Ptychographic Nanoscale Imaging of the Magnetoelectric Coupling in Freestanding BiFeO3
Tim A. Butcher,
Nicholas W. Phillips,
Chun‐Chien Chiu
et al.
Abstract:Understanding the magnetic and ferroelectric ordering of magnetoelectric multiferroic materials at the nanoscale necessitates a versatile imaging method with high spatial resolution. Here, soft X‐ray ptychography was employed to simultaneously image the ferroelectric and antiferromagnetic domains in an 80 nm thin freestanding film of the room‐temperature multiferroic BiFeO3 (BFO). The antiferromagnetic spin cycloid of period 64 nm was resolved by reconstructing the corresponding resonant elastic X‐ray scatteri… Show more
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