Magnetic and Electric properties of La_{1-delta}MnO_{3}

Details Magnetic and Electric properties of La_{1-delta}MnO_{3} Magnetic and Electric properties of La_{1-delta}MnO_{3}

1998-03-02

arxiv.org/abs/cond-mat/9803024v3

Physics

Condensed Matter

Strongly Correlated Electrons

8pages; 6 figures as EPS files added

Scientific paper

10.1103/PhysRevB.59.1304

The magnetic phase diagram of $La_{1-\delta}MnO_{3}$ powdered samples have been studied as a function of $\delta $ in the low doping range. $La_{0.97}MnO_{3}$ has a canted magnetic structure at low temperature $(\theta \simeq 130\QTR{group}{{}^{\circ}})$. Above $T_{C}=118K$, it becomes a paramagnet with a huge effective magnetic moment, $\mu_{eff}=6.0\mu_{B}$, reflecting the presence of magnetoelastic polarons which are not affected by the magnetic field (up to 20T) nor the temperature $(1.2T_{C}

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