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Stress relaxation in hematite nanoparticles-polystyrene composites
(Macromolecular Rapid Communications, 2000)
The viscoelastic behavior of a polystyrene matrix filled with hematite nanoparticles was investigated using the stress relaxation method. An increase in the elastic moduli of the composites, as well as in the magnitude of ...
The optimization of optical gain in the intersubband quantum well laser
(Journal of Applied Physics, 2000)
A systematic procedure is described for the maximization of gain in optically pumped intersubband lasers, via optimal tailoring of the quantum well profile. The procedure relies on using the inverse spectral theory, allowing ...
The role of pulse sequences in controlling ultrafast intramolecular dynamics with four-wave mixing
(International Reviews in Physical Chemistry, 2000)
This article seeks to provide a fundamental understanding of time-resolved four-wave mixing (FWM) processes based on a large body of experimental measurements on a model system consisting of isolated iodine molecules. The ...