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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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Abstract

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.

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Authors and Affiliations

  1. Instituto de Pesquisas Energéticas e Nucleares, IPEN-CNEN/SP, Sao Paulo, Brazil

    A. W. Carbonari, W. Pendl Jr., R. N. Attili & R. N. Saxena

Authors
  1. A. W. Carbonari
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  2. W. Pendl Jr.
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  3. R. N. Attili
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  4. R. N. Saxena
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Additional information

Supported by a fellowship from CNPq.

Supported by a fellowship from FAPESP.

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Carbonari, A.W., Pendl, W., Attili, R.N. et al. Magnetic hyperfine fields in the Heusler alloys Co2 YZ (Y=Sc, Ti, Hf, V, Nb; Z=Al, Ga, Si, Ge, Sn). Hyperfine Interact 80, 971–976 (1993). https://doi.org/10.1007/BF00567449

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