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Magnetic structure
About: Magnetic structure is a research topic. Over the lifetime, 10787 publications have been published within this topic receiving 207143 citations.
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TL;DR: The 57 Fe spin echo spectra were studied in local magnetic fields of a BiFeO3 ferroelectric antiferromagnet over the temperature range 77-304 K as mentioned in this paper.
Abstract: The 57 Fe spin echo spectra were studied in local magnetic fields of a BiFeO3 ferroelectric antiferromagnet over the temperature range 77–304 K The line shape analysis confirmed the presence of a spatially modulated, incommensurate cycloidal spin structure in BiFeO3 and allowed the actual spin distribution to be reproduced throughout the cycloid length The distribution was found to be essentially anharmonic The modulated structure is stable over the whole temperature range studied The cycloid wave becomes more harmonic with temperature elevation
92 citations
TL;DR: In this article, the magnetic properties of BaFe 11.9 Me 0.1 O 19 (Me = In 3 + and Ga 3 + ; x = 1.1 − 1.2 ) solid solutions have been investigated by time-of-flight neutron diffraction method.
92 citations
TL;DR: The system orders into a ferromagnetically canted antiferromagnetic state via a single transition below 155 K regardless of film thickness, which is substantially lower than that previously reported in hexagonal LuFeO_{3} films.
Abstract: We report on the magnetic structure and ordering of hexagonal ${\mathrm{LuFeO}}_{3}$ films of variable thickness grown by molecular-beam epitaxy on YSZ (111) and ${\mathrm{Al}}_{2}{\mathrm{O}}_{3}$ (0001) substrates. These crystalline films exhibit long-range structural uniformity dominated by the polar $P{6}_{3}cm$ phase, which is responsible for the paraelectric to ferroelectric transition that occurs above 1000 K. Using bulk magnetometry and neutron diffraction, we find that the system orders into a ferromagnetically canted antiferromagnetic state via a single transition below 155 K regardless of film thickness, which is substantially lower than that previously reported in hexagonal ${\mathrm{LuFeO}}_{3}$ films. The symmetry of the magnetic structure in the ferroelectric state implies that this material is a strong candidate for linear magnetoelectric coupling and control of the ferromagnetic moment directly by an electric field.
92 citations
TL;DR: In this paper, structural and magnetic evolutions in manganese ferrite caused by high-energy ball-milling are investigated by X-ray diffraction, magnetization and Mossbauer spectroscopy.
91 citations
TL;DR: For alloys known from magnetic measurements to have a complex magnetic structure (such as long range ferromagnetism with superimposed short range antiferromagnetic structure), γ does not correlate with the electron concentration as mentioned in this paper.
91 citations