Mixed Crystallization Effects on the Optical Properties of Multilayer Alkali Halide Films

Keiichi Edamatsu, Shoichi Hirota, Masamitsu Hirai

研究成果: Article査読

4 被引用数 (Scopus)

抄録

The optical properties and X-ray diffraction of the MI-MBr and MI-MCI (M = K, Rb) multilayer (ML) films were investigated. The excitonic absorption spectra of the MI-MBr ML films with layers thinner than 10 nm (layers in a film were of equal thickness) showed a blue shift, while those of the MI-MCI ML films did not. The luminescence spectra and the X-ray diffraction profiles of the thin-layered KI-KBr ML films were very similar to those of the mixed crystal, indicating close similarity of crystallographic structure. Thus, the observed blue shift of the excitonic absorption for the thin-layered MI-MBr ML films seems to originate from the interlayer mixed crystallization grown by diffusion in the boundary region between layers, but not from the quantum-confinement effect.

本文言語English
ページ(範囲)2543-2549
ページ数7
ジャーナルjournal of the physical society of japan
61
7
DOI
出版ステータスPublished - 1992 1 1

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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