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Defect Dynamics
In article 2305383, Qingteng Zhang, Gang Wan, Vitalii Starchenko, Guoxiang Hu, Ho Nyung Lee, P. Ganesh, Dillon Fong, and co‐workers study the domain boundary fluctuation between a metallic perovskite (Pv) phase and the insulating brownmillerite (Bm) phase domains in epitaxial SrCoOx film (2.5 < x < 3). Competition between the Pv and Bm phases leads to intermittent domain fluctuation...
The heterogeneous nature, local presence, and dynamic evolution of defects typically govern the ionic and electronic properties of a wide variety of functional materials. While the last 50 years have seen considerable efforts into development of new methods to identify the nature of defects in complex materials, such as the perovskite oxides, very little is known about defect dynamics and their influence...
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