Abstract
There have been numerous published reports on the nature of oxidation states of copper in high-Tc superconducting materials. The primary interest in the valence studies of copper stems from the fact that ionic states and electron distribution of copper play a crucial role in the superconducting mechanism. It is now well established that the crystal structure and transition temperature1’2 are intrinsically correlated with the oxygen content and, in turn, the valency of copper. Oxygen is a highly mobile species in these compounds where changes in its composition are easily induced by annealing3.
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Salkalachen, S., Salkalachen, E., John, P.K., Froelich, H.R., Tong, B.Y., Wong, S.K. (1989). Determination of Oxidation States of Copper in YBaCuO Thin Films by Electrochemical Analysis. In: McConnell, R.D., Wolf, S.A. (eds) Science and Technology of Thin Film Superconductors. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-5658-5_51
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DOI: https://doi.org/10.1007/978-1-4684-5658-5_51
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