Abstract

We have performed electronic band calculations for the paramagnetic NiAs and NiSb using the full potential LAPW method. The Fermi surface of each compound consists of two kinds of cylindrical-like hole surface around the ΓA -axis and one electron surface. For NiSb one more Fermi surface is obtained. The dHvA oscillation frequencies expected from each Fermi surface are calculated. Recently, we have measured dHvA oscillation for the single crystal of NiAs at 0.55 K in a field of up to 9.5 T and observed six branches. The observed results are discussed in comparison with the calculated results.

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