منابع مشابه
Reliable polarization switching of BiFeO3.
As a room temperature multi-ferroic with coexisting anti-ferromagnetic, ferroelectric and ferroelastic orders, BiFeO(3) has been extensively studied to realize magnetoelectric devices that enable manipulation of magnetic ordering by an electric field. Moreover, BiFeO(3) is a promising candidate for ferroelectric memory devices because it has the largest remanent polarization (P(r)>100 μC cm(-2)...
متن کاملSingle-domain multiferroic BiFeO3 films
The strong coupling between antiferromagnetism and ferroelectricity at room temperature found in BiFeO3 generates high expectations for the design and development of technological devices with novel functionalities. However, the multi-domain nature of the material tends to nullify the properties of interest and complicates the thorough understanding of the mechanisms that are responsible for th...
متن کاملChemistry of the Fe2O3/BiFeO3 Interface in BiFeO3 Thin Film Heterostructures
We investigate the interfacial chemistry of secondary Fe₂O₃ phases formed in a BiFeO₃ (BFO) layer in BFO/ La0.67Sr0.33MnO₃ (LSMO)/SrTiO₃ (STO) heterostructures. A combination of high-resolution spherical aberration corrected scanning TEM and spectroscopy results, reveals that specific chemical and crystallographic similarities between Fe₂O₃ and BFO, enable the BFO layer to form a facile host fo...
متن کاملDoping BiFeO3: approaches and enhanced functionality.
BiFeO(3) is one of the most studied multiferroic materials. Both its magnetic and ferroelectric properties can be influenced by doping. A large body of work on the doped material has been presented in the past couple of years. In this paper we provide a perspective on general doping concepts and their impact on the material's functionality.
متن کاملLight-induced size changes in BiFeO3 crystals.
Multifunctional oxides are promising materials because of their fundamental physical properties as well as their potential in applications. Among these materials, multiferroics exhibiting ferroelectricity and magnetism are good candidates for spin electronic applications using the magnetoelectric effect, which couples magnetism and ferroelectricity. Furthermore, because ferroelectrics are insul...
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ژورنال
عنوان ژورنال: Cerâmica
سال: 2008
ISSN: 0366-6913
DOI: 10.1590/s0366-69132008000300011