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- W2577065908 abstract "Effects of oxygen deficiency on the magnetic and transport properties of La2/3Ba1/3MnO3-δpolycrystalline perovskites have been investigated.As the nonstoichiometry parameter δ increases from 0.00 to 0.10,the lattice parameters at room temperature increase from 3.892(30 A to 3.909(3) A,the resistivity increases and the ferromagnetic ordering transiton temperature shifts from 337K to 268K.A large magnetoresistance effect with -△ρ/ρ0 of about 30%(955kA/m，δ=0.10)and a large mangetic entropy change of about 2.7j/kg·k（796KA/m，δ=0.00) is obtainedin polycrystalline La2/3 Ba1/3MnO3-δ.The enhanced magnetoresistance effect at low temperature would be ralated to the grain boundaries of the polycrystalline samples." @default.
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- W2577065908 date "2003-01-01" @default.
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- W2577065908 title "Magnetic and Transport Properties of oxygen—Deficient Perovskite Manganites" @default.
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