Surface atomic images of superconducting (Tl, Pb)Sr2Ca2Cu3O9

W ZHOU, D A JEFFERSON, W Y LIANG, A SOETA, T KAMO, S P MATSUDA

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12 Citations (Scopus)

Abstract

The surface structural chemistry of the high-T(c) superconductor, (Tl, Pb)Sr2Ca2Cu3O9 (Tl-1223), has been investigated by high resolution electron microscopy. Clean and flat (114) and (001) surfaces were observed using a profile imaging technique after electron beam irradiation. The (001) surface was found to be terminated with a (Tl, Pb)-O layer and to be stepped, consisting of different members of the (Tl, Pb)Sr2Can-1CunO2n+3 family with n = 1, 2, 3 and 4. The differences between the surface structures of Tl-1223 and Tl2Ba2Ca2Cu3O10 (Tl-2223) are discussed.

Original languageEnglish
Pages (from-to)335-344
Number of pages10
JournalPhysica C: Superconductivity
Volume202
Issue number3-4
DOIs
Publication statusPublished - 15 Nov 1992

Keywords

  • CU-O SYSTEMS

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