Abstract

The formation of boron—nitrogen clusters from a laser-induced plasma is investigated using results from quantum chemical LCAO—LDA calculations. The experimentally observed abundance distributions are interpreted on the basis of calculated binding energies, considering association and fragmentation reactions of the clusters. The important role of molecular nitrogen formation for cluster fragmentation is shown. An alternating behaviour in intensity of odd versus even B n N n−1 and B n N n−2 clusters is observed for both positively and negatively charged cluster ions in the mass spectra can be explained by an alternating stability.

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