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Combined Very High Pressure/High Temperature Calibration of the Tetrahedral Anvil Apparatus, Fusion Curves of Zinc, Aluminium, Germanium and Silicon to 60 kilobars

Abstract

IN apparatus of the tetrahedral anvil or of the ‘belt’ type1, where a solid-pressure transmitting medium such as pyrophyllite is used, the relation between load and pressure is fairly complicated2. The pressure calibration at room temperature is frequently made in terms of the usual resistance transitions in bismuth, thallium and barium1. There is no guarantee that such a calibration will be valid for the high-temperature range up to more than 1,000° C in which such apparatus is often used.

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References

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LEES, J., WILLIAMSON, B. Combined Very High Pressure/High Temperature Calibration of the Tetrahedral Anvil Apparatus, Fusion Curves of Zinc, Aluminium, Germanium and Silicon to 60 kilobars. Nature 208, 278–279 (1965). https://doi.org/10.1038/208278a0

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