secondary ion

简明释义

次级离子

英英释义

例句

1.The performance of the instrument largely depends on the efficiency of secondary ion 二次离子 generation.

仪器的性能在很大程度上取决于二次离子 secondary ion 生成的效率。

2.In mass spectrometry, the detection of a secondary ion 二次离子 is crucial for analyzing the composition of materials.

在质谱分析中，检测到二次离子 secondary ion 对于分析材料的成分至关重要。

3.During SIMS analysis, the secondary ions 二次离子 are collected and analyzed for detailed compositional information.

在SIMS分析过程中，收集并分析二次离子 secondary ions 以获取详细的成分信息。

4.Researchers use secondary ions 二次离子 to study the isotopic distribution in geological samples.

研究人员使用二次离子 secondary ions 来研究地质样品中的同位素分布。

5.The secondary ion 二次离子 emission process helps in understanding the surface characteristics of a sample.

二次离子 secondary ion 发射过程有助于了解样品的表面特性。

作文

The study of atoms and their interactions has always fascinated scientists. One important concept in this field is the generation of ions, particularly the concept of secondary ion. A secondary ion refers to an ion that is emitted from a surface after it has been bombarded by primary ions or particles. This process is crucial in various scientific techniques, including secondary ion mass spectrometry (SIMS), which is widely used for material analysis and surface characterization.In SIMS, a sample surface is bombarded with a focused beam of primary ions. This bombardment causes the ejection of secondary ions from the surface. These secondary ions carry information about the composition and structure of the material being analyzed. By measuring the mass-to-charge ratio of these secondary ions, scientists can determine the elemental and isotopic composition of the sample.The importance of secondary ions extends beyond just mass spectrometry. They play a significant role in understanding surface phenomena, such as adsorption, diffusion, and chemical reactions at surfaces. For instance, researchers can study how different materials interact with gases or liquids by analyzing the secondary ions produced during these interactions. This knowledge is essential in fields like catalysis, semiconductor manufacturing, and materials science.Moreover, the ability to analyze secondary ions allows scientists to explore the nanoscale properties of materials. As technology advances, the demand for more precise and detailed analysis of materials increases. The use of secondary ions in analytical techniques enables researchers to investigate compositions at the atomic level, providing insights that are vital for developing new materials and improving existing ones.In conclusion, the concept of secondary ion is fundamental in various scientific disciplines. It not only aids in the analysis of materials but also enhances our understanding of surface interactions and properties. As research continues to evolve, the significance of secondary ions will undoubtedly grow, paving the way for new discoveries and advancements in science and technology.

对原子及其相互作用的研究始终吸引着科学家。这个领域中的一个重要概念是离子的生成，特别是次级离子的概念。次级离子指的是在表面被初级离子或粒子轰击后发射出的离子。这个过程在各种科学技术中至关重要，包括次级离子质谱（SIMS），该技术广泛用于材料分析和表征。在SIMS中，样品表面被聚焦的初级离子束轰击。这种轰击导致从表面弹出次级离子。这些次级离子携带有关所分析材料的成分和结构的信息。通过测量这些次级离子的质量与电荷比，科学家可以确定样品的元素和同位素组成。次级离子的重要性不仅仅局限于质谱分析。它们在理解表面现象方面发挥着重要作用，例如吸附、扩散以及表面上的化学反应。例如，研究人员可以通过分析在这些相互作用过程中产生的次级离子来研究不同材料如何与气体或液体相互作用。这些知识在催化、半导体制造和材料科学等领域至关重要。此外，分析次级离子的能力使科学家能够探索材料的纳米尺度特性。随着技术的进步，对材料进行更精确和详细分析的需求增加。使用次级离子的分析技术使研究人员能够在原子水平上调查成分，提供对开发新材料和改进现有材料至关重要的见解。总之，次级离子的概念在各个科学学科中都是基础性的。它不仅有助于材料分析，还增强了我们对表面相互作用和特性的理解。随着研究的不断发展，次级离子的重要性无疑会不断增长，为科学和技术的新发现和进步铺平道路。