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Science 29 May 1964:
Vol. 144. no. 3622, pp. 1119 - 1121
DOI: 10.1126/science.144.3622.1119
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Articles

Pressure Distribution Measurements in Fixed-Anvil High-Pressure Cells

Ellis R. Lippincott 1 and Heyman C. Duecker 1

1 Department of Chemistry, University of Maryland, College Park

Absorption spectra of selected microsections of materials with pressure-sensitive absorption bands mounted in diamond-anvil high-pressure cells were determined. The shift in the absorption peak, combined with data obtained at uniform pressure, permits calculation of the pressure of the microsection selected. Examples of a parabolic decrease in pressure from the center to the edge of the diamond anvil are demonstrated by contour diagrams.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)