The results obtained during the USE GAO project were presented at international conferences and published in international journals.
Papers in international journals:
1) M. Girolami, M. Bosi, S. Pettinato, C. Ferrari, R. Lolli, L. Seravalli, V. Serpente, M. Mastellone, D.M. Trucchi, and R. Fornari: “Structural and Photoelectronic Properties of κ-Ga2O3 Thin Films Grown on Polycrystalline Diamond Substrates”, Materials 17 (2024) 519; https://doi.org/10.3390/ma17020519
2) Maura Pavesi, Antonella Parisini, Pietro Calvi, Alessio Bosio and Roberto Fornari: “Effects of the Interface Properties on the Performance of UV-C Photoresistors: Gallium Oxide as Case Study”, Sensors 25 (2025) 345, https://doi.org/10.3390/s25020345
3) F. Mattei, D. Vurro, D. Spoltore, M. Pavesi, P. Rajabi Kalvani, S. Pasini, G. Foti, P. D’Angelo, A. Bosio, A. Baraldi, F. Mezzadri, P. Mazzolini, S. Vantaggio, M. Bosi, L. Seravalli, G. Tarabella, A. Parisini, R. Fornari: “Planar hybrid UV-C photodetectors based on aerosol-jet printed PEDOT:PSS on different Ga2O3 thin films”, Materials Today Physics 51 (2025) 101663; https://doi.org/10.1016/j.mtphys.2025.101663
4) Andrea Asteriti, Giovanni Verzellesi, Giovanna Sozzi, Andrea Baraldi, Piero Mazzolini, Abderrahim Moumen, Antonella Parisini, Maura Pavesi, Matteo Bosi, Roberto Mosca, Luca Seravalli, Roberto Fornari: “Photo-Gain Effect in κ-Ga2O3 UV-C Photoresistors Induced by Trapping of Photogenerated Holes”, Phys. Status Solidi B (2025) 2400581 https://doi.org/10.1002/pssb.202400581
5) Lewis T. Penman, Zak M. Johnston, Paul R. Edwards, Yuichi Oshima, Clifford McAleese, Piero Mazzolini, Matteo Bosi, Luca Seravalli, Roberto Fornari, Robert W. Martin, Fabien C.-P. Massabuau: “Comparative study of the optical properties of α-, β-, and κ-Ga2O3”, Phys. Status Solidi B (2025) 240615 https://doi.org/10.1002/pssb.202400615
6) Francesco Stancari, Francesco Pattini, Francesco Mezzadri, Giulia Spaggiari, Stefano Rampino, Antonella Parisini, Maura Pavesi, Andrea Baraldi, Marzio Rancan, Lidia Armelao, Roberto Fornari: “Tetravalent element doping of β-Ga₂O₃ films grown by pulsed electron deposition technique”, Journal of Alloys and Compounds 1027 (2025) 180581; https://doi.org/10.1016/j.jallcom.2025.180581
7) A. Moumen, P. Rajabi Kalvani, F. Mattei, G. Foti, A. Parisini, R. Mosca, M. Pavesi, M. Bosi, L. Seravalli, F. Mezzadri, A. Baraldi, P. Mazzolini, S. Vantaggio, A. Bosio, R. Fornari: “Self-powered NiO/κ-Ga2O3 heterojunction photodiode for fast broadband ultraviolet (UV) radiation detection”, Optical Materials 165 (2025) 117125; https://doi.org/10.1016/j.optmat.2025.117125
8) Tarak Hidouri, Lucia Nasi, Claudio Ferrari, Elena Ferrari, Matteo Bosi, Philippe Rodriguez, Luca Seravalli, Andrea Pedrielli, Roberto Fornari: “Single-phase κ-Ga2O3 films deposited by metal-organic chemical vapor deposition on GaAs and ternary BxGa(1-x)As templates”, Appl. Surf. Sci. 708 (2025) 163764 https://doi.org/10.1016/j.apsusc.2025.163764
