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Metal-insulator transition in the S = 12 spin ladder system (Sr0.4Ca0.6)14Cu24−xCoxO41−δ

✍ Scribed by J. Akimitsu; M. Uehara; T. Nagata; S. Matsumoto; Y. Kitaoka; H. Takahashi; N. Môri


Book ID
103950276
Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
379 KB
Volume
263
Category
Article
ISSN
0921-4534

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Metal-insulator transition in the S = 12
✍ M. Uehara; M. Ogawa; J. Akimitsu 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 674 KB

We have found that the (Sro.4Ca0.6)14Cu24\_xCOxO41\_ 8 system shows a metal-insulator transition at Co content x between 4.0 and 4.5 after high-pressure 0 2 annealing. For the as-sintered samples the T dependence of the electrical resistivities is semiconducting over the whole x range and the associ