Mössbauer spectroscopy and RPE analysis are investigated to study the isomorphous substitution of Fe, Sn and Co in the aluminophosphate framework and explain the catalytic behaviour of these materials.
Texte intégral
Documents relatifs
The effect of the I f 112 > state in the mea- sured low-temperature spectra apparently is an unresolved background smear extending up to higher velocities and the
Respecting the relations for rotation of spherical harmonics a set of intensity ratio measurements for different angle positions of source (polarized) and absorber can be
The appearence of a substantial magnetic hyperfine splitting when a field is applied is a well-known feature of superpara- magnetic particles of
L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des
Using the concentration dependence of the average quadrupole splittings as well the asymmetries of the spectra of amorphous Zr - Fe alloys C 5,8 3 it can be concluded that a
This result proves that chemical structure (distances and angles of the chemical bonds) of the iron-adhesive interphase is unsensitive (resistance) to the change of
L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des
L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des