'Na content' diaporamas de présentation

Electrons on a triangular lattice in Na-doped Cobalt Oxide

Electrons on a triangular lattice in Na-doped Cobalt Oxide. Yayu Wang, Maw Lin Foo, Lu Li, Nyrissa Rogado, S. Watauchi, R. J. Cava, N.P.O. Princeton University. Frustration on triangular lattice Large thermopower in Na x CoO 2 ARPES Hall effect Phase diagram. Supported by NSF, ONR.

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Superconductivity with T c up to 4.5 K

Superconductivity with T c up to 4.5 K. 3d 5. 3d 6. Crystal field splitting. Low-spin state:. x=0.82. Co 4+. Co 3+. Muon Spin Rotation establishes: - bulk magnetic order - commensurate order (guess A-type AF) -the moment is about 0.3 m B.

564 views • 39 slides

Diet Preventing Diseases: Lessons from HSFSA

248 views • 17 slides