title: Synthesis and magnetic properties of Ba2Mn2Si2O9: the first example of S=2 spin-dimer with spin-singlet ground state.
authors.affiliation: State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China. hcz1988@hotmail.com
authors.forename: Zhangzhen
authors.initials: Z
authors.lastname: He
authors.forename: Myung-Hwan
authors.initials: MH
authors.lastname: Wangbo
authors.forename: Yutaka
authors.initials: Y
authors.lastname: Ueda
authors.forename: Yasuo
authors.initials: Y
authors.lastname: Narumi
authors.forename: Koichi
authors.initials: K
authors.lastname: Kindo
authors.forename: Tomoyasu
authors.initials: T
authors.lastname: Taniyama
authors.forename: Mitsuru
authors.initials: M
authors.lastname: Itoh
authors.forename: Wendan
authors.initials: W
authors.lastname: Cheng