Ca3Ru2O7: Electronic instability and extremely strong quasiparticle renormalisation
- Kikugawa, N.
- Rost, A.
- Baumberger, F.
- Ingle, N. J. C.
- Hossain, M. A.
- Meevasana, W.
- Shen, K. M.
- Lu, D. H.
- Damascelli, A.
- Mackenzie, A. P.
- Hussain, Z.
- Shen, Z. X.
Publication date
March 2007
DOIAbstract
We report on the electronic structure of the bilayer ruthenate Ca3Ru2O7 using high quality single-crystals grown by a floating-zone method which have the lowest residual resistivity so far achieved. The quantum oscillation, specific heat, and angle-resolved photoemission-spectroscopy (ARPES) measurements performed on these crystals establish that Ca3Ru2O7 is a quasi two-dimensional low-carrier metal with a density-wave instability. (c) 2006 Elsevier B.V. All rights reserved.</p
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