Direct Atomic‐Resolution Observation of Two Phases in the Li<sub>1.2</sub>Mn<sub>0.567</sub>Ni<sub>0.166</sub>Co<sub>0.067</sub>O<sub>2</sub> Cathode Material for Lithium‐Ion BatteriesHaijun Yu, Yuichi Ikuhara, Ryo Ishikawa et al.|Angewandte Chemie International Edition|2013Cited by 308