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Nonlinear Optics (Mclc) Section B Volume 29, 2002 - Issue 7-9
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Original Articles

Biexciton Luminescence in the Layered Perovskite-Type Materials Induced by High-Energy Ion Irradiation

M. Koshimizu Department of Quantum Engineering and Systems Science, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan; CREST, Japan Science and Technology Corporation (JST), 1-4-25 Mejiro, Toshima-ku, Tokyo, 171-"0031, Japan
,
K. Shibuya Department of Quantum Engineering and Systems Science, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan; CREST, Japan Science and Technology Corporation (JST), 1-4-25 Mejiro, Toshima-ku, Tokyo, 171-"0031, Japan
,
K. Asai Department of Quantum Engineering and Systems Science, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan; CREST, Japan Science and Technology Corporation (JST), 1-4-25 Mejiro, Toshima-ku, Tokyo, 171-"0031, Japan
&
H. Shibata Research Center for Nuclear Science and Technology, The University of Tokyo, Shirane, Shirakata, Tokai-mura, Ibaraki, 319-1106, Japan
Pages 397-402 | Published online: 18 Oct 2010
 

Abstract

We have measured the luminescence spectra of the layered perovskite-type material induced by high-energy ions and observed the biexciton luminescence peak. From the ratio of the intensity of the biexciton luminescence peak to that of the free exciton peak, we have estimated the excitation intensities for 1.0 v; MeV H + , 2.0 v; MeV H + , and 2.0 v; MeV He + ions. A quantitative agreement is obtained between the experimental value for the ratio of the excitation intensity and the calculated value using the TRIM code.

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