電極反応によるBi‐2212相へのLiのインターカレーション/ディインターカレーション

書誌事項

タイトル別名
  • Lithium Intercalation/Deintercalation of the Bi-2212 Phase by Electrochemical Method.
  • デンキョク ハンノウ ニヨル Bi 221 2ソウ エ ノ Li ノ インター

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抄録

The effects of electrochemical removal reaction of lithium from the Li-doped Bi-2212 phase on its structure and superconducting properties have been studied. Lithium was inserted into and removed from Bi2Sr1.5Ca1.5Cu2Oz through an electrochemical. method at a constant applied potential at room temperature. The original crystal symmetry, tetragonal structure, was maintained and any secondary phase was not formed throughout the electrochemical reactions. Lattice parameter c of the doped samples, LixBi2Sr1.5Ca1.5Cu2Oz, decreased and Tc changed reversibly as the lithium content x decreased, It reveals that the electrochemical reactions were intercalation/deintercalation of the Bi-2212 phase with lithium.

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