Bc. Khanra et Ts. King, STUDIES OF THE SEGREGATION DEPENDENCE OF PROTON KNIGHT-SHIFTS IN RU-CU BIMETALLICS, Journal of physical chemistry, 97(16), 1993, pp. 4164-4166
The concentration dependence of proton Knight shifts associated with c
hemisorbed hydrogen on Ru-Cu bimetallics has been studied in terms of
conduction electron polarization and surface segregation. Comparison o
f the calculated results with the experimental results suggests that t
he proton Knight shift for Ru-Cu particles results mainly from the hyd
rogen atoms experiencing a hyperfine interaction with three Ru first n
earest neighbors.