.1c01446

Fiber-integrated microcavities for efficient generation of coherent acoustic phonons

Autores: O. Ortiz, F. Pastier, A. Rodriguez, Priya, A. Lemaitre, C. Gomez-Carbonell, I. Sagnes, A. Harouri, P. Senellart, V. Giesz, M. Esmann, N. D. Lanzillotti-Kimura
Publicado en: Applied Physics Letters, Edición 117/18, 2020, Página(s) 183102, ISSN 0003-6951
Editor: American Institute of Physics
DOI: 10.1063/5.0026959

Engineering nanoscale hypersonic phonon transport

Autores: O. Florez, G. Arregui, M. Albrechtsen, R. C. Ng, J. Gomis-Bresco, S. Stobbe, C. M. Sotomayor Torres and P. D. Garcia
Publicado en: Nature Nano, Edición 17, 2022, Página(s) 947, ISSN 1748-3387
Editor: Nature Publishing Group
DOI: 10.1038/s41565-022-01178-1

Computation of topological phase diagram of disordered Pb 1 − x Sn x Te

Autores: Dániel Varjas, Michel Fruchart, Anton R. Akhmerov, Pablo M. Perez-Piskunow
Publicado en: Physical Review Research, Edición 2/1, 2020, ISSN 2643-1564
Editor: Physical Review Research
DOI: 10.1103/physrevresearch.2.013229

Electrical control of spin-polarized topological currents in monolayer WTe2.

Autores: J. H. Garcia, J. You, M. García-Mota, P. Koval, P. Ordejon, R. Cuadrado, M. J. Verstraete, Z. Zanolli, S. Roche
Publicado en: Phys. Rev. B, Edición 106, 2022, Página(s) L161410, ISSN 2469-9969
Editor: APS
DOI: 10.1103/physrevb.106.l161410

Resolving spin currents and spin densities generated by charge-spin interconversion in systems with reduced crystal symmetry

Autores: Camosi, Lorenzo; Camosi, Lorenzo; Světlík, Josef; Světlík, Josef; Costache, Marius V.; Costache, Marius V.; Savero Torres, Williams; Savero Torres, Williams; Fernández Aguirre, Iván; Fernández Aguirre, Iván; Marinova, Vera; Dimitrov, Dimitre; Gospodinov, Marin; Sierra, Juan F.; Valenzuela, Sergio O.
Publicado en: 2D Materials, Edición 9, 2022, Página(s) 035014, ISSN 2053-1583
Editor: IOP
DOI: 10.1088/2053-1583/ac6fec

Milliwatt terahertz harmonic generation from topological insulator metamaterials

Autores: Klaas-Jan Tielrooij; Alessandro Principi; David Saleta Reig; Alexander Block; Sebin Varghese; Steffen Schreyeck; Karl Brunner; Grzegorz Karczewski; Igor Ilyakov; Oleksiy Ponomaryov; Thales V. A. G. de Oliveira; Min Chen; Jan-Christoph Deinert; Carmen Gomez Carbonell; Sergio O. Valenzuela; Laurens W. Molenkamp; Tobias Kiessling; Georgy V. Astakhov; Sergey Kovalev
Publicado en: Light: Science and Applications, Edición 11, 2022, Página(s) 315, ISSN 2047-7538
Editor: Nature Publishing Group
DOI: 10.1038/s41377-022-01008-y

Fiber-based angular filtering for high-resolution Brillouin spectroscopy in the 20-300 GHz frequency range

Autores: A. Rodriguez, P. Priya, O. Ortiz, P. Senellart, C. Gomez-Carbonell, A. Lemaître, M. Esmann, N. D. Lanzillotti-Kimura
Publicado en: Optics Express, Edición 29/2, 2021, Página(s) 2637, ISSN 1094-4087
Editor: Optical Society of America
DOI: 10.1364/oe.415228

Anisotropic optical response of WTe2 single crystals studied by ellipsometric analysis

Autores: Krastyo Buchkov, Rosen Todorov, Penka Terziyska Marin Gospodinov, Velichka Strijkova, Dimitre Dimitrov and Vera Marinova
Publicado en: Nanomaterials, Edición 11, 2021, Página(s) 2262, ISSN 2079-4991
Editor: MDPI
DOI: 10.3390/nano11092262

Molecular Approach for Engineering Interfacial Interactions in Magnetic/Topological Insulator Heterostructures

Autores: Marc G. Cuxart, Miguel Angel Valbuena, Roberto Robles, César Moreno, Frédéric Bonell, Guillaume Sauthier, Inhar Imaz, Heng Xu, Corneliu Nistor, Alessandro Barla, Pierluigi Gargiani, Manuel Valvidares, Daniel Maspoch, Pietro Gambardella, Sergio O. Valenzuela, Aitor Mugarza
Publicado en: ACS Nano, Edición 14/5, 2020, Página(s) 6285-6294, ISSN 1936-0851
Editor: American Chemical Society
DOI: 10.1021/acsnano.0c02498

Magnetic order in 3D topological insulators—Wishful thinking or gateway to emergent quantum effects?

