Core-exciton interaction in sodium L2,3 edge structure investigated using the Bethe-Salpeter equation

Kota Tomita, Tomohiro Miyata, Weine Olovsson, Teruyasu Mizoguchi

研究成果: Article査読

10 被引用数 (Scopus)

抄録

Despite the importance of sodium compounds for their application in sodium-ion rechargeable batteries, core-exciton interactions in sodium L2,3 edge core-electron loss spectra are not well-understood. In this study, Bethe-Salpeter equation calculations of sodium L2,3 edges of sodium compounds were performed to understand the relationships between the core-exciton interactions and the electronic structure of sodium compounds. It was revealed that the core-exciton interaction of sodium compounds is strongly dependent on the compounds. We found that neither band gap nor ionic charge can explain the trend; however, the transition energy shows a clear correlation to the magnitude of the core-exciton interaction. These results indicate that the magnitude of the core-exciton interaction is decided by the excited electronic structure of each compound.

本文言語English
ページ(範囲)9036-9042
ページ数7
ジャーナルJournal of Physical Chemistry C
120
17
DOI
出版ステータスPublished - 2016 5 5
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • エネルギー(全般)
  • 物理化学および理論化学
  • 表面、皮膜および薄膜

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