9) A. Asteriti, A. Moumen, G. Sozzi, F. Mattei, P. Rajabi Kalvani, M. Bosi, R. Mosca, L. Seravalli, M. Pavesi, A. Parisini, A. Baraldi, P. Mazzolini, R. Fornari, G. Verzellesi: “Coupled experimental and TCAD analysis of NiO/Ga2O3 photodiodes for UV-C detection applications”, Proc. of SPIE, Conference 13583: UV and Higher Energy Photonics: From Materials to Applications 2025, SPIE Optics+Photonics, San Diego (USA), Aug. 3-7, 2025, in press
Conferences:
International Workshop on Gallium Oxide and Related Materials, 26 – 31 May, 2024, Berlin, Germany
R. Fornari, MOVPE growth and properties of orthorhombic κ-Ga2O3 (invited)
F. Mattei, A. Parisini, D. Spoltore, G. Tarabella, D. Vurro, P. D’Angelo, M. Pavesi, A. Bosio, P. Mazzolini, M. Bosi, L. Seravalli, R. Fornari, Self-powered photodetector based on the PEDOT:PSS/Ga2O3 organic–inorganic hybrid heterojunction
P. Rajabi Kalvani, A. Parisini, M. Pavesi, O. Bierwagen, K. Egbo, P. Mazzolini, S. Vantaggio, F. Mattei, M. Bosi, L. Seravalli and R. Fornari, Assessment of trapping phenomena in SnO/κ-Ga2O3 p/n heterojunction by photocurrent measurements
A.Sacchi, F. Mezzadri, A. Ardenghi, O. Bierwagen, J. Lähnemann, H. Tornatzky, M. R. Wagner, H. Nishinaka, R. Fornari, P. Mazzolini, Molecular beam epitaxy of (001)κ-Ga2O3 thin films on ε-GaFeO3 substrates
P. Mazzolini, J.B. Varley, A. Parisini, A. Sacchi, M. Pavesi, A. Bosio, M. Bosi, L. Seravalli, B.M. Janzen, M.R. Wagner, A. Ardenghi, O. Bierwagen, A. Falkenstein, J. Kler, R. A. De Souza, M. Martin, F. Mezzadri, C. Borelli and R. Fornari, Annealing effect on shallow and deep level defects in κ-Ga2O3 thin films
M. Janzen, N. Hajizadeh, M. Meißner, M. N. Marggraf, C. V. Hartung, A. Wüthrich, N. Bernhardt, F. Nippert, Z. Galazka, P. Mazzolini, A. Sacchi, M. Bosi, L. Seravalli, R. Fornari, C. Petersen, H. von Wenckstern, M. Grundmann, A. Ardenghi, O. Bierwagen, T. Oshima, T. Kato, H. Nishinaka and M. R. Wagner, Comparative Study of Temperature-Dependent Bandgap Transitions in Ga2O3 Polymorphs
L. Penman, Z. Johnston, Y. Oshima, C. McAleese, P. Mazzolini, M. Bosi, L. Seravalli, R. Fornari and F. Massabuau, Comparative study of the optical properties of α-, β-, and κ-Ga2O3
H.J. von Bardeleben, A.Parisini, P.Mazzolini, A.Bosio, M.Bosi, L.Seravalli, R.Fornari, A combined EPR and electrical transport study of Si doped κ-Ga2O3/Al2O3 thin films
E-MRS Fall Meeting 2024, 16-19 September 2024, Warsaw (Poland)
Abderrahim Moumen, Francesco Mattei, Gianluca Foti, Payam Rajabi Kalvani, Antonella Parisini, Roberto Mosca, Matteo Bosi, Luca Seravalli, Francesco Mezzadri, Piero Mazzolini, Maura Pavesi, Andrea Baraldi, Alessio Bosio, Roberto Fornari, Fabrication of vertical and planar NiO/Ga2O3 diodes for optoelectronics applications
Abderrahim Moumen, Francesco Mattei, Gianluca Foti, Payam Rajabi Kalvani, Antonella Parisini, Roberto Mosca, Matteo Bosi, Francesco Mezzadri, Luca Seravalli, Maura Pavesi, Andrea Baraldi, Alessio Bosio, Roberto Fornari, NiO/(κ ‒and β‒) Ga2O3 heterojunctions: Material growth and device design
