Skip to main content

3 Result(s)

within A. Alegría Remove this filter Characterization and Evaluation of Materials Remove this filter Nanotechnology Remove this filter

and

  1. No Access

    Article

    Secondary relaxation in two engineering thermoplastics by neutron scattering and dielectric spectroscopy

    We present a preliminary investigation of the dynamics of glassy polycarbonate (PC) and polysulfone (PSF) by means of quasielastic neutron scattering and dielectric spectroscopy. Whereas the consideration of p...

    S. Arrese-Igor, A. Arbe, A. Alegría, J. Colmenero, B. Frick in Applied Physics A (2002)

  2. No Access

    Article

    Methyl group dynamics in a glass and its crystalline counterpart by neutron scattering

    Methyl group dynamics in the same sample of sodium acetate trihydrate in crystalline and glassy states have been investigated by neutron scattering. Measurements have been carried out in the whole temperature ...

    A.J. Moreno, A. Alegría, J. Colmenero, B. Frick in Applied Physics A (2002)

  3. No Access

    Article

    The rotational barrier for methyl group dynamics in anhydrous sodium acetate

    Methyl group dynamics in anhydrous sodium acetate have been investigated by neutron scattering. The results in the rotational tunnelling and crossover regimes can be understood in terms of a threefold rotation...

    A.J. Moreno, A. Alegría, J. Colmenero, B. Frick in Applied Physics A (2002)