Spin Transition Zone in Earth’s Lower Mantle Lin, Jung-Fu ; Vankó, György ; Jacobsen, Steven D. ; Iota, Valentin ; Struzhkin, Viktor V. ; Prakapenka, Vitali B. ; Kuznetsov, Alexei ; Yoo, Choong-Shik Abstract Publication: Science Pub Date: September 2007 DOI: 10.1126/science.1144997 Bibcode: 2007Sci...317.1740L