majority carrier

简明释义

多数载流子

英英释义

例句

1.The concentration of the majority carrier (主导载流子) directly affects the conductivity of the material.

主导载流子的浓度直接影响材料的导电性。

2.The behavior of the majority carrier (主导载流子) is crucial for designing efficient solar cells.

设计高效太阳能电池时，主导载流子的行为至关重要。

3.In p-type materials, holes act as the majority carrier (主导载流子) facilitating current flow.

在p型材料中，孔充当主导载流子，促进电流流动。

4.Understanding the role of the majority carrier (主导载流子) helps engineers optimize transistor performance.

了解主导载流子的作用可以帮助工程师优化晶体管性能。

5.In n-type semiconductors, electrons are the majority carrier (主导载流子) that contribute to electrical conductivity.

在n型半导体中，电子是主导载流子，它们对电导率作出贡献。

作文

In the field of semiconductor physics, the concept of a majority carrier plays a crucial role in understanding how materials conduct electricity. A majority carrier refers to the type of charge carrier in a semiconductor that is present in greater concentration than the other type. In n-type semiconductors, which are doped with elements that have extra electrons, the majority carrier is the electron. Conversely, in p-type semiconductors, where the doping elements create 'holes' or positive charge carriers, the majority carrier is the hole. This distinction is essential for the operation of various electronic devices, including diodes and transistors.The behavior of majority carriers significantly influences the electrical properties of semiconductors. For instance, in n-type materials, the abundance of electrons allows for better conductivity. When an electric field is applied, these electrons can move freely towards the positive terminal, thus facilitating current flow. Similarly, in p-type materials, the movement of holes acts as a positive charge flow, enabling the conduction of electricity. Understanding the dynamics of majority carriers is fundamental for engineers and scientists working on semiconductor technology.Moreover, the concept of majority carriers is not limited to just theory; it has practical implications in the design and functioning of electronic components. For example, in a bipolar junction transistor (BJT), the interaction between majority carriers and minority carriers (the less abundant charge carriers) is what enables amplification of signals. The careful manipulation of these carriers allows for the creation of efficient amplifiers and switches, which are integral to modern electronics.Furthermore, the efficiency of solar cells also hinges on the understanding of majority carriers. In photovoltaic materials, the generation of electron-hole pairs upon exposure to sunlight results in the movement of these carriers. The design of solar cells aims to maximize the collection of majority carriers, enhancing the overall energy conversion efficiency. This highlights the importance of majority carriers not only in traditional electronics but also in renewable energy technologies.In conclusion, the term majority carrier is fundamental in the study of semiconductors. It encapsulates the idea of charge carriers that dominate in number within a given material, either electrons in n-type or holes in p-type semiconductors. The understanding of majority carriers is vital for the development of various electronic devices and systems, impacting everything from basic circuits to advanced technologies like solar panels. As we continue to innovate and develop new technologies, the principles surrounding majority carriers will remain a cornerstone of semiconductor physics and engineering, guiding future advancements in the field.

在半导体物理学领域，主要载流子的概念对于理解材料如何导电起着至关重要的作用。主要载流子是指在半导体中，存在浓度大于另一种类型的电荷载体。在n型半导体中，由于掺杂了具有多余电子的元素，主要载流子是电子。相反，在p型半导体中，掺杂元素产生“空穴”或正电荷载体，主要载流子是空穴。这一区别对于各种电子设备的运行至关重要，包括二极管和晶体管。主要载流子的行为显著影响半导体的电气特性。例如，在n型材料中，电子的丰富性使得导电性更好。当施加电场时，这些电子可以自由地朝向正极移动，从而促进电流流动。同样，在p型材料中，空穴的移动作为正电荷流动，能够实现电力的传导。理解主要载流子的动态对从事半导体技术的工程师和科学家至关重要。此外，主要载流子的概念不仅限于理论，它在电子元件的设计和功能中具有实际意义。例如，在双极结晶体管（BJT）中，主要载流子与少数载流子（数量较少的电荷载体）之间的相互作用使得信号的放大成为可能。这些载流子的精确操控使得高效的放大器和开关的创建成为可能，而这些都是现代电子设备的核心。此外，太阳能电池的效率也依赖于对主要载流子的理解。在光伏材料中，阳光照射下生成的电子-空穴对导致这些载流子的移动。太阳能电池的设计旨在最大化收集主要载流子，从而提高整体能量转换效率。这突显了主要载流子在传统电子和可再生能源技术中的重要性。总之，主要载流子这一术语在半导体研究中是基础性的。它概括了在给定材料中占主导地位的电荷载体的概念，无论是在n型半导体中的电子还是在p型半导体中的空穴。理解主要载流子对各种电子设备和系统的发展至关重要，影响着从基本电路到太阳能电池等先进技术的方方面面。随着我们不断创新和开发新技术，围绕主要载流子的原理将继续成为半导体物理和工程的基石，引导未来该领域的进步。