The past decade has witnessed dramatic progress related to various aspects of emergent
topological polar textures in oxide nanostructures displaying vortices, skyrmions, merons …

In ambient atmospheres, aluminum becomes rapidly coated with a compact 2–3 nm thick
oxide layer. This native oxide layer prevents the metal surface from further oxidation …

Abstract Topological domains in ferroelectrics,,,–have received much attention recently
owing to their novel functionalities and potential applications, in electronic devices. So far …

A topological meron features a non-coplanar structure, whose order parameters in the core
region are perpendicular to those near the perimeter. A meron is half of a skyrmion, and both …

Domains in ferroelectrics were considered to be well understood by the middle of the last
century: They were generally rectilinear, and their walls were Ising-like. Their simplicity …

Topological spin/polarization structures in ferroic materials continue to draw great attention
as a result of their fascinating physical behaviors and promising applications in the field of …

The polarization of the ferroelectric BiFeO3 sub-jected to different electrical boundary
conditions by heterointerfaces is imaged with atomic resolution using a spherical aberration …

Low-dimensional ferroelectric structures are a promising basis for the next generation of
ultrahigh-density nonvolatile memory devices. Depolarization fields, created by incompletely …

Topological defects in ferroic materials are attracting much attention both as a playground of
unique physical phenomena and for potential applications in reconfigurable electronic …

Ferroelectrics and multiferroics have recently emerged as perspective materials for
information technology and data storage applications. The combination of extremely narrow …