(Sr1-xCax)3Ru2O7 system: Optical and ARPES results

A. V. Puchkov, M. C. Schabel, D. N. Basov, T. Startseva, G. Cao, T. Timusk, Z. X. Shen

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


We present results of the first optical and angle-resolved photoemission (ARPES) measurements on the bilayer (Sr1-xCax)3Ru2O7, or (Ca/Sr)327, system. While the real part of optical conductivity, σ1(ω), of Sr327 is similar to that of the high-Tc cuprates, σ1(ω) of Ca327 can be described almost entirely by a single broad Drude-like component. The ARPES results show a dramatic change of the low-energy electronic structure with increasing Ca doping from a normal band metal to a narrow-band marginally metallic phase with a critical behavior at x ≃ 0.33.

Original languageEnglish (US)
Pages (from-to)1907-1911
Number of pages5
JournalJournal of Physics and Chemistry of Solids
Issue number10-12
StatePublished - 1998

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics


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