Topological properties of the Fermi surfaces of Cu2Sb and YZn have been investigated. Cu2Sb is a compensated metal with open orbits in [001], 〈100〉, 〈011〉, and several higher-order directions. The results are consistent with the nearly-free-electron Fermi surface model. In YZn the data indicate that there is an open sheet of Fermi surface which supports open orbits in 〈110〉 and/or 〈100〉 directions. This conclusion, along with de Haas-van Alphen results of Jan, provides evidence for the topological accuracy of one of two recent augmented-plane-wave, band-structure calculations; the two calculations predict quite different Fermi surfaces.
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Research supported by National Science Foundation Grants GH35690 and GU3163.
Visiting Scientists at the Francis Bitter National Magnet Laboratory, which is supported at MIT by the National Science Foundation.
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Sellmyer, D.J., Szofran, F.R. & Weymouth, J.W. Magnetoresistance of the metallic compounds Cu2Sb and YZn to 220 kG. J Low Temp Phys 18, 85–93 (1975). https://doi.org/10.1007/BF00116970
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DOI: https://doi.org/10.1007/BF00116970