The effect of a tapered aperture on x‐ray diffraction from a sample with a pressure gradient: Studies on three samples with a maximum pressure of 560 GPa

X‐ray diffraction patterns were obtained using a tapered lead aperture. A detailed analysis of the effect of the tapered aperture is given. Experimental studies include results on W (423 GPa), on Pt (440 GPa, obtained using type IIa diamonds), and Mo (560 GPa). These results extend earlier studies i...

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Veröffentlicht in:Review of scientific instruments 1992-10, Vol.63 (10), p.4342-4348
Hauptverfasser: Ruoff, Arthur L., Xia, Hui, Xia, Qing
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Xia, Hui
Xia, Qing
description X‐ray diffraction patterns were obtained using a tapered lead aperture. A detailed analysis of the effect of the tapered aperture is given. Experimental studies include results on W (423 GPa), on Pt (440 GPa, obtained using type IIa diamonds), and Mo (560 GPa). These results extend earlier studies in which we achieved for the first time static pressures greater than the pressure at the center of the earth.
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subjects Exact sciences and technology
High-pressure apparatus and techniques
shock tubes
diamond anvil cells
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Physics
title The effect of a tapered aperture on x‐ray diffraction from a sample with a pressure gradient: Studies on three samples with a maximum pressure of 560 GPa
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