Two-photon excitation spectra of confined excitons in cucl nanocrystals

K. Edamatsu; K. Hisakawa; T. Itoh

doi:10.1103/PhysRevB.59.15868

Two-photon excitation spectra of confined excitons in cucl nanocrystals

K. Edamatsu, K. Hisakawa, T. Itoh

Broadband Engineering Division

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

We investigated two-photon excitation spectra of confined excitons of CuCl nanocrystals embedded in a NaCl matrix. The spectra exhibit a sharp increase that is attributed to transitions into higher Coulombic states (Formula presented) of the confined excitons, and its position shifts to a higher energy side with decreasing crystal size. We also discuss the difference in peak positions between one- and two-photon absorption spectra in the presence of a broad inhomogeneous width due to the size distribution.

Original language	English
Pages (from-to)	15868-15871
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	59
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevB.59.15868
Publication status	Published - 1999 Jan 1

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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AB - We investigated two-photon excitation spectra of confined excitons of CuCl nanocrystals embedded in a NaCl matrix. The spectra exhibit a sharp increase that is attributed to transitions into higher Coulombic states (Formula presented) of the confined excitons, and its position shifts to a higher energy side with decreasing crystal size. We also discuss the difference in peak positions between one- and two-photon absorption spectra in the presence of a broad inhomogeneous width due to the size distribution.

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