Topic
Metamagnetism
About: Metamagnetism is a research topic. Over the lifetime, 2023 publications have been published within this topic receiving 38108 citations.
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TL;DR: In this article, the magnetization curves of itinerant electron metamagnets Y(Co1-xAlx)2 have been measured in high magnetic fields up to 42 T under high pressure to 1 GPa.
Abstract: The magnetization curves of itinerant electron metamagnets Y(Co1-xAlx)2 have been measured in high magnetic fields up to 42 T under high pressure to 1 GPa. The critical field of the metamagnetic transition Bc was found to increase with pressure with a rate dBc/dP = 7.8 T GPa-1 for x = 0.075 and 7.4 T GPa-1 for x = 0.09. The initial volume compressibility amounts to 8.7 × 10-3 GPa-1 at 77 K. The decrease of Bc due to Al substitution for Co in Y(Co1-xAlx)2 has been considered to originate from two separate mechanisms: the change of the electronic structure produced by Al substitution under the condition of constant volume and the change by the increase in the interatomic distance. The two contributions are estimated to be nearly equal.
8 citations
TL;DR: In this article, high pressure magnetization measurements performed at low temperature on a single crystal of ThCo 5 were performed under an applied magnetic field and a sharp itinerant electron metamagnetic transition was observed.
8 citations
TL;DR: In this paper, the magnetic properties of SmMn2−xFexGe2 (x=0.05 and 0.15) compounds have been studied by magnetic and resistance measurements in the temperature range between 30 and 350 K.
8 citations
TL;DR: The RCo3Sn compounds where R=Gd to Tm, as well as the new SmCo3sn, have been synthesized and their magnetic properties investigated from 4 to 300 K and under 7-9 T.
8 citations
TL;DR: In this paper, the authors investigated the dynamic properties of metamagnetic transition in FeTiO 3 by monitoring the time-dependent change in magnetization of the spherical single crystal and found that the time evolution of the magnetization at the transition was extremely slow; the relaxation time at 4.2 K reaches more then 15 min when the external field was suddenly increased from 70 kOe (H c ≈kOe) to 82.3k Oe ( > H c ).
Abstract: Dynamical properties of metamagnetic transition in FeTiO 3 have been investigated by monitoring the time-dependent change in magnetization of the spherical single crystal. The time evolution of the magnetization at the transition was found to be extremely slow; the relaxation time at 4.2 K reaches more then 15 min when the external field was suddenly increased from 70 kOe ( H c ≈kOe) to 82.3 kOe ( > H c ). Systematic difference in the time dependence has been found in the antiferromagnetic to ferromagnetic (increasing field) and ferromagnetic to antiferromagnetic transition (decreasing field). Forced magnetostriction has also been measured at 4.2K; a discontinuous change in length along the hexagonal c -axis at the metamagnetic transition amounts to 0.0%, to which the slow relaxation of the magnetization may be ascribed.
8 citations