Vanishing of Electron-Hole Asymmetry in Nano-Sized Charge Ordered Manganites Pr(1-x)Ca(x)MnO3 (x=0.36, 0.64)- EPR Studies

Details Vanishing of Electron-Hole Asymmetry in Nano-Sized Charge Ordered Manganites Pr(1-x)Ca(x)MnO3 (x=0.36, 0.64)- EPR Studies Vanishing of Electron-Hole Asymmetry in Nano-Sized Charge Ordered Manganites Pr(1-x)Ca(x)MnO3 (x=0.36, 0.64)- EPR Studies

2010-10-18

arxiv.org/abs/1010.3556v1

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

We observe a disappearance of electron-hole asymmetry in hole and electron doped manganites of composition Pr(1-x)Ca(x)MnO3 (x=0.36, 0.64), as reflected in the g-parameter values. The bulk property of opposite g-shifts in room temperature seems to have disappeared in nanoparticles. We analyze the results in the light of ferromagnetic fluctuations and melting of charge order in nanoparticles.

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