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Systematics of superconductivity in the La 2−xCuO4−δ and (La 2−xCax)CuO4−δ systems

✍ Scribed by H.C. Ku; S.W. Hsu; S.Y. Tsaur

Book ID
108465701
Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
160 KB
Volume
153-155
Category
Article
ISSN
0921-4534

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✍ J.E. Schirber; B. Morosin; R.M. Merrill; P.F. Hlava; E.L. Venturini; J.F. Kwak; 📂 Article 📅 1988 🏛 Elsevier Science 🌐 English ⚖ 237 KB

A variety of analytical tools have been combined to show that bulk superconducting La2CuO4+~ has a La to Cu ratio of 2.00 ( + 0.02 ) and an oxgen stoichiometry of 4.13 ( + 0.1 ). The combination of these analytical results and magnetization data with a model leads us to suggest that the excess charg