group-IV LASer and deTectors on Si-TEchnology Platform

Project Information

LASTSTEP

Grant agreement ID: 101070208

DOI

10.3030/101070208

EC signature date 8 December 2022

Start date 1 January 2023

End date 30 June 2026

Funded under

• Digital, Industry and Space

Total cost

€ 4 181 092,75

EU contribution

€ 4 181 092,00

Coordinated by

COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
France

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

Data Management Plan (1)

Data Management Plan

Documents, reports (2)

Project website
Communication and dissemination tools

Publications

Peer reviewed articles (21)

Adaptive Epitaxy of C‐Si‐Ge‐Sn: Customizable Bulk and Quantum Structures

Author(s): Omar Concepción, Ambrishkumar J. Devaiya, Marvin H. Zoellner, Markus A. Schubert, Florian Bärwolf, Lukas Seidel, Vincent Reboud, Andreas T. Tiedemann, Jin‐Hee Bae, Alexei Tchelnokov, Qing‐Tai Zhao, Christopher A. Broderick, Michael Oehme, Giovanni Capellini, Detlev Grützmacher, Dan Buca
Published in: Advanced Materials, Issue 37, 2025, ISSN 0935-9648
Publisher: Wiley
DOI: 10.1002/ADMA.202506919

Room Temperature Lattice Thermal Conductivity of GeSn Alloys

Author(s): Omar Concepción, Jhonny Tiscareño-Ramírez, Ada Angela Chimienti, Thomas Classen, Agnieszka Anna Corley-Wiciak, Andrea Tomadin, Davide Spirito, Dario Pisignano, Patrizio Graziosi, Zoran Ikonic, Qing Tai Zhao, Detlev Grützmacher, Giovanni Capellini, Stefano Roddaro, Michele Virgilio, Dan Buca
Published in: ACS Applied Energy Materials, Issue 7, 2024, ISSN 2574-0962
Publisher: American Chemical Society (ACS)
DOI: 10.1021/acsaem.4c00275

Ex-situ n-type doped carrier-injection layers in direct bandgap GeSn LEDs

Author(s): L. Casiez, C. Cardoux, P. Acosta Alba, N. Bernier, J. Richy, N. Pauc, V. Calvo, N. Coudurier, P. Rodriguez, O. Concepción, D. Buca, M. Frauenrath, J.M. Hartmann, A. Chelnokov, V. Reboud
Published in: Materials Science in Semiconductor Processing, Issue 182, 2024, ISSN 1369-8001
Publisher: Elsevier BV
DOI: 10.1016/j.mssp.2024.108654

Direct Bandgap Ge_0.846Sn_0.154 Photodiodes for Gas Sensing in the Mid-Wave Infrared

Author(s): Clément Cardoux, Lara Casiez, Eric Kroemer, Marvin Frauenrath, Jérémie Chrétien, Nicolas Pauc, Vincent Calvo, Jean-Michel Hartmann, Olivier Lartigue, Christophe Constancias, Pierre Barritault, Nicolas Coudurier, Philippe Rodriguez, Aurélie Vandeneynde, Philippe Grosse, Olivier Gravrand, Alexei Chelnokov, Vincent Reboud
Published in: IEEE Journal of Selected Topics in Quantum Electronics, Issue 31, 2025, ISSN 1077-260X
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.1109/JSTQE.2024.3520704

IEEE Journal on Selected Topics in Quantum Electronics

Author(s): Teren Liu; Lukas Seidel; Omar Concepción; Vincent Reboud; Alexei Chelnokov; Giovanni Capellini; Michael Oehme; Detlev Grützmacher; Dan Buca
Published in: IEEE Journal of Selected Topics in Quantum Electronics, 2025, ISSN 1077-260X
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.34734/FZJ-2024-06516

Impact of flows, temperature and pressure on the GeSn growth kinetics with a digermane and tin tetrachloride chemistry

Author(s): J.M. Hartmann, T. Marion
Published in: Materials Science in Semiconductor Processing, Issue 169, 2023, ISSN 1369-8001
Publisher: Elsevier BV
DOI: 10.1016/j.mssp.2023.107893

An assessment of germane and tin tetrachloride for GeSn epitaxy

Author(s): J.M. Hartmann, T. Marion
Published in: Journal of Crystal Growth, Issue 667, 2025, ISSN 0022-0248
Publisher: Elsevier BV
DOI: 10.1016/J.JCRYSGRO.2025.128280

