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X-ray absorption spectroscopy (XAS) is a leading technique for understanding structural changes in advanced battery materials such as lithium-excess cathodes. However, extracting critical information like oxidation states from the…

We demonstrate a strategy for simulating wide-range X-ray scattering patterns, which spans the small- and wide scattering angles as well as the scattering angles typically used for Pair Distribution Function (PDF) analysis. Such simulated…

The high energy density of electronic excitations due to the impact of swift heavy ions can induce structural modifications in materials. We present a X-ray diffractometer called ALIX, which has been set up at the low-energy IRRSUD beamline…

This paper addresses a near-field imaging problem utilizing extremely large-scale multiple-input multiple-output (XL-MIMO) antennas and reconfigurable intelligent surfaces (RISs) already in place for wireless communications. To this end, we…

Signal Processing · Electrical Eng. & Systems 2024-05-14 Giulia Torcolacci , Anna Guerra , Haiyang Zhang , Francesco Guidi , Qianyu Yang , Yonina C. Eldar , Davide Dardari

We have been developing the X-ray silicon-on-insulator (SOI) pixel sensor called XRPIX for future astrophysical satellites. XRPIX is a monolithic active pixel sensor consisting of a high-resistivity Si sensor, thin SiO$_2$ insulator, and…

Instrumentation and Methods for Astrophysics · Physics 2020-01-29 K. Hagino , K. Negishi , K. Oono , K. Yarita , T. Kohmura , T. G. Tsuru , T. Tanaka , S. Harada , K. Kayama , H. Matsumura , K. Mori , A. Takeda , Y. Nishioka , M. Yukumoto , K. Fukuda , T. Hida , Y. Arai , I. Kurachi , S. Kishimoto

This study reports the development and characterization of an efficient portable X-ray imaging device built from Raspberry Pi components, including a high-quality 12.3-megapixel camera configured for indirect detection with a Gd2O2S:Tb…

We have developed a framework for the Monte-Carlo simulation of the X-Ray Telescopes (XRT) and the X-ray Imaging Spectrometers (XIS) onboard Suzaku, mainly for the scientific analysis of spatially and spectroscopically complex celestial…

Recent advances in compressed sensing theory and algorithms offer new possibilities for high-speed X-ray camera design. In many CMOS cameras, each pixel has an independent on-board circuit that includes an amplifier, noise rejection, signal…

Instrumentation and Detectors · Physics 2023-08-22 Zhehui Wang , O. Iaroshenko , S. Li , T. Liu , N. Parab , W. W. Chen , P. Chu , G. Kenyon , R. Lipton , K. -X. Sun

In recent years, tremendous progress has been made on scientific Complementary Metal Oxide Semiconductor (sCMOS) sensors, making them a promising device for future space X-ray missions. We have customized a large-format sCMOS sensor,…

Instrumentation and Methods for Astrophysics · Physics 2023-12-05 Qinyu Wu , Zhixing Ling , Chen Zhang , Shuang-Nan Zhang , Weimin Yuan

Recent advancements in particle physics demand pixel detectors that can withstand increased luminosity in the future collider experiments. In response, MALTA, a novel monolithic active pixel detector, has been developed with a cutting-edge…

Instrumentation and Detectors · Physics 2025-02-05 Anusree Vijay , Prafulla Kumar Behera , Theertha Chembakan , Ganapati Dash

We have developed CMOS imaging sensor (XRPIX) using SOI (Silicon-On-Insulator) technology for the X-ray astronomical use. XRPIX(X-Ray soiPIXel) has advantage of a high time resolution, a high position resolution and an observation in a wide…

Background: Monte Carlo simulations of diffusion are commonly used as a model validation tool as they are especially suitable for generating the diffusion MRI signal in complicated tissue microgeometries. New method: Here we describe the…

Medical Physics · Physics 2021-04-13 Hong-Hsi Lee , Els Fieremans , Dmitry S Novikov

During the growth of anodic Al oxide layers water incorporates in the film and therefore influences the intrinsic properties of the oxide formed. In this study, we propose a new approach, based on the use of high-resolution neutron imaging,…

Applied Physics · Physics 2020-07-15 Noemie Ott , Claudia Cancellieri , Pavel Trtik , Patrik Schmutz

Nanoporous anodized alumina oxide have been used as templates for obtaining nanomaterials such as nanowires, which exhibit interesting electronic, magnetic and optical properties. This article presents how the regularity of the spatial…

FORCE is a Japan-US space-based astronomy mission for an X-ray imaging spectroscopy in an energy range of 1--80 keV. The Wideband Hybrid X-ray Imager (WHXI), which is the main focal plane detector, will use a hybrid semiconductor imager…

Instrumentation and Methods for Astrophysics · Physics 2020-08-26 Hiromasa Suzuki , Tsubasa Tamba , Hirokazu Odaka , Aya Bamba , Koichi Hagino , Ayaki Takeda , Koji Mori , Takahiro Hida , Masataka Yukumoto , Yusuke Nishioka , Takeshi G. Tsuru

X-ray absorption spectroscopy is a crucial experimental technique for elucidating the mechanisms of structural degradation in battery materials. However, extracting information from the measured spectrum is challenging without high-quality…

An improved SOI-MAPS (Silicon On Insulator Monolithic Active Pixel Sensor) for ionizing radiation based on thick-film High Voltage SOI technology (HV-SOI) has been developed. Similar to existing Fully Depleted SOI-based (FD-SOI) MAPS, a…

Instrumentation and Detectors · Physics 2015-12-09 Tomasz Hemperek , Tetsuichi Kishishita , Hans Krüger , Norbert Wermes

At the Department of Electron Devices a cheap, more or less CMOS process compatible capacitive type RH sensor has been developed. Capacitive sensors are based on dielectric property changes of thin films upon water vapour uptake which…

Other Computer Science · Computer Science 2008-02-22 Veronika Timár-Horváth , László Juhász , András Vass-Várnai , Gergely Perlaky

Machine learning is changing how we design and interpret experiments in materials science. In this work, we show how unsupervised learning, combined with ab initio modeling, improves our understanding of structural metastability in…

To enhance the spatial resolution of the M\"ONCH 25 \textmu m pitch hybrid pixel detector, deep learning models have been trained using both simulation and measurement data. Challenges arise when comparing simulation-based deep learning…

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