conduction electron
简明释义
船导电子
英英释义
例句
1.When an electric field is applied, conduction electrons move towards the positive terminal.导电电子
当施加电场时,导电电子朝向正极移动。导电电子
2.The temperature increase can cause more conduction electrons to be released from atoms.导电电子
温度的增加可能会导致更多的导电电子从原子中释放出来。导电电子
3.In semiconductors, the number of available conduction electrons can be manipulated by doping.导电电子
在半导体中,可通过掺杂来操控可用的导电电子的数量。导电电子
4.In metals, the flow of electricity is primarily due to the movement of conduction electrons.导电电子
在金属中,电流的流动主要是由于导电电子的运动。导电电子
5.The efficiency of a conductor is determined by the density of conduction electrons within it.导电电子
导体的效率取决于其内部的导电电子的密度。导电电子
作文
In the realm of solid-state physics, the behavior of materials is often dictated by the presence and movement of charge carriers. Among these charge carriers, conduction electron (导电电子) plays a pivotal role in determining the electrical properties of metals and semiconductors. Understanding the nature and function of conduction electron (导电电子) is essential for both theoretical studies and practical applications in electronics. To begin with, conduction electron (导电电子) refers to the electrons that are free to move within a material, allowing it to conduct electricity. In metals, these electrons are typically derived from the outer shells of atoms, which have relatively low ionization energies. This means that they can easily be excited into a state where they are no longer bound to any particular atom and can move freely throughout the lattice structure of the metal. This mobility is what gives metals their high electrical conductivity. In contrast, insulators have very few conduction electron (导电电子), as their electrons are tightly bound to their respective atoms. This tight binding prevents them from moving freely, thus inhibiting the flow of electric current. Semiconductors, on the other hand, possess a unique property where the number of conduction electron (导电电子) can be manipulated through doping or changes in temperature. By introducing impurities into a semiconductor, additional conduction electron (导电电子) can be provided, enhancing its conductivity. The concept of conduction electron (导电电子) is also crucial when considering the band theory of solids. According to this theory, electrons in a solid occupy energy bands, with the conduction band being the range of energy levels where electrons can move freely and contribute to electrical conductivity. The presence of conduction electron (导电电子) in the conduction band is what allows materials to conduct electricity efficiently. Moreover, the behavior of conduction electron (导电电子) is influenced by external factors such as temperature and electric fields. For instance, as the temperature of a metal increases, the thermal energy can excite more electrons into the conduction band, thus increasing the number of conduction electron (导电电子) available for conduction. However, this increase in temperature also leads to greater lattice vibrations, which can scatter the electrons and reduce their mobility, resulting in a decrease in conductivity. In practical applications, the manipulation of conduction electron (导电电子) is fundamental in designing electronic components such as transistors, diodes, and integrated circuits. Engineers and scientists leverage the properties of conduction electron (导电电子) to create devices that can control and amplify electrical signals, forming the backbone of modern electronics. In conclusion, the understanding of conduction electron (导电电子) is integral to the fields of physics, materials science, and engineering. As we continue to explore the behavior of these charge carriers, we unlock new possibilities for technological advancements. The study of conduction electron (导电电子) not only enhances our comprehension of fundamental physical principles but also drives innovation in the development of new electronic materials and devices.
在固态物理学领域,材料的行为通常由电荷载体的存在和运动决定。在这些电荷载体中,conduction electron(导电电子)在确定金属和半导体的电气特性方面发挥着关键作用。理解conduction electron(导电电子)的性质和功能对于电子学的理论研究和实际应用都是至关重要的。首先,conduction electron(导电电子)是指能够在材料中自由移动的电子,使其能够导电。在金属中,这些电子通常来自原子的外壳,这些外壳的电离能相对较低。这意味着它们可以很容易地被激发到不再绑定于任何特定原子的状态,从而在金属的晶格结构中自由移动。这种流动性使得金属具有很高的电导率。相比之下,绝缘体几乎没有conduction electron(导电电子),因为它们的电子紧紧绑定在各自的原子上。这种紧密的绑定阻止了电子自由移动,从而抑制了电流的流动。另一方面,半导体则具有独特的属性,可以通过掺杂或温度变化来调节conduction electron(导电电子)的数量。通过在半导体中引入杂质,可以提供额外的conduction electron(导电电子),从而增强其导电性。conduction electron(导电电子)的概念在考虑固体的能带理论时也至关重要。根据这一理论,固体中的电子占据能带,其中导带是电子可以自由移动并贡献于电导的能量水平范围。导带中存在的conduction electron(导电电子)使得材料能够有效地导电。此外,外部因素如温度和电场也会影响conduction electron(导电电子)的行为。例如,随着金属温度的升高,热能可以激发更多的电子进入导带,从而增加可用于导电的conduction electron(导电电子)的数量。然而,温度的升高也导致晶格振动增大,这可能会散射电子并降低其流动性,导致导电性下降。在实际应用中,操控conduction electron(导电电子)是设计电子元件如晶体管、二极管和集成电路的基础。工程师和科学家利用conduction electron(导电电子)的特性来创建能够控制和放大电信号的设备,构成现代电子学的基础。总之,理解conduction electron(导电电子)对于物理学、材料科学和工程学领域至关重要。随着我们继续探索这些电荷载体的行为,我们解锁了技术进步的新可能性。对conduction electron(导电电子)的研究不仅增强了我们对基本物理原理的理解,还推动了新电子材料和设备的发展。
相关单词