activity
20122023
most citedA rhombohedral ferroelectric phase in epitaxially-strained Hf0.5Zr0.5O2 thin films

593 citations · 1.1k across the 16 of their papers we have counts for

collaborators

16 papers

cond-mat.mtrl-sci2023★ 1 cited

Magneto-optical properties of textured LaSrMnO thin films integrated on silicon via a CaNbO nanosheet layer

Tomáš Maleček, Guillaume Agnus, Thomas Maroutian +7

We demonstrate the possibility of growing textured LaSrMnO (LSMO) thin films on silicon substrates with magneto-optical and optical properties comparable to hig…

cond-mat.str-el2021★ 165 cited

Universal Fabrication of Two-Dimensional Electron Systems in Functional Oxides

Tobias Chris Rödel, Franck Fortuna, Shamashis Sengupta +9

Two-dimensional electron systems (2DESs) in functional oxides are promising for applications, but their fabrication and use, essentially limited to SrTiO-based heterostructures…

physics.app-ph2020

Stress measurements in silicon photonics by integrated Raman spectroscopy

Guillaume Marcaud, Mathias Berciano, Christian Lafforgue +11

Complex 3D integration of photonic and electronic integrated circuits is of particular interest to carry the photonics roadmap and to address challenges but involves mechanical str…

cond-mat.mtrl-sci2020★ 7 cited

Highly anisotropic magnetic domain wall behavior in-plane magnetic films

Xiaochao Zhou, Nicolas Vernier, Guillaume Agnus +2

We have studied nucleation of magnetic domains and propagation of magnetic domain walls (DWs) induced by pulsed magnetic field in a ferromagnetic film with in-plane uniaxial anisot…

cond-mat.mtrl-sci2019★ 11 cited

Magnetic domain wall motion in SrRuO thin films

Martin Zahradník, Klára Uhlířová, Thomas Maroutian +4

Influence of substrate miscut on magnetization dynamics in SrRuO (SRO) thin films was studied. Two films were grown on SrTiO substrates with high () and low…

cond-mat.mtrl-sci2019★ 48 cited

Magneto-ionic control of spin polarization in magnetic tunnel junctions

Yingfen Wei, Sylvia Matzen, Cynthia P. Quinteros +4

Magnetic tunnel junctions (MTJs) with Hf0.5Zr0.5O2 barriers are reported to show both tunneling magnetoresistance effect (TMR) and tunneling electroresistance effect (TER), display…

physics.app-ph2019★ 56 cited

Magnetic tunnel junctions based on ferroelectric Hf0.5Zr0.5O2 tunnel barriers

Yingfen Wei, Sylvia Matzen, Guillaume Agnus +7

A ferroelectric tunnel barrier in between two ferromagnetic electrodes (multiferroic tunnel junction, MFTJ), is one of the most promising concepts for future microelectronic device…

cond-mat.mtrl-sci2018★ 593 cited

A rhombohedral ferroelectric phase in epitaxially-strained Hf0.5Zr0.5O2 thin films

Yingfen Wei, Pavan Nukala, Mart Salverda +10

After decades of searching for robust nanoscale ferroelectricity that could enable integration into the next generation memory and logic devices, hafnia-based thin films have appea…

physics.app-ph2017★ 34 cited

Domain Wall Motion Driven by Laplace Pressure in CoFeB-MgO Nanodots with Perpendicular Anisotropy

Yu Zhang, Xueying Zhang, Nicolas Vernier +8

We have studied the magnetization reversal of CoFeB-MgO nanodots with perpendicular anisotropy for size ranging from w=400 nm to 1 μm. Contrary to previous experiments, the switchi…

physics.app-ph2017★ 15 cited

Heterogeneous Memristive Devices Enabled by Magnetic Tunnel Junction Nanopillars Surrounded by Resistive Silicon Switches

Yu Zhang, Xiaoyang Lin, Jean-Paul Adam +14

Emerging non-volatile memories (NVMs) have currently attracted great interest for their potential applications in advanced low-power information storage and processing technologies…

cond-mat.mtrl-sci2014★ 55 cited

Universal domain wall dynamics under electric field in Ta/CoFeB/MgO devices with perpendicular anisotropy

Weiwei Lin, Nicolas Vernier, Guillaume Agnus +5

Electric field effects in ferromagnetic/oxide dielectric structures provide a new route to control domain wall (DW) dynamics with low power dissipation. However, electric field eff…

cond-mat.mes-hall2013★ 28 cited

Measurement of magnetization using domain compressibility in CoFeB films with perpendicular anisotropy

N. Vernier, J. P. Adam, S. Eimer +5

We present a method to map the saturation magnetization of soft ultrathin films with perpendicular anisotropy, and we illustrate it to assess the compositional dependence of the ma…

cond-mat.mtrl-sci2013★ 3 cited

Time-resolved PhotoEmission Spectroscopy on a Metal/Ferroelectric Heterostructure

J. E. Rault, G. Agnus, T. Maroutian +8

In thin film ferroelectric capacitor the chemical and electronic structure of the electrode/FE interface can play a crucial role in determining the kinetics of polarization switchi…

cond-mat.mtrl-sci2013★ 49 cited

Interface Electronic Structure in a Metal/Ferroelectric Heterostructure under Applied Bias

J. E. Rault, G. Agnus, T. Maroutian +8

The effective barrier height between an electrode and a ferroelectric (FE) depends on both macroscopic electrical properties and microscopic chemical and electronic structure. The…

cond-mat.mtrl-sci2012★ 2 cited

Electric field control of domain wall logic in piezoelec-tric/ferromagnetic nanodevices

Na Lei, Thibaut Devolder, Guillaume Agnus +7

Power dissipation is one of the most important factors limiting the future miniaturisation of integrated circuits. The capability of controlling magnetic states with a low voltage…

cond-mat.mtrl-sci2012★ 2 cited

Interfacial charge accumulation effect on magnetic domain wall nucleation and propagation in a Pt/Co/Pt/Al2O3 structure

Weiwei Lin, Nicolas Vernier, Guillaume Agnus +3

We report direct observation of charge accumulation effect on magnetization reversal in a Pt/Co(0.5 nm)/Pt(0.5 nm)/Al2O3 structure with perpendicular anisotropy. By imaging magneti…