You're looking for magnetocaloric refrigeration and the giant magnetocaloric effect: https://www.sciencedirect.com/science/article/pii/S0079642517301299?casa_t

You're looking for magnetocaloric refrigeration and the giant magnetocaloric effect: https://www.sciencedirect.com/science/article/pii/S0079642517301299?casa_token=I5fDk4msHbIAAAAA:oGw9ZgouwGK8udpdU2r2YtU0ZO6r2lNMeKbXFWpDsHGUMmyVvy_G5fIXGEvG-WdjPGGp10m2MA https://www.sciencedirect.com/science/article/pii/S007964251...