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Ca3Ru2O7: Electronic instability and extremely strong quasiparticle renormalisation

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Kikugawa, N., Rost, A., Baumberger, F., Ingle, N. J. C., Hossain, M. A., Meevasana, W., et al. (2007). Ca3Ru2O7: Electronic instability and extremely strong quasiparticle renormalisation. Journal of Magnetism and Magnetic Materials, 310(2), 1027-1029. doi:10.1016/j.jmmm.2006.10.225.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0018-F1F2-C
Abstract
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.