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Publications

Our Publications

REBCO tapes for applications in ultra-high fields: critical current surface and scaling relations
Carmine Senatore, Marco Bonura and Tommaso Bagni

Superconductor science and technology 37 11, 115013 (2024)

REBa2Cu3O 7− x (REBCO) tapes produced by leading manufacturers were tested at UNIGE to characterize the dependence of the critical current on temperature, field intensity and orientation. This measurement campaign was carried out in the frame of international…

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Conceptual design of an HTS Canted Cosine Theta dipole magnet for research and hadron therapy accelerators
E. De Matteis, A. Ballarino, D. Barna, A. Carloni, A. Echeandia, G. Kirby, T. Lecrevisse, J. Lucas, S. Mariotto, J. van Nugteren, M. Prioli, L. Rossi, Carmine Senatore, M. Sorbi, S. Sorti, M. Statera, F. Toral and R.u. Valente

IEEE transactions on applied superconductivity 34 5, 4402505 (2024)

The European project IFAST’s WP8 Innovative Superconducting Magnets aims to develop the technology of Canted Cosine Theta (CCT) magnets wound with High-Temperature Superconductors (HTS). Superconducting magnets could lower the size and cost of synchrotrons and gantries for research and hadron…

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Influence of the heat treatment on the layer JC of internal-Sn Nb3Sn wires with internally oxidized nanoparticles
Francesco Lonardo, Gianmarco Bovone, Florin Buta, Marco Bonura, Tommaso Bagni, B. Medina-Clavijo, A. Ballarino, S. C. Hopkins, T. Boutboul and Carmine Senatore

IEEE transactions on applied superconductivity 34 5, 6000305 (2024)

We evaluated various heat treatments (HT) for maximizing the Nb 3 Sn layer thickness while retaining a refined grain microstructure in low filament count internal-Sn Nb 3 Sn Rod-In-Tube wires with internally oxidized nanoparticles. These wires were manufactured in our…

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X-Ray Absorption Spectroscopy to investigate precipitated oxides in Nb 3 Sn wires with an internal oxygen source
Gianmarco Bovone, Florin Buta, Francesco Lonardo, Marco Bonura, C. N. Borca, T. Huthwelker, S.c. Hopkins, A. Ballarino, T. Boutboul and Carmine Senatore

IEEE transactions on applied superconductivity 34 3, 6000205 (2024)

Internal oxidation can achieve significantly enhanced Jc in Nb 3 Sn wires, but the mechanism of oxygen transport and oxide precipitation is not fully understood. Our investigation employs X-ray Absorption Near-Edge Structure (XANES) spectroscopy, revealing insights into the…

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Estimation of Physical and Electrical Properties of Various REBCO Tapes for Construction of Very-High-Field REBCO Magnet
Jung-Bin Song, Xavier Chaud, François Debray, Kévin Paillot, Philippe Fazilleau, Thibault Lécrevisse, Thomas Herrmannsdörfer, Carmine Senatore, Marc Dhallé and Anis Smara

IEEE transactions on applied superconductivity 34 5 (2024)

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Planar deposition of Nb thin films by HiPIMS for superconducting radiofrequency applications
Carlota Pereira de Alemida Carlos, Stewart Leith, Guillaume Rosaz, Stephan Pfeiffer and Carmine Senatore

Vacuum 227, 113354 (2024)

Cost efficiency and sustainability are critical challenges for future accelerator machines. Nb-coated Cu (Nb/Cu) superconducting radiofrequency (SRF) accelerating cavities, while requiring R&D to meet high acceleration gradient performance standards, show potential for addressing these challenges….

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Investigating the effect of rolling deformation on the electro-mechanical limits of Nb3Sn wires produced by RRP® and PIT technologies
Tommaso Bagni, Ciro Calzolaio, Gianmarco Bovone, José Ferradas Troitino, Christian Barth, A. Ballarino and Carmine Senatore

Superconductor science and technology 37 9, 095013 (2024)

Future high-field magnets for particle accelerators hinge on the crucial development of advanced Nb3Sn wires engineered to withstand the large stresses generated during magnet assembly and operation. The superconducting properties of Nb3Sn enable the design of compact…

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Thickness effect on superconducting properties of niobium films for radio-frequency cavity applications
Antonio Bianchi, Marco Bonura, Carlota Pereira de Alemida Carlos, Stewart Leith, Guillaume Rosaz, Carmine Senatore and Walter Venturini Delsolaro

Superconductor science and technology 37 8, 085005 (2024)

Niobium-coated copper radio-frequency cavities are cost-effective alternatives to bulk niobium cavities, given the lower material costs of copper substrates and their operation in liquid helium at around 4.2 K. However, these cavities historically exhibited a gradual degradation in performance…

