Abstract
INVESTIGATIONS by Vaidyanathan1 and myself2 in this laboratory have shown that the diamagnetism of bismuth is reduced by colloidalisation. On recrystallising a sample of pure bismuth powder it was found that its diamagnetic susceptibility rose to very near the mass value3. In a recent letter to NATURE, Lane4 reports that thin films of bismuth produced by evaporation and having a thickness of 0 2 –15 had the same susceptibility value as the metal in mass, allowing however for fluctuations of so much as 12 per cent.
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RAO, S. [Letters to the Editor]. Nature 132, 207 (1933). https://doi.org/10.1038/132207a0
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DOI: https://doi.org/10.1038/132207a0
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