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XPS study of the exchange-splitting in the s-levels of Mn and R in RMn2Si2 (R = La to Nd, Sm and Gd)

1984; Elsevier BV; Volume: 49; Issue: 8 Linguagem: Inglês

10.1016/0038-1098(84)90085-1

1879-2766

V. Prabhawalkar, B. D. Padalia,

Magnetic and transport properties of perovskites and related materials

Abstract Exchange (or multiplet) splitting, Δ E s of the 3 s core-level of Mn in RMn 2 Si 2 (R = La to Nd, Sm and Gd) has been observed using XPS technique. The measured value of Δ E s is used to determine the magnetic moment on Mn ion in RMn 2 Si 2 . Δ E s has also been measured for the 4 s and 5 s levels of R in RMn 2 Si 2 and it is found that the value of Δ E s increases with increase in the number of unpaired spins (La to Gd).