Six new bolometers have been installed these days in the dilution refrigerator. Among them, the new CROSS lithium molybdate crystal contains a superconducting palladium-aluminium grille on five of its faces with a light detector on the sixth, with the technological challenge of separating beta decays on the surface from those happening on the inside.
![CROSS Crystals_Run5](https://lsc-canfranc.es/wp-content/uploads/2021/06/CROSS-Crystals_Run5.jpg)