Titlebook: Crystal Chemistry of High-Tc Superconducting Copper Oxides; Bernard Raveau,Claude Michel,Daniel Groult Textbook 1991 Springer-Verlag Berli

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Crystal Chemistry of High-Tc Superconducting Copper Oxides

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Phases of the Systems A-La-Ca-Cu-O and A-Y-Ca-Cu-O (A = Ca, Sr, Ba): Structural Aspects,avior. The possibility of generating copper oxides with metallic properties was considered in Caen as early as 1979 on the basis of a mixed valence Cu(II)/Cu(III). Nevertheless, such an idea appeared at that time difficult to implement easily, since the only Cu(III) oxide which was known was the per

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Substitutions in La2CuO4-Type and YBa2Cu3O7-Type Superconductors, superconducting properties. Thus, this chapter will focus above all on the chemical and crystallographic aspects of these substitutions and on their relationships with the superconducting properties, especially the evolution of the critical temperature. For practical reasons, most of the references

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0933-033X rials, bearing in mind that redox reactions are the key to the optimization of their supercon- ducting properties, owing to the importance of the mixed valence 978-3-642-83894-1978-3-642-83892-7Series ISSN 0933-033X Series E-ISSN 2196-2812

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Wireless Optical Intensity Channelseractions between superconductivity and paramagnetism but also in the field of organic superconductors [1.2–5]. However, an increase in the critical temperature of about 10 K, or even of only a few degrees, appeared unlikely, in spite of the observations made by . in organic superconductors [1.6]. T

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Textbook 1991ing to their spectacular superconducting properties. We have focused on the struc- ture, chemical bonding and nonstoichiometry of these materials, bearing in mind that redox reactions are the key to the optimization of their supercon- ducting properties, owing to the importance of the mixed valence

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