title: Ferromagnetic homometallic Mn19 cluster and heterometallic Na2Mn15 cluster with large spin state as magnetic refrigerants.
authors.affiliation: Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry & Chemical Engineering, Sun Yat-Sen University, Guangzhou, PR China.
authors.forename: Jun-Liang
authors.initials: JL
authors.lastname: Liu
authors.forename: Ji-Dong
authors.initials: JD
authors.lastname: Leng
authors.forename: Zhuojia
authors.initials: Z
authors.lastname: Lin
authors.forename: Ming-Liang
authors.initials: ML
authors.lastname: Tong