majority carrier

简明释义

多数载劣

英英释义

例句

1.The performance of a transistor heavily depends on the type of majority carrier (主要载流子) used.

晶体管的性能高度依赖于使用的主要载流子类型。

2.In p-type materials, holes act as the majority carrier (主要载流子) facilitating current flow.

在p型材料中，空穴作为主要载流子促进电流流动。

3.The mobility of the majority carrier (主要载流子) influences the conductivity of the semiconductor.

主要载流子的迁移率影响半导体的导电性。

4.In n-type semiconductors, electrons are the majority carrier (主要载流子) responsible for electrical conduction.

在n型半导体中，电子是负责电导的主要载流子。

5.Understanding the role of the majority carrier (主要载流子) is crucial for designing efficient solar cells.

理解主要载流子的角色对于设计高效的太阳能电池至关重要。

作文

In the field of semiconductor physics, understanding the concept of a majority carrier is essential for grasping how electronic devices function. Semiconductors are materials that have electrical conductivity between that of a conductor and an insulator. They play a crucial role in modern electronics, forming the basis of devices such as diodes, transistors, and integrated circuits. The behavior of semiconductors is largely determined by the presence of charge carriers, which can be classified into two types: electrons and holes. Among these, the majority carrier refers to the type of charge carrier that is present in greater concentration within a given semiconductor material.To elaborate further, in n-type semiconductors, where extra electrons are introduced to enhance conductivity, the majority carrier is the electron. Conversely, in p-type semiconductors, where holes are created by the absence of electrons, the majority carrier is the hole itself. This distinction is critical because it influences how the semiconductor behaves under various conditions, such as when subjected to electric fields or thermal energy.The concept of majority carriers is not only theoretical but also has practical implications in the design and functioning of semiconductor devices. For instance, in a bipolar junction transistor (BJT), the flow of current is controlled by the movement of both majority and minority carriers. The efficient operation of these devices relies on the careful manipulation of majority carriers, ensuring that they dominate the conduction process.Moreover, understanding majority carriers helps engineers and scientists develop better materials and technologies. By adjusting the doping levels of semiconductors, they can control the concentration of majority carriers, thereby optimizing the performance of electronic components. This is particularly important in applications such as solar cells, where maximizing efficiency is key to harnessing solar energy effectively.In summary, the term majority carrier is fundamental in the study of semiconductors and their applications in electronics. It describes the predominant type of charge carrier in a semiconductor, which significantly affects the material's electrical properties and its functionality in various devices. A solid understanding of this concept allows for advancements in technology, leading to more efficient and effective electronic solutions. As the field of semiconductor technology continues to evolve, the importance of majority carriers will remain at the forefront of innovations that shape our digital world.

在半导体物理领域，理解“主要载流子”这一概念对于掌握电子设备的功能至关重要。半导体是电导率介于导体和绝缘体之间的材料。它们在现代电子学中发挥着关键作用，构成了二极管、晶体管和集成电路等设备的基础。半导体的行为在很大程度上由电荷载流子的存在决定，这些载流子可以分为两种类型：电子和空穴。在这些载流子中，“主要载流子”指的是在特定半导体材料中以更高浓度存在的电荷载流子。进一步阐述，在n型半导体中，通过引入额外的电子来增强导电性，“主要载流子”是电子。相反，在p型半导体中，由于缺少电子而形成空穴，“主要载流子”则是空穴本身。这一区分至关重要，因为它影响半导体在各种条件下的行为，例如在施加电场或热能时。“主要载流子”的概念不仅是理论上的，而且在半导体器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，电流的流动由主要和次要载流子的运动控制。这些设备的高效运行依赖于对“主要载流子”的精确操控，确保它们主导导电过程。此外，理解“主要载流子”帮助工程师和科学家开发更好的材料和技术。通过调整半导体的掺杂水平，他们可以控制“主要载流子”的浓度，从而优化电子元件的性能。这在太阳能电池等应用中尤为重要，因为最大化效率是有效利用太阳能的关键。总之，“主要载流子”这一术语在半导体研究及其在电子学中的应用中是基础性的。它描述了半导体中占主导地位的电荷载流子的类型，这显著影响材料的电气特性及其在各种设备中的功能。对这一概念的深入理解使得科技进步成为可能，促使我们开发出更高效、更有效的电子解决方案。随着半导体技术领域的不断发展，“主要载流子”的重要性将始终处于塑造我们数字世界的创新前沿。