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Magnets for a Muon Collider—Needs and Plans
L. Bottura, C. Accettura, N. Amemiya, B. Auchmann, J.s. Berg, A. Bersani, A. Bertarelli, F. Boattini, B. Bordini, P. Borges de Sousa, M. Breschi, B. Caiffi, X. Chaud, F. Debray, A. Dudarev, M. Eisterer, S. Fabbri, S. Farinon, P. Ferracin, H. De Gersem, A. Kario, A. Kolehmainen, J. Kosse, J. Lorenzo Gomez, R. Losito, S. Mariotto, M. Mentink, T. Mulder, R. Musenich, D. Novelli, T. Ogitsu, M. Palmer, J. Pavan, H. Piekarz, A. Portone, L. Quettier, E. Rochepault, L. Rossi, T. Salmi, H. Schneider-Muntau, Carmine Senatore, M. Statera, H.h.j. Ten Kate, P. Testoni, G. Vallone, A. Verweij, R. Van Weelderen, M. Wozniak, A. Yamamoto, Y. Yang, Y. Zhai and A. Zlobin

IEEE transactions on applied superconductivity 34 5 (2024)

We describe the magnet challenges for a Muon Collider, an exciting option considered for the future of particle physics at the energy frontier. Starting from the comprehensive work performed by the US Muon Accelerator Program, we have reviewed the performance specifications dictated by beam physics …

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Focus on recent advances in superconducting films
Pablo Cayado Llosa, Jens Hänisch, Kazumasa Iida and Carmine Senatore

Superconductor science and technology 36 9, 090401 (2023)

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Degradation of Ic due to residual stress in high-performance Nb3Sn wires submitted to compressive transverse force
Carmine Senatore, Tommaso Bagni, José Ferradas Troitino, B Bordini and A Ballarino

Superconductor science and technology 36 7, 075001 (2023)

Future particle colliders in search for new physics at the energy frontier require the development of accelerator magnets capable of producing fields well beyond those attainable with Nb-Ti. As the next generation of high-field accelerator magnets is presently planned to be based on Nb 3

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Contact Resistance Between REBCO Coated Conductors in the Presence of a V2O3 Inter-Layer
Marco Bonura, Gianmarco Bovone, Pablo Cayado Llosa and Carmine Senatore

IEEE transactions on applied superconductivity 33 5 (2023)

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Roadmap on artificial intelligence and big data techniques for superconductivity
Mohammad Yazdani-Asrami, Wenjuan Song, Antonio Morandi, Giovanni De Carne, Joao Murta-Pina, Anabela Pronto, Roberto Oliveira, Francesco Grilli, Enric Pardo, Michael Parizh, Boyang Shen, Tim Coombs, Tiina Salmi, Di Wu, Eric Coatanea, Dominic A Moseley, Rodney A Badcock, Mengjie Zhang, Vittorio Marinozzi, Nhan Tran, Maciej Wielgosz, Andrzej Skoczeń, Dimitrios Tzelepis, Sakis Meliopoulos, Nuno Vilhena, Guilherme Sotelo, Zhenan Jiang, Veit Große, Tommaso Bagni, Diego Mauro, Carmine Senatore, Alexey Mankevich, Vadim Amelichev, Sergey Samoilenkov, Tiem Leong Yoon, Yao Wang, Renato P Camata, Cheng-Chien Chen, Ana Maria Madureira and Ajith Abraham

Superconductor science and technology 36 4, 043501 (2023)

This paper presents a roadmap to the application of AI techniques and big data (BD) for different modelling, design, monitoring, manufacturing and operation purposes of different superconducting applications. To help superconductivity researchers, engineers, and manufacturers understand the…

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Towards a muon collider

European physical journal. C, Particles and fields 83 9, 864 (2023)

A muon collider would enable the big jump ahead in energy reach that is needed for a fruitful exploration of fundamental interactions. The challenges of producing muon collisions at high luminosity and 10 TeV centre of mass energy are being investigated by the recently-formed International Muon…

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Effects of the oxygen source configuration on the superconducting properties of internally-oxidized internal-Sn Nb3Sn wires
Gianmarco Bovone, Florin Buta, Francesco Lonardo, Tommaso Bagni, Marco Bonura, D. LeBoeuf, S.c. Hopkins, T. Boutboul, A. Ballarino and Carmine Senatore

Superconductor science and technology 36 9, 095018 (2023)

We successfully manufactured 12-filament rod-in-tube Nb$_{3}$Sn wires with oxide nanoparticles formed by the internal oxidation method. We employed Nb-7.5 wt%Ta-1 wt%Zr and Nb-7.5 wt%Ta-2 wt% Hf alloys along with oxygen sources (OSs) in two different configurations—in the core of Nb filaments…

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Impact of deoxygenation/reoxygenation processes on the superconducting properties of commercial coated conductors
Pablo Cayado Llosa, Marco Bonura, Celia Lucas Esparseil, Enora Saule, Hannes Rijckaert, Tommaso Bagni, Konstantina Konstantopoulou, Matteo Alessandrini and Carmine Senatore

Scientific reports 13 1, 16917 (2023)

We report the evolution of the superconducting properties of a commercial coated conductor during deoxygenation and reoxygenation processes. By analyzing the changes on the critical temperature, T c , and critical current density, J c , at 4 and 77 K, we have identified the…

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