170 citations · 633 across the 21 of their papers we have counts for
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Lithium doping's effects on the microstructural,dielectric,energy storage,optical and electrical properties of BaTi0.89Sn0.11O3 ceramics
S. Ayadh, S. Touili, Y. Hadouch +8
This research study the sol/gel synthesis of lithium-doped barium stannate titanate BaTi0.89Sn0.11O3 (BTS11) and investigates how varying composition with lithium affect its struct…
Current Advances in Magnetoelectric Composites with Various Interphase Connectivity Types
Youness Hadouch, Daoud Mezzane, M barek Amjoud +6
Magnetoelectric composites integrate the coupling between magnetic and piezoelectric materials to create new functionalities for potential technological applications. This coupling…
Topological ferroelectric chirality
Igor Luk'yanchuk, Anna Razumnaya, Svitlana Kondovych +2
Chirality, an inherent property of most objects of the universe, is a dynamic research topic in material science, physics, chemistry, and biology. The fundamental appeal of this ex…
Impact of Polymeric precursor and Auto-combustion on the Structural, Microstructural, Magnetic, and Magnetocaloric Properties of La0.8Sr0.2MnO3
Afaak Lakouader, Youness Hadouch, Daoud Mezzane +11
In this work, La0.8Sr0.2MnO3 (LSMO) nanopowders are synthesized using two different methods: Pechini (LSMO-PC) and auto-combustion (LSMO-AC). Nanoparticle sizes, structural, magnet…
Mean field theory and Monte Carlo simulation of Phase transitions and Magnetic Properties of a tridimensional Fe7S8 Compound
S. Benyoussef, Y. EL Amraoui, H. Ez-Zahraouy +4
The structural, electronic and magnetic properties of Fe7S8 material have been studied within the framework of the ab-initio calculations, the mean field approximation (MFA) and Mo…
Properties of the low-frequency phonon spectra of ferroelectric barium titanate-based heterostructures
E. D. Gor'kovaya, Yu. A. Tikhonov, V. I. Torgashev +7
Polarized Raman spectra of the epitaxial Ba0.5Sr0.5TiO3 film, bi-color BaTiO3/Ba0.5Sr0.5TiO3 superlattice, and tri-color BaTiO3/Ba0.5Sr0.5TiO3/SrTiO3 superlattice were studied in a…
Built-in electric field induces polarization rotation in bilayer BiFeO3/(Ba,Sr)TiO3 thin films
A. G. Razumnaya, A. S. Mikheykin, D. V. Stryukov +6
The crystal structure of BiFeO3/BaxSr1-xTiO3 (BFO/BST) heterostructures with x = 0.2, 0.6 and 0.8, grown on single-crystal MgO (001) substrate was investigated by x-ray diffraction…
High-Symmetry Polarization Domains in Low-Symmetry Ferroelectrics
I. Lukyanchuk, P. Sharma, T. Nakajima +3
We present experimental evidence for hexagonal domain faceting in the ferroelectric polymer PVDF-TrFE films having the lower orthorhombic crystallographic symmetry. This effect can…
Origin of Ferroelastic Domains in Free-Standing Single Crystal Ferroelectric Films
I. A. Luk'yanchuk, A. Schilling, J. M. Gregg +2
The origin of the unusual 90^o ferroelectric / ferroelastic domains, consistently observed in recent studies on meso and nanoscale free-standing single crystals of BaTiO3 [Schillin…
Stability of Vortex Phases in Ferroelectric Easy-Plane nano-Cylinders
L. Lahoche, I. Luk'yanchuk, G. Pascoli
Bounded charges induced by the polarization gradient in finite-size ferroelectrics are known to produce the unfavorable depolarization electric field that suppresses the uniform fe…
Domain enhanced interlayer coupling in ferroelectric/paraelectric superlattices
V. A. Stephanovich, I. A. Luk'yanchuk, M. G. Karkut
We investigate the ferroelectric phase transition and domain formation in a periodic superlattice consisting of alternate ferroelectric (FE) and paraelectric (PE) layers of nanomet…
Sound modes in composite incommensurate crystals
R. Currat, E. I. Kats, I. Luk'yanchuk
We propose a simple phenomenological model describing composite crystals, constructed from two parallel sets of periodic inter-penetrating chains. In the harmonic approximation and…