A new prototype X-ray fluorescence detector system with silicon drift detector array

Chen, W.; DeGeronimo, Gianluigi; Elliott, D.; Giacomini, G.; Kuczewski, A.; Mead, J.; Rumaiz, Abdul K.; Siddons, D. P.; Smith, Graham C.; Vernon, E.

doi:10.1109/nssmic.2016.8069774

Cited by 3 publications

(3 citation statements)

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“…417 Developments in silicon drift detector array chips will increase throughput of the large-area, XRF detector arrays by orders of magnitude. 418 Additionally, the fourth generation of synchrotron radiation sources (ESRF, MAX IV, and upcoming implementation of APS-U and PETRA IV at DESY) will provide access to much brighter and more coherent X-ray photon beams. 330−333 These advances will help to increase the sensitivity of X-raybased analytic techniques (e.g, sub-ppm for XRF imaging currently).…”

Section: Methods For Observing the Colloidal Properties Of Nanopartic...mentioning

confidence: 99%

“…Also, large-area and solid-angle XRF detector arrays are capable of achieving high-count rates in extremely short times, enabling the collection of on-the-fly, real-time elemental images or high-resolution XAS image stacks minimizing irradiation times, − while CCD-based energy dispersive 2D detectors can be used to acquire full-field XRF images (both 2D and 3D) . Developments in silicon drift detector array chips will increase throughput of the large-area, XRF detector arrays by orders of magnitude . Additionally, the fourth generation of synchrotron radiation sources (ESRF, MAX IV, and upcoming implementation of APS-U and PETRA IV at DESY) will provide access to much brighter and more coherent X-ray photon beams. − These advances will help to increase the sensitivity of X-ray-based analytic techniques ( e.g , sub-ppm for XRF imaging currently) .…”

Section: Challenges For the Application Of X-ray-based Techniques To ...mentioning

confidence: 99%

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X-ray-Based Techniques to Study the Nano–Bio Interface

et al. 2021

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X-ray-based analytics are routinely applied in many fields, including physics, chemistry, materials science, and engineering. The full potential of such techniques in the life sciences and medicine, however, has not yet been fully exploited. We highlight current and upcoming advances in this direction. We describe different X-ray-based methodologies (including those performed at synchrotron light sources and X‑ray free-electron lasers) and their potentials for application to investigate the nano–bio interface. The discussion is predominantly guided by asking how such methods could better help to understand and to improve nanoparticle-based drug delivery, though the concepts also apply to nano–bio interactions in general. We discuss current limitations and how they might be overcome, particularly for future use in vivo.

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Section: Methods For Observing the Colloidal Properties Of Nanopartic...mentioning

confidence: 99%

Section: Challenges For the Application Of X-ray-based Techniques To ...mentioning

confidence: 99%

X-ray-Based Techniques to Study the Nano–Bio Interface

et al. 2021

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“…The backside is a uniform thin entrance window, based on the standard BNL technology [5]. The design has been carefully optimized based on feedback of previous designs and processes [6,7]. Figure 2e shows more complete pictures of the pixels near the corner of the Hera.…”

Section: Design Of the Hera Sensormentioning

confidence: 99%

Development of a large array of Silicon Drift Detectors for high-rate synchrotron fluorescence spectroscopy

Giacomini

Kuczewski

et al. 2023

J. Inst.

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An array of small-area Silicon Drift Detectors (SDD), named Hera, has been developed at Brookhaven National Laboratory (BNL) in the past few years. Its primary application is high-rate spectroscopy at synchrotrons. Each SDD pixel is a 1 mm × 1 mm square to match the footprint of the original diode-based pixel detector called Maia, which was developed for the same application. The replacement of the diode with an SDD allows for better energy resolution at short shaping times and an increased stability of the detector. 32, 96, and 384-channel arrays were designed and fabricated and achieved a Full Width Half Maximum (FWHM) as low as 176 eV at 5.9 keV with peaking time of 1 μs at -13°C. The sensor design, simulation, fabrication, its readout system, and its spectroscopic performance are reported.

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