First measurement of Gallium Arsenide as a low-temperature calorimeter D. L. Helis, A. Melchiorre, A. Puiu, G. Benato, P. Carniti, A. Continenza, N. Di Marco, A. Ferella, C. Ferrari, F. Giannessi et al. (11 more) Eur. Phys. J. C, 84 7 (2024) 749 Published online: 27 July 2024 DOI: 10.1140/epjc/s10052-024-13123-8