Sensitivity to Disorder of the Metallic State in the Ruthenates

Lucia Capogna, Andrew Mackenzie, Robin Perry, Santiago Grigera, Louise Galvin, Pratap Raychaudhuri, Andrew Schofield, CS Alexander, G Cao, SR Julian, Y Maeno

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87 Citations (Scopus)


We report the results of transport measurements on SrRuO3, Sr3Ru2O7, and CaRuO3. In SrRuO3 and Sr3Ru2O7, our findings are consistent with the predictions of Fermi liquid theory, in contrast to previous reports based on samples with much shorter mean free paths. In CaRuO3, however, a T-1.5 power law is seen in the resistivity in the high purity samples studied here. Our work gives concrete evidence that even the metallic state of the ruthenates is highly sensitive to disorder.
Original languageEnglish
Article number076602
JournalPhysical Review Letters
Issue number7
Early online date1 Feb 2002
Publication statusPublished - 1 Feb 2002


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