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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 18, Number 9
BKCSDE 18(9)
September 20, 1997 

Spectroscopic Studies on the High-Tc Superconducting La2CuO4+δ Prepared by Electrochemical Oxidation
Jung-Chul Park*, Alain Wattiaux, Jean-Claude Grenier, Dong-Hoon Kim, Jin-Ho Choy
A superconducting phase La2CuO4+δ (Tc=44 K) has been prepared by electrochemical oxidation which allows the oxygen to intercalat into the La2O2 layers. According to the Cu K-edge X-ray absorption near edge structure spectroscopic analysis, the oxidized phase shows an overall spectra shift of about 0.5 eV to a higher energy region compared to the as sintered one with the occurrence of an additional peak corresponding to the transition to the
916 - 922
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