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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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Journal ArticleDOI
Minki Kim1, Ju Yeon Moon1, H. Y. Choi1, Seung-Hun Oh1, Noo Ri Lee1, Young Jai Choi1 
TL;DR: In this article, the authors synthesized the high-quality single crystals of double perovskite La 2 CoMnO 6 by flux method and investigated the effects of different annealing conditions on the magnetic properties.

14 citations

Journal ArticleDOI
TL;DR: In this article, the magnetic transitions and magnetoresistance properties of the HfFe6Ge6-type Y05Ho05Mn6Sn6 compound have been investigated in the temperature range of 5-380 K.
Abstract: Magnetic transitions and magnetoresistance of the HfFe6Ge6-type Y05Ho05Mn6Sn6 compound have been investigated in the temperature range of 5–380 K It was found that the compound displays paramagnetism, ferrimagnetism, antiferromagnetism, and reentrant ferrimagnetism with decreasing temperature The temperature range of the antiferromagnetic state can be narrowed by increasing the magnetic field, and the metamagnetic transition from the antiferro- to ferrimagnetic state can be induced by a fairly small threshold field (<6 kOe) The antiferro-ferrimagnetic transition is accompanied by a large magnetoresistance effect of about −16% at 100 K The magnetic transitions with temperature and magnetic field are both of the second order

14 citations

Journal ArticleDOI
TL;DR: In this article, the frequency field relations below T N turned out to be quite different among the above materials and were analyzed by the model which was used previously to interpret the two successive metamagnetic transitions observed in the magnetization process of R 2 Cu 2 O 5.
Abstract: Antiferromagnetic resonances (AFMR) and EPR of R 2 Cu 2 O 5 (R=Y, Lu, In) powders have been observed from 1.8 K to 265 K by submillimeter wave ESR in the frequency region 90 to 383 GHz using pulsed magnetic field up to 16 T. The frequency field relations below T N turned out to be quite different among above materials. AFMR modes have been analyzed by the model which was used previously to interpret the two successive metamagnetic transitions observed in the magnetization process of R 2 Cu 2 O 5 .

14 citations

Journal ArticleDOI
TL;DR: In this paper, the inverse magnetocaloric effect taking place at the antiferro-to-ferromagnetic transition of (Co,Fe)MnP phosphides has been characterised by magnetic and direct ΔTad measurements.
Abstract: The inverse magnetocaloric effect taking place at the antiferro-to-ferromagnetic transition of (Co,Fe)MnP phosphides has been characterised by magnetic and direct ΔTad measurements. In Co0.53Fe0.47MnP, entropy change of 1.5 Jkg−1 K−1 and adiabatic temperature change of 0.6 K are found at room temperature for an intermediate field change (ΔB = 1 T). Several methods were used to control the metamagnetic transition properties, in each case, a peculiar splitting of the antiferro-to-ferromagnetic transition is observed.

14 citations

Journal ArticleDOI
TL;DR: The effect of hydrogenating process on the homogeneity of hydrogen absorption in the La0.8Ce0.5 compounds was investigated in this paper, where it is attractive that the distribution of hydrogen atoms in the compounds becomes more uniform with increasing hydrogen pressure and annealing temperature.
Abstract: The effect of hydrogenating process on the homogeneity of hydrogen absorption in the La0.8Ce0.2 (Fe1−xMnx)11.5Si1.5 compounds was investigated. It is attractive that the distribution of hydrogen atoms in the compounds becomes more uniform with increasing hydrogen pressure and annealing temperature. Homogeneous hydrides of La0.8Ce0.2(Fe0.985Mn0.015)11.5Si1.5 were obtained by annealing them at the temperature of 773 K and under the hydrogen atmosphere of 0.5 MPa. With changes of Mn content, the Curie temperatures (TC) of the hydrides of La0.8Ce0.2 (Fe1−xMnx)11.5Si1.5 can be adjusted in the room temperature range from 279 to 312 K. Large magnetic entropy changes due to the itinerant-electron metamagnetic transition are obtained in the room temperature range for the hydrides of La0.8Ce0.2(Fe1−xMnx)11.5Si1.5.

14 citations

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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202320
202249
202117
202015
201937
201837