593 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR55 papers
- École Centrale ParisFR41 papers
- CentraleSupélecFR26 papers
- Université Paris-SaclayFR17 papers
- University of Arkansas at FayettevilleUS14 papers
- Université Paris-SudFR10 papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR8 papers
- European Synchrotron Radiation FacilityFR8 papers
- Institut de Chimie Moléculaire et des Matériaux d'OrsayFR6 papers
- Laboratoire Albert FertFR6 papers
- Institut de Ciència de Materials de BarcelonaES5 papers
- Institut polytechnique de GrenobleFR5 papers
45 papers · 1 filter
Ferroelectric texture of individual barium titanate nanocrystals
Athulya Muraleedharan, Kevin Co, Maxime Vallet +8
Ferroelectric materials display exotic polarization textures at the nanoscale that could be used to improve the energetic efficiency of electronic components. The vast majority of…
Features of a nano-twist phase in the nanolayered Ti3AlC2 MAX phase
Julien Guénolé, Vincent Taupin, Maxime Vallet +2
Complex intermetallic materials known as MAX phases exhibit exceptional properties from both metals and ceramics, largely thanks to their nanolayered structure. With high-resolutio…
Strain engineering of the magnetic anisotropy and magnetic moment in NdFeO3 epitaxial thin films
Mohamed Ali Khaled, Juan Ruvalcaba, Teodoro Cordova +8
Strain engineering is a powerful mean for tuning the various functionalities of ABO3 perovskite oxide thin films. Rare-earth orthoferrite RFeO3 materials such as NdFeO3 (NFO) are o…
Anti-polar state in BiFeO3/NdFeO3 superlattices
Mohamed Ali Khaled, Donna C Arnold, Brahim Dkhil +4
Antiferroelectrics are promising materials for high energy density capacitors and the search for environmentally-friendly and efficient systems is actively pursued. An elegant stra…
Patterning enhanced tetragonality in BiFeO3 thin films with effective negative pressure by helium implantation
C. Toulouse, J. Fischer, S. Farokhipoor +13
Helium implantation in epitaxial thin films is a way to control the out-of-plane deformation independently from the in-plane strain controlled by epitaxy. In particular, implantati…
A switchable two-dimensional electron gas based on ferroelectric Ca:SrTiO
Julien Bréhin, Felix Trier, Luis M. Vicente-Arche +14
Two-dimensional electron gases (2DEGs) can form at the surface of oxides and semiconductors or in carefully designed quantum wells and interfaces. Depending on the shape of the con…
Linear versus nonlinear electro-optic effects in materials
Zhijun Jiang, Charles Paillard, Hongjun Xiang +1
Two schemes are proposed to compute the nonlinear electro-optic (EO) tensor for the first time. In the first scheme, we compute the linear EO tensor of the structure under a finite…
Switching on superferromagnetism
A. Arora, L. C. Phillips, P. Nukala +9
Recent results in electric-field control of magnetism have paved the way for the design of alternative magnetic and spintronic devices with enhanced functionalities and low power c…
On the magnetoelastic and magnetoelectric couplings across the antiferromagnetic transition in multiferroic BiFeO3
Mariusz Lejman, Charles Paillard, Vincent Juvé +7
Clear anomalies in the lattice thermal expansion (deviation from linear variation) and elastic properties (softening of the sound velocity) at the antiferromagnetic-to-paramagnetic…
Redox reaction enhanced Schottky contact at a \LNO{}(001)/Al interface
Joseph Scola, Bruno Berini, Yves Dumont +2
Emergent phenomena at interfaces between oxides and metals can appear due to charge transfer and mass transport that modify the bulk properties. By coating the metallic oxide LaNiO…
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…
Photoferroelectric oxides
I. Fina, C. Paillard, B. Dkhil