Tarak Hidouri, Matteo Bosi, Claudio Ferrari, Elena Ferrari, Luca Seravalli, Philippe Rodriguez, Dip Parakash Samajdar, Antonella Parisini and Roberto Fornari, κ-Ga2O3 films on (B)GaAs/GaAs as novel intermediate bandgap solar cells: from material to device design
International Workshop on Nitride Semiconductors (IWN 2024), Nov. 3-8, 2024, Honolulu (HI, USA)
A. Asteriti, G. Verzellesi, G. Sozzi, M. Bosi, L. Seravalli, M. Pavesi, A. Parisini, A. Baraldi, A. Moumen, P. Mazzolini, R. Fornari, The Effects of Photogenerated Hole Trapping in Ga2O3-on-GaN Self-Powered UV-C Photodetectors
European Conference on Innovative and Advanced Epitaxy, 19-23 May 2025, Pisa (Italy)
Sabrina Corbellini, Francesco Mezzadri, Matteo Bosi, Luca Seravalli, Roberto Fornari, Rotational domains in epitaxial Ga2O3: identification of their origin and new strategies to prevent them
Abderrahim Moumen, Payam Rajabi Kalvani, Francesco Mattei, Gianluca Foti, Roberto Mosca, Antonella Parisini, Maura Pavesi, Matteo Bosi, Luca Seravalli, Francesco Mezzadri, Andrea Baraldi, Piero Mazzolini, Salvatore Vantaggio, Alessio Bosio, Roberto Fornari, Epitaxial Growth of Ga2O3 Polymorphs for Efficient Self-Powered p-n Diodes: From Broadband to Selective UV Detection
Tarak Hidouri, Lucia Nasi, Claudio Ferrari, Elena Ferrari, Mateo Bosi, Philippe Rodriguez, Luca Seravalli, Roberto Fornari, Single-phase κ-Ga2O3 films deposited by Metal-Organic Vapor Phase Epitaxy on GaAs and ternary BxGa(1-x)As templates
WOCSDICE-EXMATEC 2025, 16-20 June 2025, Cadiz (Spain)
Abderrahim Moumen , Payam Rajabi Kalvani, Francesco Mattei, Gianluca Foti, Roberto Mosca, Antonella Parisini, Maura Pavesi, Matteo Bosi, Luca Seravalli, Francesco Mezzadri, Andrea Baraldi, Piero Mazzolini, Salvatore Vantaggio, Alessio Bosio, Roberto Fornari, NiO/κ-Ga2O3 heterojunctions as self-powered broadband ultraviolet photodiodes
Abderrahim Moumen, Payam Rajabi Kalvani, Francesco Mattei, Gianluca Foti, Roberto Mosca, Antonella Parisini, Maura Pavesi, Matteo Bosi, Luca Seravalli, Francesco Mezzadri, Andrea Baraldi, Piero Mazzolini, Salvatore Vantaggio, Alessio Bosio, Roberto Fornari, Compact and planar NiO/β-Ga2O3 heterojunction photodiode for highly-selective UV-C detection in self-powered mode
Workshop Ultra-wide bandgap oxides (UWO 2025), 25 June 2025, University of Strathclyde, Glasgow, UK)
M. Bosi, Nucleation of β and κ phases in MOVPE growth of Ga2O3 : experimental evidence and first principles modelling
SPIE Optics+Photonics, UV and Higher Energy Photonics: From Materials to Applications, Aug. 3-7, 2025, San Diego (USA)
A. Asteriti, A. Moumen, G. Sozzi, F. Mattei, P. Rajabi Kalvani, M. Bosi, R. Mosca, L. Seravalli, M. Pavesi, A. Parisini, A. Baraldi, P. Mazzolini, R. Fornari, G. Verzellesi, Coupled experimental and TCAD analysis of NiO/Ga2O3 photodiodes for UV-C detection applications
21st International Conference on Crystal Growth and Epitaxy, 3-8 August 2025, Xi’An (P.R. China)
Tarek Hidouri, Lucia Nasi, Claudio Ferrari, Elena Ferrari, Matteo Bosi, Luca Seravalli, Philippe Rodriguez, Roberto Fornari, Single-phase κ-Ga2O3 films deposited by MOVPE on GaAs substrates and ternary BxGa(1-x)As templates