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X-ray Imaging

X-ray Imaging

German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with X-rays, and by 1900, X-ray was widely...

Determination of Crystal Structures

Determination of Crystal Structures

In the late 1800s, the revelation that light extended beyond visible wavelengths led to the discovery of X-rays by Wilhelm Roentgen. Recognized as high-energy electromagnetic radiation with short wavelengths, X-rays prompted exploration into their interaction with crystals. Max von Laue proposed in 1912 that the periodic arrangement of atoms, ions, or molecules in crystals would cause them to diffract X-rays, a hypothesis confirmed through experiments with copper sulfate and zinc sulfide...

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Updated: Jun 5, 2026

Fabrication of Uniform Nanoscale Cavities via Silicon Direct Wafer Bonding

Fabrication of Uniform Nanoscale Cavities via Silicon Direct Wafer Bonding

Published on: January 9, 2014

双面结合过程使X射线平板探测器成为可能.

Hui Zhang^1,2, Shujie Tie³, Jiajiu Ye¹

¹Institute of Solid-State Physics, Hefei Institutes of Physical Science, Chinese Academy of Science, Hefei 230031, China.

ACS applied materials & interfaces

|July 12, 2024

概括

此摘要是机器生成的。

金属化物矿具有先进的X射线检测能力. 一种新的双面粘合方法使得大面积矿X射线探测器的制造成为可能,克服了整合的挑战.

关键词:

一个X射线探测器.双面结合 (DSB) 是一种双面结合.大尺寸的晶圆圆.超低检测极限的超低检测极限 δ-CsPbI3 的时间.

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In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation

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Last Updated: Jun 5, 2026

Fabrication of Uniform Nanoscale Cavities via Silicon Direct Wafer Bonding

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Published on: January 9, 2014

$Microfluidic Chips for In Situ Crystal X-ray Diffraction and In Situ Dynamic Light Scattering for Serial Crystallography$

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Published on: April 24, 2018

In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation

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Published on: March 2, 2021

科学领域:

材料科学材料科学材料科学
探测器物理学的物理
固态电子固态电子

背景情况:

金属化物矿对X射线检测具有有前途的光电特性.
目前的挑战包括将矿集成到大面积的像素化传感器中,用于直接的X射线成像.

研究的目的:

为大面积矿X射线探测器阵列开发一个可扩展的制造战略.
为了证明三角化 (δ-CsPbI₃) 在直接X射线检测中的性能.

主要方法:

采用了利用范德瓦尔斯力双面结合过程.
一种湿膜沉积技术将薄膜晶体管基板粘合到 δ-CsPbI₃晶圆上.
独立的多晶 δ-CsPbI₃晶圆的X射线检测性能的表征.

主要成果:

这种制造的设备可以为X射线检测提供区域阵列成像.
δ-CsPbI₃晶圆在50kV_PX射线辐射下实现了3.46 nGy_airs-1的超低检测极限.
信号输出保持稳定,信号电流漂移为3.5 × 10-5 pA cm-1 s-1 V-1 在234.9mGy累积剂量下.

结论:

拟议的双面结合策略使得大面积矿X射线探测器阵列的制造成为可能.
这种方法为工业生产基于矿的X射线平板探测器提供了一种新的方法.
δ-CsPbI₃显示出出色的稳定性和灵敏度,为下一代X射线成像铺平了道路.