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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: In this paper, a detailed magnetic force microscopy study has been made of the domain structure of isotropic nanocomposite Nd 2 Fe 14 B/Fe 3 B magnet ribbons prepared by melt-spinning.
48 citations
TL;DR: In this article, a single crystal of YBaCo 4 O 7, which has the stacking of kagome and triangular lattices of CoO 4 tetrahedra along the c -axis, was studied in the temperature range between 10 and 130 K.
Abstract: Neutron diffraction studies have been carried out in the temperature ( T ) range between 10 and 130 K on a single crystal of YBaCo 4 O 7 , which has the stacking of kagome and triangular lattices of CoO 4 tetrahedra along the c -axis. Structural transitions have been found at two temperatures T c1 ∼70 K and T c2 ∼105 K. With decreasing T , magnetic order appears along with the transition at T c2 , but it does not grow to an ideal long-range order even at the lowest T studied (∼10 K). Two groups of magnetic reflections, which originate from the Co moments of the kagome and triangular lattices, are observed. With further decreasing T , the growth rates of the intensities of these two reflection groups are enhanced by another transition at T c1 . These magnetic behaviors seem to be related to the release of the geometrical frustration. At 10 K, the patterns of the magnetic short-range order have been determined for both sites of the kagome and triangular lattices.
48 citations
TL;DR: In this article, the authors measured heat capacity and thermal expansion of rare earth dodecaborides RE B 12 (Y, Tb, Tm, Lu), which are diamagnetic and antiferromagnetic.
47 citations
TL;DR: In this article, the magnetic structure of holmium has been studied by neutron diffraction techniques and the magnetic form factor has been measured and compared with relativistic atomic calculations, and evidence for asphericity in the magnetization density is presented and discussed.
Abstract: The magnetic structure of high purity single crystals of holmium has been studied by neutron diffraction techniques. Although the general characteristics of the magnetic structure have been found to agree with earlier measurements, some discrepancies have been resolved and new features have been observed. The magnetic form factor has been measured and compared with relativistic atomic calculations. The low temperature structure (T<20 K) is that of a conical ferromagnet with wave vector (1/6)(2π/c) along the c axis. The basal plane moment is 9.7 μB and the c‐axis ferromagnetic component is 1.6 μB at T=6 K. Bunching of the basal plane moments around the easy hexagonal direction has been observed below T=50 K. Evidence for asphericity in the magnetization density is presented and discussed. The wave vector of the basal plane modulation decreases monotonically with temperature in general accordance with the Elliott–Wedgewood theory. Several inflection points were observed, however, which correspond to commens...
47 citations
TL;DR: In this paper, high field magnetic measurements and neutron diffraction experiments on the same powdered sample, already used in the High Field Mossbauer Study (HFMS) were performed to have a coherent view on the CoFe 2 O 4 magnetic structure.
47 citations