The diffusive behavior of 32P in the β-phase was studied at 950 to 1200C. The results could be described by:

D (cm2/s) = 3.3 x 10-1 exp[-33.3(kcal/mol)/RT]

B.A.Vandychev, A.S.Panov: Izvestiya Akademii Nauk SSSR, 1970, 2, 231-4