Memory effects in complex materials and nanoscale systems

YV Pershin, M Di Ventra - Advances in Physics, 2011 - Taylor & Francis
Memory effects are ubiquitous in nature and are particularly relevant at the nanoscale where
the dynamical properties of electrons and ions strongly depend on the history of the system …

Fractional derivatives for the core losses prediction: State of the art and beyond

B Ducharne, G Sebald - Journal of Magnetism and Magnetic Materials, 2022 - Elsevier
The core losses prediction in laminated magnetic circuits has generated relentless scientific
research efforts. In this domain, the almost forty years old Statistical Theory of Losses (STL) …

Pyroelectric energy conversion: optimization principles

G Sebald, E Lefeuvre… - IEEE transactions on …, 2008 - ieeexplore.ieee.org
In the framework of microgenerators, we present in this paper the key points for energy
harvesting from temperature using ferroelectric materials. Thermoelectric devices profit from …

Effect of stress on the magnetic Barkhausen noise energy cycles: A route for stress evaluation in ferromagnetic materials

P Fagan, B Ducharne, L Daniel, A Skarlatos… - Materials Science and …, 2022 - Elsevier
The analysis of the magnetic Barkhausen noise energy hysteresis cycles, MBN energy (H),
is a promising non-destructive testing method for evaluating internal mechanical stresses in …

Characterization and modeling of magnetic domain wall dynamics using reconstituted hysteresis loops from Barkhausen noise

B Ducharne, MQ Le, G Sebald, PJ Cottinet… - Journal of Magnetism …, 2017 - Elsevier
By means of a post-processing technique, we succeeded in plotting magnetic Barkhausen
noise energy hysteresis cycles MBN energy (H). These cycles were compared to the usual …

Dynamics of magnetic field penetration into soft ferromagnets

B Ducharne, G Sebald, D Guyomar… - Journal of Applied Physics, 2015 - pubs.aip.org
We propose an approach to solve the coupled problem of the magnetic field penetration into
soft ferromagnets and a frequency dependent magnetic hysteresis. The magnetic field …

Energy harvesting based on FE-FE transition in ferroelectric single crystals

D Guyomar, S Pruvost, G Sebald - IEEE transactions on …, 2008 - ieeexplore.ieee.org
The pyroelectric properties of Pb (Zn 1/3 Nb 2/3) 0.055 Ti 0.045 BO 3 single crystals versus
an electric field have been studied for energy harvesting in this paper. Two thermodynamic …

Fractional model of magnetic field penetration into a toroidal soft ferromagnetic sample

B Ducharne, G Sebald, D Guyomar, G Litak - International Journal of …, 2018 - Springer
We propose an original approach to solve the coupled problem of alternative magnetic field
penetration inside a toroidal soft ferromagnetic sample and frequency dependent magnetic …

A universal method based on fractional derivatives for modeling magnetic losses under alternating and rotational magnetization conditions

B Ducharne, S Zurek, G Sebald - Journal of Magnetism and Magnetic …, 2022 - Elsevier
The performance of electromagnetic devices like motors and transformers is dictated by their
efficiency of magnetic energy conversion, and the adequate modeling of this efficiency is …

Phenomenological model of Barkhausen noise under mechanical and magnetic excitations

B Ducharne, B Gupta, Y Hebrard… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Post-treatment and rescaling is made possible to plot local hysteresis cycles from the
measurement of local magnetic Barkhausen noise (BN). If the material is homogeneous and …