The desorption of boron and lanthanum oxides from a (100) single crystal surface was studied using standard surface analysis techniques. Measurements were made both on pre-adsorbed oxygen layers in vacuum and under steady-state conditions in fixed oxygen pressures. The observed oxide desorption products were BO, B2O2, B2O3 and LaO. Temperature and pressure dependences of the boron oxide species were studied in detail.

A Study of Oxygen Interaction with a LaB6(100) Single Crystal Surface. Davis, P.R., Chambers, S.A.: Applications of Surface Science, 1981, 8[1-2], 197-205