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- W1974874922 abstract "Room temperature magnetocaloric effect in La-deficient bulk perovskite manganite La0.7MnO3−δ prepared by conventional solid-state reaction has been reported. The maximum value of the magnetic entropy change (about−1.32 J/kg K) and the refrigerant capacity (approximately close to 37 J/kg) had been obtained at 290 K corresponding to a magnetic field variation of 1 T for La0.7MnO3−δ. It is the strong Jahn–Teller coupling that changes Mn–O bond length and Mn–O–Mn bond angles and then the canted spin arrangement and induces the strong double-exchange coupling to a comparatively high magnetic transition temperature. This Curie temperature near room temperature with easy fabrication and higher chemical stability makes La0.7MnO3−δ a potential candidate as a working substance in magnetic refrigeration technology." @default.
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- W1974874922 date "2011-04-01" @default.
- W1974874922 modified "2023-10-02" @default.
- W1974874922 title "Room temperature magnetocaloric effect of La-deficient bulk perovskite manganite La0.7MnO3−δ" @default.
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- W1974874922 doi "https://doi.org/10.1016/j.physb.2011.01.044" @default.
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