559 citations · 1.3k across the 16 of their papers we have counts for
16 papers
Nanoscale domain engineering in SrRuO thin films
Céline Lichtensteiger, Chia-Ping Su, Iaroslav Gaponenko +5
We investigate nanoscale domain engineering via epitaxial coupling in a set of SrRuO/PbTiO/SrRuO heterostructures epitaxially grown on (110)-oriented DyScO subs…
Mapping the complex evolution of ferroelastic/ferroelectric domain patterns in epitaxially strained PbTiO3 heterostructures
Céline Lichtensteiger, Marios Hadjimichael, Edoardo Zatterin +6
We study the complex ferroelastic/ferroelectric domain structure in the prototypical ferroelectric PbTiO3 epitaxially strained on (110)o-oriented DyScO3 substrates, using a combina…
Non-Ising domain walls in c-phase ferroelectric lead titanate thin films
Christian Weymann, Salia Cherifi-Hertel, Céline Lichtensteiger +4
Ferroelectrics are technologically important, with wide application in micromechanical systems, nonlinear optics, and information storage. Recent discoveries of exotic polarisation…
Dynamic response and roughening of ferroelectric domain walls driven at planar electrode edges
Guillaume Rapin, Sophia Ehrensperger, Cédric Blaser +2
Understanding and controlling the motion, stability, and equilibrium configuration of ferroelectric domain walls is key for their integration into potential nanoelectronics applica…
A numerical study of the statistics of roughness parameters for fluctuating interfaces
Sebastian Bustingorry, Jill Guyonnet, Patrycja Paruch +1
Self-affine rough interfaces are ubiquitous in experimental systems, and display characteristic scaling properties as a signature of the nature of disorder in their supporting medi…
Local and correlated studies of humidity-mediated ferroelectric thin film surface charge dynamics
Iaroslav Gaponenko, Loïc Musy, Neus Domingo +4
Electrochemical phenomena in ferroelectrics are of particular interest for catalysis and sensing applications, with recent studies highlighting the combined role of the ferroelectr…
Statistics of roughness for fluctuating interfaces: A survey of different scaling analyses
J. Guyonnet, E. Agoritsas, P. Paruch +1
Ferroic domain walls are known to display the characteristic scaling properties of self-affine rough interfaces. Different methods have been used to extract roughness information i…
Effect of uniaxial strain on the optical Drude scattering in graphene
Manisha Chhikara, Iaroslav Gaponenko, Patrycja Paruch +1
Graphene is a mechanically robust 2D material promising for flexible optoelectronic applications. However, its electromagnetic properties under strain are experimentally poorly und…
Subcritical switching dynamics and humidity effects in nanoscale studies of domain growth in ferroelectric thin films
Cédric Blaser, Patrycja Paruch
Ferroelectric domain switching in c-axis-oriented epitaxial Pb(ZrTi)O thin films was studied using biased scanning probe microscopy tips. While linear and logar…
Understanding polarization vs. charge dynamics effects in ferroelectric-carbon nanotube devices
Cédric Blaser, Vincent Esposito, Patrycja Paruch
To optimize the performance of multifunctional carbon nanotube-ferroelectric devices, it is necessary to understand both the polarization and charge dynamics effects on their trans…
Identification of a strong contamination source for graphene in vacuum systems
Christophe Caillier, Dong-Keun Ki, Yuliya Lisunova +3
To minimize parasitic doping effects caused by uncontrolled material adsorption, graphene is often investigated under vacuum. Here we report an entirely unexpected phenomenon occur…
Minimum domain size and stability in carbon nanotube-ferroelectric devices
Cédric Blaser, Patrycja Paruch
Ferroelectric domain switching in c-axis-oriented epitaxial Pb(Zr0.2Ti0.8)O3 thin films was studied using different field geometries and compared to numerical simulations and theor…
Thermal quench effects on ferroelectric domain walls
Patrycja Paruch, Alejandro B. Kolton, Xia Hong +2
Using piezoresponse force microscopy on epitaxial ferroelectric thin films, we have measured the evolution of domain wall roughening as a result of heat-quench cycles up to 735C, w…
Conduction at domain walls in insulating Pb(ZrTi)O thin films
J. Guyonnet, I. Gaponenko, S. Gariglio +1
Among the recent discoveries of domain wall functionalities, the observation of electrical conduction at ferroelectric domain walls in the multiferroic insulator BiFeO3 has opened…
Domain wall roughness in epitaxial ferroelectric PbZr0.2Ti0.8O3 thin films
P. Paruch, T. Giamarchi, J. -M. Triscone
The static configuration of ferroelectric domain walls was investigated using atomic force microscopy on epitaxial PbZr0.2Ti0.8O3 thin films. Measurements of domain wall roughness…
Domain wall creep in epitaxial ferroelectric Pb(Zr0.2Ti0.8)O3 thin films
T. Tybell, P. Paruch, T. Giamarchi +1
Ferroelectric switching and nanoscale domain dynamics were investigated using atomic force microscopy on monocrystalline Pb(Zr0.2Ti0.8)O3 thin films. Measurements of domain size ve…