Perpendicular switching of polarization in layered ferroelectrics

Key Points:

• The research was supported by multiple institutions including Kepler Computing, the Army Research Office, European Union grants, and several universities and national laboratories, highlighting extensive collaborative funding and resources.
• The study involved contributions from experts across various fields such as materials science, theoretical physics, and advanced microscopy, with key experimental work performed at facilities like the Advanced Light Source and Rice University.
• Pushpendra Gupta, Sergio Puebla, Fernando Gómez-Ortiz, and Xinyan Li contributed equally to the research, which was conceived and led by Ramamoorthy Ramesh and Amrita Mathuriya.
• The team conducted experiments including sample deposition, dielectric measurements, TEM and ptychography imaging, and theoretical calculations to analyze coupling and switching mechanisms in materials.
• The manuscript was co-written by multiple authors who also validated results and discussed findings, with correspondence directed to Pushpendra Gupta, Sajid Husain, or Ramamoorthy Ramesh.