نتایج جستجو برای: magnetic bifeo3
تعداد نتایج: 339564 فیلتر نتایج به سال:
Magnetic dispersive micro solid-phase extraction as a proper and selective sample preparation was developed to extract clean up three drugs, including Caffeine (CAF), Lidocaine (LID), Chlorpromazine (CPZ), before determining by HPLC-DAD. Nickel-doped BiFeO3 synthesised using the sol–gel method magnetic sorbent core coated with tetraethyl orthosilicate (TEOS) enhance stability selectivity. In pr...
Enhancement of polarization and related properties in heteroepitaxially constrained thin films of the ferroelectromagnet, BiFeO3, is reported. Structure analysis indicates that the crystal structure of film is monoclinic in contrast to bulk, which is rhombohedral. The films display a room-temperature spontaneous polarization (50 to 60 microcoulombs per square centimeter) almost an order of magn...
We have investigated detailed structural properties of epitaxial BiFeO3 thin films grown on 001 , 110 , and 111 SrTiO3 substrates in thicknesses up to 1 m. X-ray reciprocal space mappings reveal that the fabricated films have crystal structures and the strain relaxation dictated by the substrate orientation. The rhombohedral structure, which is observed in the bulk form, is maintained only when...
In this work, pure BiFeO3 and samples doped with different concentrations of chromium were synthesized to improve the optical properties efficiency solar cells based on BiFeO3. The sol-gel method was used for synthesis due its ability produce nanostructured materials high purity good homogeneity, as well possibility controlling size shape resulting particles. characterized by analytical techniq...
Bismuth ferrite suffers from high leakage currents and the presence of a complex incommensurate spin cycloidal magnetic ordering, which has limited its commercial viability and has led researchers to investigate the functionality of doped BiFeO3 ceramics. In particular, the substitution of rare earths onto the Bi(3+) site of the perovskite lattice have been shown to lead to improved functional ...
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