Transient optical absorption induced by an electron pulse in KPb 2Cl5 crystals

A. A. Smirnov, I. N. Ogorodnikov, V. A. Pustovarov, L. I. Isaenko, V. Yu Yakovlev

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The efficiency of formation and time evolution of radiation-induced structural defects and pulsed luminescence in KPb2Cl5 crystals under the action of a single electron pulse (E = 250 keV, τ = 20 ns) have been investigated. The spectra (1.1-3.8 eV) and relaxation kinetics (time interval 5 × 10-8-5 s) of transient optical absorption and the pulsed cathodoluminescence spectra and decay kinetics (1.4-3.1 eV) have been measured in the temperature range 80-300 K. It is revealed that the induced optical density and its time evolution depend strongly on temperature, and the absorption relaxation time contains several components and reaches several seconds at T = 300 K. The decay kinetics of transient absorption and pulsed cathodoluminescence kinetics have different orders and are controlled by different relaxation processes.

Original languageEnglish
Pages (from-to)377-379
Number of pages3
JournalOptics and Spectroscopy (English translation of Optika i Spektroskopiya)
Volume105
Issue number3
DOIs
Publication statusPublished - Sep 2008

Fingerprint

Light absorption
optical absorption
Crystals
Kinetics
Cathodoluminescence
Electrons
kinetics
cathodoluminescence
pulses
crystals
electrons
Selegiline
Density (optical)
optical density
Relaxation processes
decay
Relaxation time
Luminescence
relaxation time
luminescence

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

Cite this

Transient optical absorption induced by an electron pulse in KPb 2Cl5 crystals. / Smirnov, A. A.; Ogorodnikov, I. N.; Pustovarov, V. A.; Isaenko, L. I.; Yakovlev, V. Yu.

In: Optics and Spectroscopy (English translation of Optika i Spektroskopiya), Vol. 105, No. 3, 09.2008, p. 377-379.

Research output: Contribution to journalArticle

Smirnov, A. A. ; Ogorodnikov, I. N. ; Pustovarov, V. A. ; Isaenko, L. I. ; Yakovlev, V. Yu. / Transient optical absorption induced by an electron pulse in KPb 2Cl5 crystals. In: Optics and Spectroscopy (English translation of Optika i Spektroskopiya). 2008 ; Vol. 105, No. 3. pp. 377-379.
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