title: Spin-crossover Fe(II)4 squares: two-step complete spin transition and reversible single-crystal-to-single-crystal transformation.
authors.affiliation: State Key Laboratory of Physical Chemistry of Solid Surfaces & Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China.
authors.forename: Rong-Jia
authors.initials: RJ
authors.lastname: Wei
authors.forename: Qian
authors.initials: Q
authors.lastname: Huo
authors.forename: Jun
authors.initials: J
authors.lastname: Tao
authors.forename: Rong-Bin
authors.initials: RB
authors.lastname: Huang
authors.forename: Lan-Sun
authors.initials: LS
authors.lastname: Zheng