photoelectric cross section

简明释义

光电截面

英英释义

例句

1.Calculating the photoelectric cross section 光电截面 helps physicists predict the behavior of X-rays in materials.

计算光电截面 photoelectric cross section 有助于物理学家预测X射线在材料中的行为。

2.In experiments, scientists often measure the photoelectric cross section 光电截面 to validate theoretical models.

在实验中，科学家们经常测量光电截面 photoelectric cross section 以验证理论模型。

3.Researchers are studying the photoelectric cross section 光电截面 of different metals to improve solar cell efficiency.

研究人员正在研究不同金属的光电截面 photoelectric cross section 以提高太阳能电池效率。

4.The photoelectric cross section 光电截面 can vary significantly depending on the energy of the incoming photons.

根据入射光子的能量，光电截面 photoelectric cross section 可能会显著变化。

5.The measurement of the photoelectric cross section 光电截面 is crucial for understanding how materials interact with photons.

测量光电截面 photoelectric cross section 对于理解材料如何与光子相互作用至关重要。

作文

The concept of photoelectric cross section is fundamental in the fields of physics and materials science. It refers to a measure of the probability of a photon interacting with a material, leading to the emission of electrons. This interaction is crucial for understanding various phenomena, such as the photoelectric effect, which was first explained by Albert Einstein in 1905. The photoelectric cross section quantifies how likely it is for photons to be absorbed or scattered by a target material, making it an essential parameter in experiments involving light-matter interactions.In practical applications, the photoelectric cross section plays a significant role in designing and optimizing devices such as photodetectors, solar cells, and imaging systems. For instance, in solar cell technology, materials with high photoelectric cross section values are preferred because they can efficiently convert sunlight into electricity. This efficiency is critical for the development of sustainable energy solutions, as it directly impacts the performance and cost-effectiveness of solar panels.Furthermore, the photoelectric cross section is not a constant value; it varies depending on factors such as the wavelength of the incident light and the electronic structure of the material. Researchers often conduct experiments to determine the photoelectric cross section for different materials and under various conditions. These measurements provide valuable insights into the behavior of materials at the atomic and molecular levels, aiding in the discovery of new substances with desirable optical properties.Additionally, understanding the photoelectric cross section is vital in fields like astrophysics and radiation physics. In these areas, scientists analyze how light interacts with matter in different environments, such as stars or interstellar space. By studying the photoelectric cross section, researchers can infer the composition and physical conditions of distant astronomical objects, enhancing our knowledge of the universe.In conclusion, the photoelectric cross section is a key concept that bridges theoretical physics and practical applications. Its significance extends across various scientific disciplines, from renewable energy technologies to astrophysics. As research continues to advance, a deeper understanding of the photoelectric cross section will undoubtedly lead to new innovations and discoveries that can benefit society as a whole.

光电截面是物理学和材料科学领域的一个基本概念。它指的是光子与材料相互作用导致电子发射的概率的度量。这种相互作用对于理解各种现象至关重要，例如光电效应，该效应最早由阿尔伯特·爱因斯坦在1905年解释。光电截面量化了光子被目标材料吸收或散射的可能性，使其成为涉及光-物质相互作用实验的一个重要参数。在实际应用中，光电截面在设计和优化光电探测器、太阳能电池和成像系统等设备中发挥着重要作用。例如，在太阳能电池技术中，优先选择具有高光电截面的材料，因为它们能够有效地将阳光转化为电能。这种效率对于可持续能源解决方案的发展至关重要，因为它直接影响到太阳能电池板的性能和成本效益。此外，光电截面并不是一个恒定值；它会根据入射光的波长和材料的电子结构等因素而变化。研究人员通常进行实验，以确定不同材料在各种条件下的光电截面。这些测量提供了对材料在原子和分子层面上行为的宝贵见解，有助于发现具有理想光学特性的新的物质。此外，理解光电截面在天体物理学和辐射物理学等领域至关重要。在这些领域，科学家分析光在不同环境中与物质的相互作用，例如恒星或星际空间。通过研究光电截面，研究人员可以推断遥远天文物体的组成和物理条件，从而增强我们对宇宙的认识。总之，光电截面是连接理论物理与实际应用的关键概念。它的重要性跨越了多个科学学科，从可再生能源技术到天体物理学。随着研究的不断进展，对光电截面的更深入理解无疑将导致新的创新和发现，从而使整个社会受益。