New photoemission data are presented for a series of Ce-doped or undoped, reduced or nonreduced, Nd cuprates. The data, taken with high signal-to-noise level in the constant-initial-state mode, demonstrate the presence of Cu+, in contrast with previous photoemission and electron-energy-loss studies.
VALENCE STATE OF COPPER IN ND2-XCEXCUO4
CAPOZI M;QUARESIMA C;OTTAVIANI C;PERFETTI P;
1991
Abstract
New photoemission data are presented for a series of Ce-doped or undoped, reduced or nonreduced, Nd cuprates. The data, taken with high signal-to-noise level in the constant-initial-state mode, demonstrate the presence of Cu+, in contrast with previous photoemission and electron-energy-loss studies.File in questo prodotto:
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