Modeling and Design of GeSn Avalanche Photodiodes With High Tin Content for Applications at 3.3 μm

Author(s): Lorenzo Finazzi, Raffaele Giani, Omar Concepción, Dan Buca, Vincent Reboud, Giovanni Isella, Alberto Tosi
Published in: IEEE Journal of Selected Topics in Quantum Electronics, Issue 31, 2024, ISSN 1077-260X
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.1109/JSTQE.2024.3439495

Use of Nanosecond Laser Annealing for Thermally Stable Ni(GeSn) Alloys

Author(s): Andrea Quintero, Pablo Acosta Alba, Jean-Michel Hartmann, David Cooper, Patrice Gergaud, Vincent Reboud, Philippe Rodriguez
Published in: IEEE Journal of the Electron Devices Society, Issue 11, 2023, ISSN 2168-6734
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.1109/JEDS.2023.3332094

Isothermal Heteroepitaxy of Ge_1–<i>x</i>Sn_<i>x</i> Structures for Electronic and Photonic Applications

Author(s): Omar Concepción, Nicolaj B. Søgaard, Jin-Hee Bae, Yuji Yamamoto, Andreas T. Tiedemann, Zoran Ikonic, Giovanni Capellini, Qing-Tai Zhao, Detlev Grützmacher, Dan Buca
Published in: ACS Applied Electronic Materials, Issue 5, 2023, ISSN 2637-6113
Publisher: American Chemical Society (ACS)
DOI: 10.1021/acsaelm.3c00112

Dynamics of thermal-induced Sn segregation in GeSn at the nanometer scale

Author(s): Jaime Segura-Ruiz, Valentina Bonino, Martin Rosenthal, Nicolas Pauc, Vincent Calvo, Marvin Frauenrath, Clement Cardoux, Jean-Michel Hartmann, Alexei Chelnokov, Vincent Reboud
Published in: Journal of Alloys and Compounds, Issue 1020, 2025, ISSN 0925-8388
Publisher: Elsevier BV
DOI: 10.1016/J.JALLCOM.2025.179435

Toward thermally stable Ni(GeSn) contacts using pre-amorphization by implantation or nanosecond laser annealing

Author(s): Andrea Quintero; Marianne Coig; Frédéric Mazen; Pablo Acosta-Alba; Jean-Michel Hartmann; Patrice Gergaud; Vincent Reboud; Philippe Rodriguez
Published in: MRS Advances, 2024, ISSN 2059-8521
Publisher: Springer International
DOI: 10.1557/S43580-024-01026-5

Advances in GeSn alloys for MIR applications

Author(s): V. Reboud, O. Concepción, W. Du, M. El Kurdi, J.M. Hartmann, Z. Ikonic, S. Assali, N. Pauc, V. Calvo, C. Cardoux, E. Kroemer, N. Coudurier, P. Rodriguez, S.-Q. Yu, D. Buca, A. Chelnokov
Published in: Photonics and Nanostructures - Fundamentals and Applications, Issue 58, 2024, ISSN 1569-4410
Publisher: Elsevier BV
DOI: 10.1016/j.photonics.2024.101233

Nature Communications

Author(s): Lukas Seidel; Teren Liu; Omar Concepción; Bahareh Marzban; Vivien Kiyek; Davide Spirito; Daniel Schwarz; Aimen Benkhelifa; Jörg Schulze; Zoran Ikonic; Jean-Michel Hartmann; Alexei Chelnokov; Jeremy Witzens; Giovanni Capellini; Michael Oehme; Detlev Grützmacher; Dan Buca
Published in: Nature Communications, 2024, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.18154/RWTH-2024-12200

Si–Ge–Sn alloys grown by chemical vapour deposition: a versatile material for photonics, electronics, and thermoelectrics

Author(s): D. Grützmacher, O. Concepción, Q.-T. Zhao, D. Buca
Published in: Applied Physics A, Issue 129, 2023, ISSN 0947-8396
Publisher: Springer Science and Business Media LLC
DOI: 10.1007/s00339-023-06478-4

