A Gd-based borate-carbonate framework exhibiting a large magnetocaloric effect at a low magnetic field.
Bo-Liang LiuQiao-Fei XuLa-Sheng LongLan-Sun ZhengPublished in: Dalton transactions (Cambridge, England : 2003) (2021)
A 3D borate-carbonate framework, GdB(OH)4CO3 (1), was synthesized. Magnetic study reveals that its MCE is up to 33.5 J kg-1 K-1 at 2 K and 2 T, due to the introduction of a long magnetic exchange path of Gd-O-B-O-Gd leading to 1 exhibiting weak magnetic interaction.