Abstract
High energy ion beams may be used either to characterize or to mix thick lavered samples. This work is an attempt to prepare La 2CuO 4 films of the family of high transition temperature superconductors through ion-beam mixing. Trilayers of Cu/La/Cu were submitted first to ambient atmosphere which induced lanthanum hydroxidation, and then to energetic gold irradiation at 473 K. Average amount and depth distributions for lanthanum, cooper, hydrogen and oxygen species were measured, and compounds present in the targets were identified before and after irradiation to investigate the interplay between chemical and ballistic processes in such systems where oxides formed under beam treatment.
Published Version
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