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 paper, the magnetization as a function of magnetic field within a quasi-particle band description of the heavy-fermion compounds was investigated and a tendency towards metamagnetism in CeRu2Si2 was found.
Abstract: In this paper we investigate the magnetization as a function of magnetic field within a quasi-particle band description of the heavy-fermion compounds. By including the anisotropy of the hybridization matrix element we find a tendency towards metamagnetism in CeRu2Si2. Impurity models are shown to be inadequate in describing this phenomenon.
20 citations
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TL;DR: In this article, the magnetoelectrical properties of polycrystalline Pr0.58Ca0.42MnO3 thin films (thickness∼300nm) deposited on single crystal LaAlO3 (LAO) and SrTiO3(STO) substrates are reported.
Abstract: We report the magnetoelectrical properties of polycrystalline Pr0.58Ca0.42MnO3 thin films (thickness∼300 nm) deposited on single crystal LaAlO3 (LAO) and SrTiO3 (STO) substrates. The films on LAO show charge ordering (CO) at TCO≈240 K, with a metamagnetic ground state akin to the cluster glass (CG). In PCMO/STO films the CO is quenched and enhanced magnetic moment in the CG state suggests stronger ferromagnetic component. The resistivity of the films on LAO and STO differ drastically, the former has temperature dependence typical to the CO state, while the later show thermal cycling dependent insulator-metal transition (IMT). The large hysteresis in the temperature dependent resistivity provides the evidence of cluster coexistence. The films on STO also exhibit colossal magnetoresistance (CMR∼91%) at moderate magnetic field (∼10 kOe). The CO quenching, IMT, and CMR are explained in terms of the substrate induced magnetoelectrical phase coexistence.
20 citations
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TL;DR: ErRu2Si2, ErOs 2Si2 and DyRu 2 Si2 have been investigated by magnetization, neutron diffraction, and Mossbauer measurements as discussed by the authors.
20 citations
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TL;DR: In this article, a metamagnetic transition from low to high moment state was observed at 21 T in Ce(Co 0.9 Ni 0.1 ) 5, and the Co moment was found to be in the high moment states for CeCo 5 and in the low moment state for x ≥ 0.3.
20 citations