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Bersweiler, M.*; Oba, Yojiro; Sinaga, E. P.*; Peral, I.*; Titov, I.*; Adams, M. P.*; Rai, V.*; Metlov, K. L.*; Michels, A.*
Physical Review B, 108(9), p.094434_1 - 094434_7, 2023/09
Times Cited Count:4 Percentile:50.15(Materials Science, Multidisciplinary)Monti, S.*; Toti, A.*; Stanculescu, A.*; Pascal, V.*; Fontaine, B.*; Herrenschmidt, A.*; Prulhiere, G.*; Vanier, M.*; Varaine, F.*; Vasile, A.*; et al.
IAEA-TECDOC-1742, 247 Pages, 2014/06
Ito, Shinichi*; Kajimoto, Ryoichi; Adams, M. A.*; Bull, M. J.*; Iwasa, Kazuaki*; Aso, Naofumi*; Yoshizawa, Hideki*; Takeuchi, Tetsuya*
Journal of Magnetism and Magnetic Materials, 310(2, Part2), p.1549 - 1551, 2007/03
We investigated static and dynamical properties in the three-dimensional percolating Heisenberg antiferromagnets, RbMnMg
F
, with the magnetic concentration close to the percolation threshold,
, around the superlattice point well below
. In neutron diffraction experiment, the wave number dependence of the elastic scattering component was well fitted to
. Magnetic fractons were also studied using inelastic neutron scattering, and the observed fractons showed the dispersion relation of
. The determined exponents,
and
, were in good agreement with the fractal dimension (
).
Ito, Shinichi*; Kajimoto, Ryoichi; Adams, M. A.*
Journal of the Physical Society of Japan, 74(1), p.279 - 282, 2005/01
Times Cited Count:3 Percentile:26.25(Physics, Multidisciplinary)Magnetic fractons in the near-percolating three-dimensional (3D) Heisenberg antiferromagnet, RbMnMg
F
, have been studied using inelastic neutron scattering with high energy resolution (
eV) and at low temperature (
K). It is demonstrated that the fractons follow the dispersion relation of
(q being the wave number). The observed exponent,
, is in good agreement with the fractal dimension of the 3D system (
), as predicted by theory.