Physical Properties of Single-Crystalline CaRuO_3 Grown by a Floating-Zone Method(Condensed matter: electronic structure and electrical, magnetic, and optical properties)

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概要

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• We report the successful growth of single crystals of the perovskite ruthenate CaRuO_3 by a floating-zone method, and characterization of their physical properties by x-ray diffraction, electrical resistivity, magnetic susceptibility, and specific heat. Although the system is strongly correlated, with an electronic specific heat coefficient of approximately 80mJ/(mol K^2 Ru), the physical properties are nearly isotropic, reflecting the almost cubic crystal structure. No obvious phase transitions are observed down to 0.12K, in contrast to observations on other metallic ruthenates with the Ruddlesden-Popper type layered perovskite structure A_<n+1>Ru_nO_<3n+1> such as Sr_2RuO_4, Sr_3Ru_2O_7, and Ca_3Ru_2O_7.

• 社団法人日本物理学会の論文
• 2009-01-15

著者

• Balicas Luis

  National High Magnetic Field Laboratory Florida State University

• Balicas Luis

  National High Magnetec Field Laboratory Florida State University

• Kikugawa Naoki

  National Institute For Materials Science:scottish Universities Physics Alliance School Of Physics An

• MACKENZIE Andrew

  Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St. Andrews

• Mackenzie Andrew

  Scottish Universities Physics Alliance School Of Physics And Astronomy University Of St. Andrews

• Kikugawa Naoki

  National Inst. Materials Sci. Ibaraki

関連論文

• Global aphase Diagram of the Magnetic Field-Induced Organic Superconductors λ-(BETS)_2Fe_xGa_Cl_4
• Physical Properties of Single-Crystalline CaRuO_3 Grown by a Floating-Zone Method(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
• Tunnelling Spectroscopy of the Interface between Sr_2RuO_4 and a Single Ru Micro-Inclusion in Eutectic Crystals
• Ca3Ru2O7: Density Wave Formation and Quantum Oscillations in the Hall Resistivity
• Magnetoelectric Feedback among Magnetic Order, Polarization, and Lattice in Multiferroic BiFeO3

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