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Carrier concentration dependence of doping effects and the critical concentration of metal-insulator transition in La2−ySryCu1−xNixO4

✍ Scribed by M. Sato; H. Fujishita; M. Sera

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
371 KB
Volume
165-166
Category
Article
ISSN
0921-4526

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✍ K. Sreedhar; P.A. Metcalf; J.M. Honig 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 785 KB

Electrical resistivity and magnetization measurements have been carried out on the La,\\_,Sr,Cu,\\_,,Ni,,O, system with 0.05 Ix< 0.25 and 0 I ~50.08. The superconducting transition temperature (T,) as well as the Sr composition range at which superconductivity occurs both show a progressive decrease