Autores: A. I. Figueroa, T. Hesjedal, N.-J. Steinke
Publicado en: Applied Physics Letters, Edición 117/15, 2020, Página(s) 150502, ISSN 0003-6951
Editor: American Institute of Physics
DOI: 10.1063/5.0027987

Macroscopic Quantum Tunneling of a Topological Ferromagnet

Autores: K. M. Fijalkowski, N. Liu, P. Mandal, S. Schreyeck, K. Brunner, C. Gould, L. W. Molenkamp
Publicado en: Adv. Science, Edición 10, 2023, Página(s) 2303165, ISSN 2198-3844
Editor: Wiley_VCH
DOI: 10.1002/advs.202303165

Van der Waals heterostructures for spintronics and opto-spintronics

Autores: J. F. Sierra, J. Fabian, R. K. Kawakami, St. Roche, S. O. Valenzuela
Publicado en: Nature Nano, Edición 16, 2021, Página(s) 856, ISSN 1748-3387
Editor: Nature Publishing Group
DOI: 10.1038/s41565-021-00936-x

High-temperature intrinsic quantum anomalous Hall effect in rare Earth monohalide

Autores: Menghao Wu
Publicado en: 2D Materials, Edición 4/2, 2017, Página(s) 021014, ISSN 2053-1583
Editor: Under Review
DOI: 10.1088/2053-1583/aa5c63

Canted Persistent Spin Texture and Quantum Spin Hall Effect in WTe 2

Autores: Jose H. Garcia, Marc Vila, Chuang-Han Hsu, Xavier Waintal, Vitor M. Pereira, Stephan Roche
Publicado en: Physical Review Letters, Edición 125/25, 2020, ISSN 0031-9007
Editor: American Physical Society
DOI: 10.1103/physrevlett.125.256603

Topological optical and phononic interface mode by simultaneous band inversion

Autores: O. Ortiz, P. Priya, A. Rodriguez, A. Lemaitre, M. Esmann, N. D. Lanzillotti-Kimura
Publicado en: Optica, Edición 8/5, 2021, Página(s) 598, ISSN 2334-2536
Editor: Optica
DOI: 10.1364/optica.411945

Any axion insulator must be a bulk three-dimensional topological insulator

Autores: K. M. Fijalkowski, N. Liu, M. Hartl, M. Winnerlein, P. Mandal, A. Coschizza, A. Fothergill, S. Grauer, S. Schreyeck, K. Brunner, M. Greiter, R. Thomale, C. Gould, L. W. Molenkamp
Publicado en: Physical Review B, Edición 103/23, 2021, ISSN 2469-9950
Editor: Physical Review
DOI: 10.1103/physrevb.103.235111

Quantifying the Robustness of Topological Slow Light

Autores: Guillermo Arregui, Jordi Gomis-Bresco, Clivia M. Sotomayor-Torres, Pedro David Garcia
Publicado en: Physical Review Letters, Edición 126/2, 2021, ISSN 0031-9007
Editor: American Physical Society
DOI: 10.1103/physrevlett.126.027403

Coherent generation and detection of acoustic phonons in topological nanocavities

Autores: G. Arregui, O. Ortíz, M. Esmann, C. M. Sotomayor-Torres, C. Gomez-Carbonell, O. Mauguin, B. Perrin, A. Lemaître, P. D. García, N. D. Lanzillotti-Kimura
Publicado en: APL Photonics, Edición 4/3, 2019, Página(s) 030805, ISSN 2378-0967
Editor: American Institute of Physics
DOI: 10.1063/1.5082728

Valley-polarized quantum anomalous Hall phase in bilayer graphene with layer-dependent proximity effects

Autores: Marc Vila; Jose H. Garcia; Stephan Roche; Stephan Roche
Publicado en: Phys Rev B, Edición 104, 2021, Página(s) L16113, ISSN 1550-235X
Editor: APS
DOI: 10.1103/physrevb.104.l161113

Bilinear Magnetoresistance in HgTe Topological Insulator: Opposite Signs at Opposite Surfaces Demonstrated by Gate Control

