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PHYS07200604007 Manas Kumar Dala - Homi Bhabha National ...

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Electronic Structure of Pr 1−x Ca x MnO 3 89<br />

Ca 2p<br />

Temp = 300 K<br />

2p 3/2<br />

2p<br />

1/2<br />

Intensity (arb. units)<br />

0.84<br />

0.4<br />

0.33<br />

0.2<br />

352<br />

348 344<br />

Binding Energy (eV)<br />

(a)<br />

340<br />

Ca 2p<br />

2p 1/2<br />

2p 3/2<br />

Temp = 77 K<br />

Intensity (arb. units)<br />

0.84<br />

0.4<br />

0.33<br />

0.2<br />

352<br />

348 344<br />

Binding Energy (eV)<br />

(b)<br />

340<br />

Figure 4.7: The Ca 2p core-level XPS (Mg Kα) spectra of Pr 1−x Ca x MnO 3 taken at<br />

room temperature (a) and 77 K (b).

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