Spin Pumping in Epitaxial Ge_1‐xSn_x Alloys

Author(s): Emanuele Longo; Omar Concepción; Roberto Mantovan; Marco Fanciulli; Maksym Myronov; Emiliano Bonera; Jacopo Pedrini; Dan Buca; Fabio Pezzoli
Published in: Advanced Quantum Technologies, 2024, ISSN 2511-9044
Publisher: Wiley
DOI: 10.1002/QUTE.202400508

Phase‐Coherent Transport in GeSn Alloys on Si

Author(s): Prateek Kaul; Omar Concepción; Daan H. Wielens; Patrick Zellekens; Chuan Li; Zoran Ikonic; Koji Ishibashi; Qing‐Tai Zhao; Alexander Brinkman; Detlev Grützmacher; Dan Buca
Published in: Advanced Electronic Materials, 2024, ISSN 2199-160X
Publisher: Wiley
DOI: 10.34734/FZJ-2024-06046

Low-Resistance and Thermally Stable Ohmic Contacts on n-GeSn Using Ni and Ti Metallization

Author(s): Nicolas Coudurier, Andrea Quintero, Robin Pellerin, Maël Robin, Jean-Michel Hartmann, Vincent Reboud, Philippe Rodriguez
Published in: IEEE Transactions on Electron Devices, Issue 72, 2025, ISSN 0018-9383
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.1109/TED.2025.3542347

Thermal conductivity of GeSn alloys: a CMOS candidate for energy harvesting applications

Author(s): Jhonny Tiscareño Ramirez, Salvador Gallardo Hernandez, Oliver Krause, Omar Concepción, Detlev Grützmacher, Dan Buca
Published in: Revista Tecnología en Marcha, 2024, ISSN 2215-3241
Publisher: Instituto Tecnologico de Costa Rica
DOI: 10.18845/tm.v37i5.7218

Luminescence properties of GeSn laser materials: Influence of buffered substrates

Author(s): Martin Aagaard, Omar Concepción, Dan Buca, Zoran Ikonic, Brian Julsgaard
Published in: Journal of Applied Physics, Issue 138, 2025, ISSN 0021-8979
Publisher: AIP Publishing
DOI: 10.1063/5.0281958

Photonic ge-based platforms for mid-infrared applications

Author(s): Reboud, V.; Hartmann, J. M.; Serna, S.; Stoll, K.; Monat, C.; Grillet, C.
Published in: Photoniques, 2024, ISSN 1629-4475
Publisher: French Optical Society
DOI: 10.1051/PHOTON/202412552

Conference proceedings (4)

On demand control of the strain state in Ge-GeSn microbridges

Author(s): Antoine Bard, Vincent Calvo, Vincent Reboud, Gwenael Le Rhun, Jean-Michel Hartmann, Nicolas Pauc
Published in: Silicon Photonics XX, 2025
Publisher: SPIE
DOI: 10.1117/12.3045193

CW electrically pumped GeSn/SiGeSn MQW lasers

Author(s): O. Concepción, L. Seidel, T. Liu, G. Capellini, M. Oehme, D. Grützmacher, D. Buca
Published in: 2025 IEEE Silicon Photonics Conference (SiPhotonics), 2025
Publisher: IEEE
DOI: 10.1109/SIPHOTONICS64386.2025.10985491

Innovative Annealing Technology for Thermally Stable Ni(GeSn) Alloys

Author(s): Andrea Quintero, Pablo Acosta Alba, Jean-Michel Hartmann, Patrice Gergaud, Vincent Reboud, Philippe Rodriguez
Published in: 2023 21st International Workshop on Junction Technology (IWJT), Issue 269, 2024
Publisher: IEEE
DOI: 10.23919/IWJT59028.2023.10175097

Enhancing the Detectivity of Direct Bandgap Ge_0.86Sn_0.14 Photodiodes by Layer Transfer

Author(s): C. Cardoux, E. Kroemer, L. Casiez, M. Frauenrath, N. Pauc, V. Calvo, S. Assali, J.M. Hartmann, N. Coudurier, P. Rodriguez, J. Chrétien, J. Widiez, O. Gravrand, A. Chelnokov, V. Reboud
Published in: 2024 IEEE Silicon Photonics Conference (SiPhotonics), Issue 8, 2024
Publisher: IEEE
DOI: 10.1109/SiPhotonics60897.2024.10544244