Magnetic hyperfine fields in the Heusler alloys Co2 YZ (Y=Sc, Ti, Hf, V, Nb; Z=Al, Ga, Si, Ge, Sn)
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- Carbonari, A.W., Pendl, W., Attili, R.N. et al. Hyperfine Interact (1993) 80: 971. doi:10.1007/BF00567449
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The magnetic hyperfine field acting on Ta at the non-magnetic transition element site has been investigated in the Heusler alloys Co2(Sc, Hf, V)Sn, Co2ScGa, Co2(V, Nb)Al and Co2Ti(Si, Ge) by TDPAC measurements utilizing the 133–482 keV gamma-gamma cascade in181Ta following the β− decay of181Hf. An important conclusion is that the reduced mhf either on the non-magnetic transition element site or on the s-p element site depends mainly on the chemical nature of the non-magnetic transition element rather than any other factor, e.g. the local moment μCo of the alloy.