Autores: Y. Fu, J. Li, J. Papin, P. Noël, S. Teresi, M. Cosset-Chéneau, C. Grezes, T. Guillet, C. Thomas, Y.-M. Niquet, P. Ballet, T. Meunier, J-P. Attané, A. Fert, and L. Vila
Publicado en: Nano Lett., Edición 22, 2022, Página(s) 7867, ISSN 1530-6984
Editor: American Chemical Society
DOI: 10.1021/acs.nanolett.2c02585

Experimental demonstration of a magnetically induced warping transition in a topological insulator mediated by rare-earth surface dopants

Autores: Beatriz Muñiz Cano; Yago Ferreiros; Pierre A. Pantaleón; Ji Dai; Massimo Tallarida; Adriana I. Figueroa; Vera Marinova; Kevin García-Díez; Aitor Mugarza; Sergio O. Valenzuela; Rodolfo Miranda; Julio Camarero; Francisco Guinea; Jose Angel Silva-Guillén; Miguel A. Valbuena
Publicado en: Nano Lett., Edición 23, 2023, Página(s) 6249, ISSN 1530-6992
Editor: ACS
DOI: 10.1021/acs.nanolett.3c00587

Low-symmetry topological materials for large charge-to-spin interconversion: The case of transition metal dichalcogenide monolayers.

Autores: M. Vila, C.-H. Hsu, J. H. Garcia, L A. Benítez, X. Waintal, S. O Valenzuela, V. M. Pereira, S. Roche
Publicado en: Phys. Rev. Res., Edición 3, 2021, Página(s) 043230, ISSN 2643-1564
Editor: APS
DOI: 10.1103/physrevresearch.3.043230

Valley-Polarized Quantum Anomalous Hall Phase in Bilayer Graphene with Layer-Dependent Proximity Effects

Autores: M. Vila, J. H. Garcia, S. Roche
Publicado en: 2021
Editor: -

Quantum anomalous Hall edge channels survive up to the Curie temperature

Autores: K. M. Fijalkowski, N. Liu, P. Mandal, S. Schreyeck, K. Brunner, C. Gould, L. W. Molenkamp
Publicado en: Nature Communications, 2021
Editor: Nature Communications (under review)

Meta-magnetism of weakly-coupled antiferromagnetic topological insulators

Autores: Aoyu Tan, Valentin Labracherie, Narayan Kunchur, Anja U.B. Wolter, Joaquin Cornejo, Joseph Dufouleur, Bernd Büchner, Anna Isaeva, Romain Giraud
Publicado en: Physical Review Letters, 2020
Editor: Physical Review Letters

Absence of magnetic-proximity effect at the interface of Bi2Se3 and (Bi,Sb)2Te3 with EuS

Autores: A. I. Figueroa, F. Bonell, M. G. Cuxart, M. Valvidares, G. van der Laan, A. Mugarza, and S. O. Valenzuela.
Publicado en: Physical Review Letters, 2020
Editor: Physical Review Letters

Computation of topological phase diagram of disordered Pb1−xSnxTe using the kernel polynomial method

Autores: D. Varjas, M. Fruchart, A. R. Akhmerov, and P. M. Perez-Piskunow
Publicado en: Physical Review Research., 2020
Editor: APS

Hybrid kernel polynomial method

Autores: A. Akhmerov, M. Irfan, P. M. Perez-Piskunow, D. Varjas and M. Wimmer
Publicado en: SciPost, 2020
Editor: SciPost

Charge-to-Spin Interconversion in Low-Symmetry Topological Materials

Autores: M. Vila, C.-H. Hsu, J. H Garcia, L A. Benítez, X. Waintal, S. O Valenzuela, V. M Pereira, S. Roche
Publicado en: 2020
Editor: -
DOI: 10.21203/rs.3.rs-124172/v1

Chiral Anomaly Trapped in Weyl Metals: Nonequilibrium Valley Polarization at Zero Magnetic Field

Autores: P. M. Perez-Piskunow, N Bovenzi, AR Akhmerov, M Breitkreiz
Publicado en: 2021
Editor: -

Anisotropic optical response of WTe2 single crystals studied by ellipsometric analysis

Autores: K. Buchkov, R.Todorov, P. Terziyska M. Gospodinov, V. Strijkova, D. Dimitrov and V. Marinova
Publicado en: 2021
Editor: Under review

Electromechanical Brillouin Scattering, in: Brillouin Scattering

Autores: H. Li, O. Florez, B. Pan, G. Madiot, C. M. Sotomayor Torres and M. Li
Publicado en: Semiconductors and Semimetals, Edición 110, 2022, Página(s) 287, ISBN 978-0-323-98931-2
Editor: Elsevier
DOI: 10.1016/bs.semsem.2022.05.007

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