Concepedia

Polarization-dependent electric potential distribution across nanoscale ferroelectric Hf<sub>0.5</sub>Zr<sub>0.5</sub>O<sub>2</sub> in functional memory capacitors

Yu. Matveyev, Vitalii Mikheev, Dmitry Negrov, Sergei Zarubin, Abinash Kumar, Everett D. Grimley, James M. LeBeau, A. Gloskovskii, Evgeny Y. Tsymbal, A. Zenkevich

Nanoscale · 2019 · 23 citations · 38 references

DOI

Concepts

Abstract

Using standing-waves in HAXPES technique, we reveal non-linear electrostatic potential profile across nanoscale ferroelectric (FE) HfZrO<sub>4</sub> layer in memory capacitors for both polarization directions, implying the drift of non-FE charges at interfaces.

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