Nature Electronics, Published online: 06 July 2026; doi:10.1038/s41928-026-01665-6 By breaking the symmetry of a Ruddlesden–Popper ferroelectric material, an out-of-plane dielectric material with high tunability and low loss can be fabricated.
Out-of-plane Ruddlesden–Popper ferroelectrics catch a break
Zhenxing Yue