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Superconducting phase diagram of Nax(H3O)zCoO2 · yH2O

✍ Scribed by Hiroya Sakurai; Kazunori Takada; Takayoshi Sasaki; Eiji Takayama-Muromachi

Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
124 KB
Volume
460-462
Category
Article
ISSN
0921-4534

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✦ Synopsis

Superconducting phase diagram of sodium cobalt oxyhydrate was determined. It was proved that the superconductivity is very sensitive to the isovalent ion exchange between the Na + and H 3 O + ions but rather insensitive to the Co valence, suggesting that e 0 g bands play a crucial role in the occurrence of the superconductivity.

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