Results 11 to 20 of about 2,694,822 (232)
Giant magnetoelectric effect in multiferroic
, 2009 We present a unique example of giant magnetoelectric effect in a conventional multiferroic HoMnO3, where polarization is very large (~56 mC/m2) and the ferroelectric transition temperature is higher than the magnetic ordering temperature by an order.
N. Hur +4 more
arxiv +4 more sources
Origin of ferroelectricity in the multiferroic barium fluorides
, 2006 We present a first principles study of the series of multiferroic barium fluorides with the composition BaMF4, where M is Mn, Fe, Co, or Ni. We discuss trends in the structural, electronic, and magnetic properties, and we show that the ferroelectricity in these systems results from the "freezing in" of a single unstable polar phonon mode.
Claude Ederer, Nicola A. Spaldin
arxiv +4 more sources
Trilayer superlattices: A route to magnetoelectric multiferroics? [PDF]
, 2007 The authors explore computationally the formation of trilayer superlattices as an alternative approach to combining ferroelectricity with magnetism to form magnetoelectric multiferroics.
A. Hatt, N. Spaldin
semanticscholar +3 more sources
New iron-based multiferroics with improper ferroelectricity [PDF]
Journal of Physics: Applied Physics 51, 243002 (2018), 2018 In this contribution to the special issue on magnetoelectrics and their applications, we focus on some single phase multiferroics theoretically predicted and/or experimentally discovered by the authors in recent years. In these materials, iron is the common core element.
Jin Peng +6 more
openalex +2 more sources
Unusual Ferroelectricity of Trans-Unitcell Ion-Displacement and Multiferroic Soliton in Sodium and Potassium Hydroxides [PDF]
, 2018 We show the first-principles evidence of a hitherto unreported type of ferroelectricity with ultra-long ion-displacement in sodium and potassium hydroxides.
Yangyang Ren, Shuai Dong, Menghao Wu
openalex +4 more sources
Nanomaterials, 2022 The role of Ag addition on the structural, dielectric, and mechanical harvesting response of 20%(xAg − (1 − x)BaTiO3) − 80%PVDF (x = 0, 2, 5, 7 and 27 vol.%) flexible composites is investigated. The inorganic fillers were realized by precipitating fine (~
Nadejda Horchidan +11 more
doaj +1 more source
First-Principles Approaches to Magnetoelectric Multiferroics
Annual Review of Condensed Matter Physics, 2023 Magnetoelectric multiferroics, which display both ferroelectric and magnetic orders, are appealing because of their rich fundamental physics and promising technological applications.
Changsong Xu +3 more
semanticscholar +1 more source
Ferroelectric solitons crafted in epitaxial bismuth ferrite superlattices
Nature Communications, 2023 In ferroelectrics, complex interactions among various degrees of freedom enable the condensation of topologically protected polarization textures. Known as ferroelectric solitons, these particle-like structures represent a new class of materials with ...
Vivasha Govinden +14 more
doaj +1 more source
Multiferroic domain relaxation in (NH4)2[FeCl5(H2O)] [PDF]
Phys. Rev. B 108, 094417 (2023), 2023 The molecular compound (NH4)2[FeCl5(H2O)] is a type-II multiferroic material, in which incommensurate cycloidal order directly induces ferroelectric polarization. The multiferroic domain kinetics in (NH4)2[FeCl5(H2O)] were studied by time-resolved neutron diffraction experiments utilizing neutron polarization analysis.
arxiv +1 more source
An automatically curated first-principles database of ferroelectrics. [PDF]
, 2020 Ferroelectric materials have technological applications in information storage and electronic devices. The ferroelectric polar phase can be controlled with external fields, chemical substitution and size-effects in bulk and ultrathin film form, providing
Jain, Anubhav +4 more
core +2 more sources