Giant photovoltaic effect due to bulk photovoltaic effect observed in multiferroic BiFeO3 thin films has triggered a renewed interest on photoferroelectric materials for photovolta…
Simulating the radiofrequency dielectric response of relaxor ferroelectrics: Combination of Coarse-Grained Hamiltonians and Kinetic Monte Carlo
Gregory Geneste, L. Bellaiche, Jean-Michel Kiat
The radiofrequency dielectric response of the lead-free Ba(ZrTi)O relaxor ferroelectric is simulated using a coarse-grained Hamiltonian. This concept, taken fro…
Spin and lattice excitations of a BiFeO3 thin film and ceramics
S. Skiadopoulou, V. Goian, C. Kadlec +7
We present a comprehensive study of polar and magnetic excitations in BiFeO3 ceramics and a thin film epitaxially grown on an orthorhombic (110) TbScO3 substrate. Infrared reflecti…
Role of Zinc and Niobium in the Giant Piezoelectric Response of PbZn1/3Nb2/3O3
Ali Al-Zein, Hichem Dammak, Philippe Papet +5
Relaxor ferroelectric perovskites are highly polarizable and can exhibit giant coupling between elastic strain and an applied electric field. Here, we report an in situ extended X-…
Condensation of the atomic relaxation vibrations in lead-magnesium-niobate at
Sergey Prosandeev, Igor P. Raevski, Maria A. Malitskaya +4
We present neutron diffraction, dielectric permittivity and photoconductivity measurements, evidencing that lead-magnesium niobate experiences a diffuse phase transformation betwee…
Effect of a built-in electric field in asymmetric ferroelectric tunnel junctions
Yang Liu, Xiaojie Lou, Manuel Bibes +1
The contribution of a built-in electric field to ferroelectric phase transition in asymmetric ferroelectric tunnel junctions is studied using a multiscale thermodynamic model. It i…
Low-temperature anharmonicity of barium titanate: a path-integral molecular dynamics study
Gregory Geneste, Hichem Dammak, Marc Hayoun +1
We investigate the influence of quantum effects on the dielectric and piezoelectric properties of barium titanate in its (low-temperature) rhombohedral phase, and show the strongly…
Synthesis dependent characteristics of Sr1-xMnxTiO3 (x=0.03, 0.05, 0.07 and 0.09)
K. R. S. Preethi Meher, C. Bogicevic, Pierre-Eymeric Janolin +1
Sr1-xMnxTiO3 (where x = 0.03, 0.05, 0.07 and 0.09) was synthesized via different routes that include solid-state, oxalate precipitation and freeze drying. In oxalate precipitation…
Giant direct magnetoelectric effect in strained multiferroic heterostructures
Pierre-Eymeric Janolin, Nikolay A. Pertsev, David Sichuga +1
The direct magnetoelectric (ME) effect mediated by lattice strains induced in a ferroelectric film by a ferromagnetic substrate is evaluated using first-principles-based calculatio…
Magnetodielectric coupling and phonon properties of compressively strained EuTiO3 thin films deposited on LSAT
S. Kamba, V. Goian, M. Orlita +13
Compressively strained epitaxial (001) EuTiO3 thin films of tetragonal symmetry have been deposited on (001) (LaAlO3)_0.29-(SrAl_{1/2}Ta_{1/2}O3)_0.71 (LSAT) substrates by reactive…
Surface phase transitions in BiFeO3 below room temperature
R. Jarrier, X. Marti, J. Herrero-Albillos +15
We combine a wide variety of experimental techniques to analyze two heretofore mysterious phase transitions in multiferroic bismuth ferrite at low temperature. Raman spectroscopy,…
Multiple high-pressure phase transitions in BiFeO3
Mael Guennou, Pierre Bouvier, Grace S. Chen +4
We investigate the high-pressure phase transitions in BiFeO3 by single crystal and powder x-ray diffraction, as well as single crystal Raman spectroscopy. Six phase transitions are…
Multiferroic phase transition near room temperature in BiFeO3 films
I. C. Infante, J. Juraszek, S. Fusil +13
In multiferroic BiFeO3 thin films grown on highly mismatched LaAlO3 substrates, we reveal the coexistence of two differently distorted polymorphs that leads to striking features in…