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单词 Rutherford Backscattering
释义

Rutherford Backscattering

中文百科

卢瑟福背散射 Rutherford backscattering spectrometry

(重定向自Rutherford Backscattering)

卢瑟福背散射分析卢瑟福背散射谱学Rutherford Backscattering Spectrometry,RBS),有时候被称为高能离子散射谱学(High-Energy Ion Scattering,HEIS),是一种离子束分析技术,被用在材料科学中,用以分析、测量材料的结构和组成。通过将一束确定能量的高能离子束(通常是质子或α粒子)打到待分析材料上,检测背向反射的离子的能量,即可确定靶原子的种类、浓度和深度分布。

卢瑟福背散射分析的基本原理详见卢瑟福散射。

英语百科

Rutherford backscattering spectrometry 卢瑟福背散射

(重定向自Rutherford Backscattering)
Left: Expected results: alpha particles passing through the plum pudding model of the atom undisturbed.
Right: Observed results: a small portion of the particles were deflected, indicating a small, concentrated positive charge.
A single stage 2 MeV linear Van de Graaff particle accelerator, here opened for maintenance
RBS-Spektrum mit Schichtaufbau

Rutherford backscattering spectrometry (RBS) is an analytical technique used in materials science. Sometimes referred to as high-energy ion scattering (HEIS) spectrometry, RBS is used to determine the structure and composition of materials by measuring the backscattering of a beam of high energy ions (typically protons or alpha particles) impinging on a sample.

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更新时间:2025/6/17 9:49:45