X-ray diamond-anvil press for use at high temperatures

Abstract
This paper describes the design and operation of a new diamond-anvil press that can conduct x-ray diffraction investigations of polycrystalline materials at sustained pressure and temperature up to 30 GPa and 500 °C. Several improvements have been made in heating efficiency, uniformity of temperature, alignment operation of anvil faces, and elimination of preferred orientation effect. Examples of the application to the study of a high-pressure phase of phosphorus are shown.

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