A dense metal-organic framework for enhanced magnetic refrigeration.

Lorusso, Giulia; Sharples, Joseph W; Palacios, Elias; Roubeau, Olivier; Brechin, Euan K; Sessoli, Roberta; Rossin, Andrea; Tuna, Floriana et al. · Adv Mater · 2013

basic_science · Level V

Where this comes from

Abstract

The three-dimensional metal-organic framework Gd(HCOO)3 is characterized by a relatively compact crystal lattice of weakly interacting Gd(3+) spin centers interconnected via lightweight formate ligands, overall providing a remarkably large magnetic:non-magnetic elemental weight ratio. The resulting magnetocaloric effect per unit volume is decidedly superior in Gd(HCOO)3 than in the best known magnetic refrigerant materials for liquid-helium temperatures and low-moderate applied fields.