# Quantum Size Effect in Three-Dimensional Microscopic Semiconductor Crystals

“Quantum Size Effect in Three-Dimensional Microscopic Semiconductor Crystals” (2023), by A. I. Ekimov et al. Physics and Astronomy research paper. Original abstract below, unchanged. A free PDF is available.

- Authors: A. I. Ekimov, Aleksei A. Onushchenko
- Published: December 1, 2023
- Field: Physics and Astronomy
- DOI: https://doi.org/10.1134/s0021364023130040
- Free PDF: https://link.springer.com/content/pdf/10.1134/S0021364023130040.pdf

## Abstract

The exciton absorption spectrum of microscopic CuCl crystals grown in a transparent dielectric matrix has been studied. The size of the microscopic crystals was varied in a controlled manner from several tens of angstroms to hundreds of angstroms. There is a short-wave shift (of up to 0.1 eV) of the exciton absorption lines, caused by a quantum size effect.

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