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Comments on the paper «Fluorescence decay of indole in water» by N. Periasamy and G. C. Joshi
Examples of multiexponential decay of indole are reported. Problems connected with the minimization procedure are also outlined.
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Experimental evidence of a short-lived component in the fluorescent decay of the indole
In this paper we report measurements of fluorescence phase-shift and modulation data of pure indole over a wide range of modulation frequencies. Our results firstly show two decay times in several solutions, i...
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Article
Optical properties, structure and electronic energy levels of the organicN-methyl, 2,3 diphenyl, 5-methyl indole compound
The absorption properties of the new synthetized organicN-methyl, 2,3 diphenyl, 5-methyl indole compound have been studied. An X-ray diffraction analysis has been carried out in order to obtain the structural pro...
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Article
Fluorescence spectra and electronic-energy levels of the semiconductor 7, 7′, 8, 8′ tetracyanoquinodimethane (TCNQ)
The luminescence of solutions of TCNQ together with their absorption spectra have been measured and compared with the optical properties of powders, as deduced by diffuse reflectance spectroscopy. The experime...
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Article
Optical properties of the semiconductor 7, 7′, 8, 8′, tetracyanoquinodimethane (TCNQ)
The reflectivity and absorption spectra of 7, 7′, 8, 8′ tetracyanoquinodimethane thin films, in the visible and near-ultraviolet range, have been measured. Samples have been grown and characterized by means of...
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Article
A study of theXVV auger line shape of Fe−Ni alloys
A comparison is performed between theoretical and experimental shapes of theXVV (X=M 2,3 andL 3) Auger spectra of ferromagnetic Fe x ...
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Article
Coulomb correlations and shapes of XPS spectra of ferromagnetic Fe−Ni alloys
The effect of the Coulomb correlations in partially filled valenced-bands has been considered by computing the renormalized valence band spectra for alloys having Fe concentrations of 20% and 50%, according to a ...
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Article
Disorder and optical characterization of evaporation deposited a-Si: H films
We have found, from optical transmission and photoconductivity measurements, that the width of the Urbach’s tail and the optical-band gap value depend on the amount of disorder present in the network of a-Si: H f...
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Article
Complex band edge at the energy gap of GaTe
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Article
Wavelength-modulated reflectivity of bismuth telluride
Modulated-reflectivity measurements on Bi2Te3 at room temperature with a double-beam wavelength modulation method are reported. The data were subjected to a Kramers-Kronig analysis in order to determine the corre...