205 citations · 596 across the 7 of their papers we have counts for
7 papers
Polarization and resistive switching in epitaxial 2 nm HfZrO tunnel junctions
Milena Cervo Sulzbach, Huan Tan, Saul Estandia +4
In the quest for reliable and power-efficient memristive devices, ferroelectric tunnel junctions are being investigated as potential candidates. CMOS-compatible ferroelectric hafni…
Critical Effect of Bottom Electrode on Ferroelectricity of Epitaxial Hf0.5Zr0.5O2 Thin Films
Saul Estandia, Jaume Gazquez, Maria Varela +5
Epitaxial orthorhombic Hf0.5Zr0.5O2 (HZO) films on La0.67Sr0.33MnO3 (LSMO) electrodes show robust ferroelectricity, with high polarization, endurance and retention. However, no sim…
Unraveling ferroelectric polarization and ionic contributions to electroresistance in epitaxial Hf0.5Zr0.5O2 tunnel junctions
Milena Cervo Sulzbach, Saúl Estandía, Xiao Long +7
Tunnel devices based on ferroelectric Hf0.5Zr0.5O2 (HZO) barriers hold great promises for emerging data storage and computing technologies. The resistance state of the device can b…
Blocking of conducting channels widens window for ferroelectric resistive switching in interface-engineered Hf0.5Zr0.5O2 tunnel devices
Milena Cervo Sulzbach, Saúl Estandía, Jaume Gàzquez +3
Films of Hf0.5Z0.5O2 (HZO) contain a network of grain boundaries. In (111) HZO epitaxial films on (001) SrTiO3, for instance, twinned orthorhombic (o-HZO) ferroelectric crystallite…
Domain Matching Epitaxy of Ferroelectric Hf0.5Zr0.5O2(111) on La2/3Sr1/3MnO3(001)
Saul Estandía, Nico Dix, Matthew F. Chisholm +2
Epitaxial ferroelectric HfO2 films are the most suitable to investigate intrinsic properties of the material and for prototyping emerging devices. Ferroelectric Hf0.5Zr0.5O2(111) f…
Rotational polarization nanotopologies in BaTiO3/SrTiO3 superlattices
Saul Estandia, Florencio Sanchez, Matthew F. Chisholm +1
Ferroelectrics are characterized by domain structures as are other ferroics. At the nanoscale though, ferroelectrics may exhibit non-trivial or exotic polarization configurations u…
Engineering Ferroelectric Hf0.5Zr0.5O2 Thin Films by Epitaxial Stress
Saul Estandia, Nico Dix, Jaume Gazquez +5
The critical impact of epitaxial stress on the stabilization of the ferroelectric orthorhombic phase of hafnia is proved. Epitaxial bilayers of Hf0.5Zr0.5O2 and La0.67Sr0.33MnO3 el…