Raman spectra of HgBa2Ca2Cu3O8+d superconductors

In Sang Yang, Hye Gyong Lee, Hye Soo Shin, Jung Hae Park, Sung Ik Lee, Sergey Lee

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Abstract

We have measured Raman spectra of HgBa2Ca2Cu3O8+d (Hg-1223) superconductors. The spectra show peaks at 92, 127, 138, 230, 479, 538, 574, and 585 cm-1. From a factor group analysis and the structural information about Hg-1223, we assign the modes at 92, 574, and 585 cm-1 to be A1g modes of Ba, O(2) and O(3) atoms, respectively. The modes at 479 and 538 cm-1 are proposed to be Eg modes of O(3) bending and O(2) stretching vibrations, respectively. Details of mode assignments are given in the discussion.

Original languageEnglish
Pages (from-to)386-392
Number of pages7
JournalPhysica C: Superconductivity and its Applications
Volume222
Issue number3-4
DOIs
StatePublished - 20 Mar 1994

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