Distribution of Valence Electrons in Antiferromagnetic Molecular Crystals with a Triangular Lattice (IMAGE)

Ehime University

Distribution of Valence Electrons in Antiferromagnetic Molecular Crystals with a Triangular Lattice

Caption

Using synchrotron infrared light and near-infrared/visible lasers without applying a magnetic field, we observed the response of valence electrons in the (C₂H₅)(CH₃)₃As[Pd(C₃S₅)₂]₂ crystal. The results revealed that approximately half of the valence electrons contribute to antiferromagnetism, while the other half form weak pairs associated with charge ordering and lattice distortion. By comparing the valence electron arrangement identified in this study with previously reported spin liquids and superconductors, significant similarities were discovered.

Credit

Takashi Yamamoto, Ehime University

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