injected electrons

简明释义

注入的电子

英英释义

例句

1.The LED emits light when injected electrons 注入电子 recombine with holes in the semiconductor.

当注入电子 injected electrons 与半导体中的空穴复合时，LED发出光。

2.In our experiment, we measured the effect of temperature on the mobility of injected electrons 注入电子 in a silicon sample.

在我们的实验中，我们测量了温度对硅样品中注入电子 injected electrons 移动性的影响。

3.Researchers are exploring new materials to improve the efficiency of injected electrons 注入电子 in solar cells.

研究人员正在探索新材料，以提高太阳能电池中注入电子 injected electrons 的效率。

4.The performance of transistors is heavily dependent on the rate of injected electrons 注入电子 into the channel.

晶体管的性能在很大程度上依赖于通道中注入电子 injected electrons 的速率。

5.The semiconductor device operates by controlling the flow of injected electrons 注入电子 to create a current.

半导体设备通过控制流动的注入电子 injected electrons 来产生电流。

作文

In the realm of physics and engineering, particularly in the study of semiconductors and electronic devices, the term injected electrons refers to the electrons that are introduced into a semiconductor material to enhance its electrical conductivity. This process is crucial for the functioning of various electronic components, including diodes, transistors, and solar cells. Understanding how injected electrons behave within a semiconductor can lead to significant advancements in technology and innovation.When we discuss injected electrons, it is essential to consider the concept of doping. Doping involves adding specific impurities to a pure semiconductor (like silicon) to alter its electrical properties. By introducing donor atoms, which have more valence electrons than the semiconductor atoms, we create additional free electrons. These free electrons are what we refer to as injected electrons. They play a vital role in increasing the material's conductivity, allowing it to conduct electricity more efficiently.The behavior of injected electrons is influenced by several factors, including temperature, the type of doping material used, and the presence of electric fields. For instance, at higher temperatures, the energy of the electrons increases, allowing more injected electrons to move freely through the semiconductor lattice. This increased mobility contributes to higher conductivity, which is critical for the performance of electronic devices.Moreover, the interaction between injected electrons and holes (the absence of an electron in a semiconductor) leads to the formation of electron-hole pairs. This phenomenon is particularly significant in the operation of photovoltaic cells, where sunlight excites electrons, creating injected electrons that contribute to the generation of electric current. The efficiency of solar panels is largely determined by how effectively these injected electrons can be harnessed and directed towards an external circuit.In addition to their role in enhancing conductivity, injected electrons are also fundamental in the functioning of various electronic devices. For example, in a bipolar junction transistor (BJT), the flow of injected electrons from the emitter to the collector allows for the amplification of electrical signals. Similarly, in field-effect transistors (FETs), the control of injected electrons in a channel permits the modulation of current flow, making them essential components in modern digital circuits.The study of injected electrons is also relevant in the development of new materials and technologies. Researchers are exploring advanced semiconductor materials, such as graphene and quantum dots, which exhibit unique properties due to their ability to manipulate injected electrons in innovative ways. These materials hold the promise of revolutionizing electronics, leading to faster, smaller, and more efficient devices.In conclusion, injected electrons are a fundamental concept in the field of semiconductor physics and electronic engineering. Their introduction through doping processes significantly enhances the conductivity of semiconductor materials, enabling the development of various electronic devices. As technology continues to evolve, understanding and harnessing the behavior of injected electrons will remain crucial for future innovations in electronics and renewable energy systems.

在物理和工程领域，特别是在半导体和电子设备的研究中，术语注入电子指的是被引入半导体材料中的电子，以增强其电导率。这个过程对于各种电子元件的功能至关重要，包括二极管、晶体管和太阳能电池。理解注入电子在半导体中的行为可以推动技术和创新的重大进展。当我们讨论注入电子时，考虑掺杂的概念是至关重要的。掺杂涉及向纯半导体（如硅）中添加特定的杂质，以改变其电气特性。通过引入具有比半导体原子更多价电子的施主原子，我们创造了额外的自由电子。这些自由电子就是我们所称的注入电子。它们在提高材料的电导率方面发挥着重要作用，使其能够更有效地导电。注入电子的行为受到多种因素的影响，包括温度、使用的掺杂材料类型和电场的存在。例如，在较高的温度下，电子的能量增加，使得更多的注入电子能够在半导体晶格中自由移动。这种增加的迁移率有助于提高电导率，这对电子设备的性能至关重要。此外，注入电子与空穴（半导体中缺少电子的地方）之间的相互作用导致电子-空穴对的形成。这一现象在光伏电池的工作中尤为重要，阳光激发电子，产生注入电子，为电流生成做出贡献。太阳能电池板的效率在很大程度上取决于这些注入电子能否被有效利用并导向外部电路。除了在增强电导率方面的作用外，注入电子在各种电子设备的功能中也是基础性的。例如，在双极结晶体管（BJT）中，注入电子从发射极到集电极的流动使电信号的放大成为可能。同样，在场效应晶体管（FET）中，通过控制通道中的注入电子允许电流流动的调制，使其成为现代数字电路中的重要组件。对注入电子的研究在新材料和技术的发展中也具有相关性。研究人员正在探索先进的半导体材料，如石墨烯和量子点，这些材料由于能够以创新的方式操控注入电子而展现出独特的特性。这些材料有望彻底改变电子学，带来更快、更小和更高效的设备。总之，注入电子是半导体物理和电子工程领域的一个基本概念。通过掺杂过程引入的注入电子显著增强了半导体材料的电导率，使各种电子设备的发展成为可能。随着技术的不断发展，理解和利用注入电子的行为将继续对未来电子和可再生能源系统的创新至关重要。