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A new position sensitive area detector for high-speed and high-sensitivity X-ray diffraction analysis

  • Takeyoshi Taguchi (a1)

Abstract

A state-of-art semiconductor technology-based position sensitive area detector, namely D/teX-25, has recently been developed for high-speed and high-sensitivity X-ray diffraction (XRD) analysis of materials. X-ray powder diffraction intensities obtained by a D/teX-25 detector were found to over 50 times higher than those by a conventional scintillation counter. A D/teX-25 detector mounted on a conventional 2 kW XRD system has been used to collect ultrafast XRD data with scanning speeds up to 160°2θ per minute. Ultrahigh-speed XRD is particularly useful for time-resolved dynamical and in-situ studies. A D/teX-25 detector was successfully used on a Rigaku XRD differential scanning calorimetry (DSC) system for simultaneous measurements of XRD and DSC data under controlled temperature and humidity conditions. This has made possible the study of complex and rapid phase transformations of pharmaceutical terfenadine. The D/teX-25 area detector has also been used for recording two-dimensional XRD patterns showing the particle-size effects on α-quartz powder intensities and to obtain digital X-ray topographic images of a complex dislocation network in a Si wafer.

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References

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Göbel, H. E. (1979). Adv. X-ray Anal. AXRAAA 22, 255265.
Kishi, A. and Toraya, H. (2004). Powder Diffr. PODIE2 10.1154/1.1649321 19, 3135.
Parrish, W., Hamacher, E. A., and Lowitzsch, K. (1954). Philips Tech. Rev. 16, 123133.

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A new position sensitive area detector for high-speed and high-sensitivity X-ray diffraction analysis

  • Takeyoshi Taguchi (a1)

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