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- W2090847051 abstract "Magnetic, magnetoresistive, and magnetocaloric properties of a novel double perovskite oxide, namely, LaCaMnCoO6 have been studied. Polycrystalline sample of LaCaMnCoO6 has been synthesized by sol-gel technique. It has cubic crystal structure (space group Fm3¯m) at room temperature. The temperature variation in magnetization reveals a steep increase in magnetization around 168K (TC). The magnetization does not even saturate at 5K and a magnetic moment of 0.7μB∕f.u. is obtained at 5K in an applied field of 50kOe. The electrical resistivity measurement indicates that the material is semiconducting-like in the temperature range of ∼300–50K and below ∼50K the sample becomes insulating. A maximum magnetoresistance (MR) of about 8% is found at 200K in an applied field of 7T and MR has a negative sign. The magnetocaloric effect is calculated from the magnetization versus temperature data and a maximum magnetic entropy change of 3.1J∕kgK for a field change of 11kOe is obtained near TC. Thus a moderate magnetocaloric effect is achieved in rather low magnetic fields." @default.
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- W2090847051 date "2009-02-05" @default.
- W2090847051 modified "2023-10-16" @default.
- W2090847051 title "Magnetic, transport, and magnetocaloric properties of double perovskite oxide LaCaMnCoO6" @default.
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- W2090847051 doi "https://doi.org/10.1063/1.3059592" @default.
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