相关实验视频

Updated: Jun 16, 2026

Epitaxial Growth of Perovskite Strontium Titanate on Germanium via Atomic Layer Deposition

Epitaxial Growth of Perovskite Strontium Titanate on Germanium via Atomic Layer Deposition

Published on: July 26, 2016

矿薄单晶的普遍生长来自高溶液流量,用于敏感的自动驱动X射线检测

Da Liu¹, Yichu Zheng², Xin Yuan Sui¹

¹Key Laboratory for Ultrafine Materials of Ministry of Education, Shanghai Engineering Research Center of Hierarchical Nanomaterials, School of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, 200237, Shanghai, China.

Nature communications

|March 17, 2024

概括

研究人员开发了一种高溶液流量方法,以改善生长矿薄单晶的质量转移. 这一突破使这些材料可用于先进的辐射探测器的可控合成.

科学领域:

材料科学材料科学材料科学
晶体学晶体学是指结晶学.
探测器物理学的物理

背景情况:

金属化物矿薄单晶为辐射检测提供了出色的载体运输.
目前,这些单晶体缺乏受控的,通用的生长方法.

研究的目的:

识别和克服矿薄单晶的溶液生长中的局限性.
开发一种可通用的方法来合成高质量的矿单晶.

主要方法:

在矿薄单晶生长过程中研究了质量转移限制.
通过抑制单体聚合,开发了一种高溶液流量系统.
在不同温度下验证了29种类型的矿薄单晶的方法.

主要成果:

确定质量转移是矿单晶生长的关键限制因素.
改进了质量扩散系数,从1.7×10−10升至5.4×10−10 m2 s−1.1.
实现了高达27.2μm min-1的增长速度,并合成了29种类型的矿薄单晶.
证明高X射线灵敏度 (1.74×105 μC Gy−1 cm−2) 没有应用偏差.

结论:

高溶液流结晶对于克服矿薄单晶生长中的合成限制至关重要.
开发的方法为生产用于辐射检测的高性能矿单晶提供了可通用的途径.

更多相关视频

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance

Published on: February 27, 2017

$On-Chip Crystallization and Large-Scale Serial Diffraction at Room Temperature$ 07:42

On-Chip Crystallization and Large-Scale Serial Diffraction at Room Temperature

Published on: March 11, 2022

相关概念视频

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...