title: Direct Observation of Reversible Magnesium Ion Intercalation into a Spinel Oxide Host.
authors.affiliation: Department of Chemistry, University of Illinois at Chicago, Chicago, IL, 60607, USA.
authors.forename: Chunjoong
authors.initials: C
authors.lastname: Kim
authors.affiliation: Department of Physics, University of Illinois at Chicago, Chicago, IL, 60607, USA.
authors.forename: Patrick J
authors.initials: PJ
authors.lastname: Phillips
authors.affiliation: Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, IL, 60439, USA.
authors.forename: Baris
authors.initials: B
authors.lastname: Key
authors.affiliation: Department of Chemistry, University of Illinois at Chicago, Chicago, IL, 60607, USA.
authors.forename: Tanghong
authors.initials: T
authors.lastname: Yi
authors.affiliation: Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA.
authors.forename: Dennis
authors.initials: D
authors.lastname: Nordlund
authors.affiliation: Department of Chemistry, University of Illinois at Chicago, Chicago, IL, 60607, USA.|Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA.
authors.forename: Young-Sang
authors.initials: YS
authors.lastname: Yu
authors.affiliation: Department of Chemistry, University of Illinois at Chicago, Chicago, IL, 60607, USA.
authors.forename: Ryan D
authors.initials: RD
authors.lastname: Bayliss
authors.affiliation: Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, IL, 60439, USA.
authors.forename: Sang-Don
authors.initials: SD
authors.lastname: Han
authors.affiliation: Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, IL, 60439, USA.|Mechanical Engineering, Worcester Polytechnic Institute, Worcester, MA, 01609, USA.
authors.forename: Meinan
authors.initials: M
authors.lastname: He
authors.affiliation: Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, IL, 60439, USA.
authors.forename: Zhengcheng
authors.initials: Z
authors.lastname: Zhang
authors.affiliation: Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, IL, 60439, USA.
authors.forename: Anthony K
authors.initials: AK
authors.lastname: Burrell
authors.affiliation: Department of Physics, University of Illinois at Chicago, Chicago, IL, 60607, USA.
authors.forename: Robert F
authors.initials: RF
authors.lastname: Klie
authors.affiliation: Department of Chemistry, University of Illinois at Chicago, Chicago, IL, 60607, USA.
authors.forename: Jordi
authors.initials: J
authors.lastname: Cabana
keywords: Mg intercalation; NMR; STEM-EDX; X-ray diffraction; X-ray spectroscopy; manganese oxide