electron hole

简明释义

电子空穴

英英释义

例句

1.In organic electronics, the concept of an electron hole 电子空穴 is used to explain charge transport mechanisms.

在有机电子学中，电子空穴 电子空穴的概念用于解释电荷传输机制。

2.In semiconductor physics, the concept of an electron hole 电子空穴 is crucial for understanding how charge carriers behave.

在半导体物理中，电子空穴 电子空穴的概念对于理解电荷载流子的行为至关重要。

3.When an electron is excited to a higher energy level, it leaves behind an electron hole 电子空穴 that can contribute to electrical conductivity.

当一个电子被激发到更高的能级时，它会留下一个可以促进电导率的电子空穴 电子空穴。

4.The movement of an electron hole 电子空穴 in a semiconductor can be thought of as the movement of positive charge.

在半导体中，电子空穴 电子空穴的运动可以被视为正电荷的运动。

5.Doping a semiconductor material creates more electron holes 电子空穴, enhancing its p-type conductivity.

掺杂半导体材料会产生更多的电子空穴 电子空穴，增强其p型导电性。

作文

In the realm of solid-state physics and semiconductor technology, the concept of an electron hole (电子空穴) plays a crucial role in understanding how materials conduct electricity. An electron hole is essentially the absence of an electron in a semiconductor material, which can be thought of as a positive charge carrier. When an electron leaves its position in the atomic lattice of a semiconductor, it creates a vacancy that can move through the lattice. This vacancy behaves like a particle with a positive charge, allowing for the conduction of electricity. The behavior of electron holes is particularly significant when we consider p-type semiconductors, which are created by doping a pure semiconductor with elements that have fewer valence electrons, such as boron. In p-type materials, the majority charge carriers are electron holes, while the minority charge carriers are electrons. The movement of these electron holes through the lattice allows for the flow of electric current, which is vital for the operation of various electronic devices.One of the most fascinating aspects of electron holes is their ability to facilitate electrical conductivity in a way that is complementary to electrons. When an electron from a neighboring atom jumps into the electron hole, it leaves behind another electron hole. This process can be visualized as a game of musical chairs, where the electron holes move around the semiconductor as electrons fill them. This dynamic movement contributes to the overall conductivity of the material.Moreover, the concept of electron holes extends beyond just semiconductor physics; it also has implications in various fields such as optoelectronics and photonics. For instance, in light-emitting diodes (LEDs) and laser diodes, the recombination of electrons and electron holes results in the emission of light. When an electron recombines with an electron hole, energy is released in the form of photons, which is the fundamental principle behind these devices.Understanding electron holes is essential for engineers and scientists working in the field of electronics. By manipulating the concentration and behavior of electron holes and electrons within a semiconductor, they can design and optimize devices for specific applications, from transistors to solar cells. The ability to control these charge carriers is what enables modern technology to function efficiently.In conclusion, the concept of an electron hole (电子空穴) is not only a fundamental aspect of semiconductor physics but also a key element in the development of modern electronic devices. As technology continues to advance, the understanding and application of electron holes will remain vital in pushing the boundaries of innovation in electronics and beyond.

在固态物理和半导体技术领域，电子空穴的概念在理解材料如何导电方面起着至关重要的作用。电子空穴本质上是半导体材料中缺少电子的状态，可以被视为正电荷载流子。当一个电子离开半导体的原子晶格位置时，它会产生一个空缺，这个空缺可以在晶格中移动。这种空缺像一个带正电的粒子一样，允许电流的导通。电子空穴的行为在考虑p型半导体时尤为重要，p型半导体是通过掺杂具有较少价电子的元素（如硼）来形成的。在p型材料中，主要的电荷载流子是电子空穴，而次要的电荷载流子是电子。这些电子空穴在晶格中的移动使得电流的流动成为可能，这对各种电子设备的运行至关重要。电子空穴最迷人的一个方面是它们能够以与电子互补的方式促进电导。当邻近原子中的电子跳入电子空穴时，它会留下另一个电子空穴。这个过程可以想象成一场音乐椅的游戏，电子空穴在半导体中移动，因为电子填充它们。这种动态运动有助于材料的整体导电性。此外，电子空穴的概念不仅限于半导体物理；它在光电子学和光子学等各个领域也有影响。例如，在发光二极管（LED）和激光二极管中，电子与电子空穴的复合会导致光的发射。当电子与电子空穴复合时，会释放出能量，以光子的形式表现出来，这就是这些设备的基本原理。理解电子空穴对于在电子领域工作的工程师和科学家至关重要。通过操控半导体中电子空穴和电子的浓度及行为，他们可以设计和优化特定应用的设备，从晶体管到太阳能电池。控制这些电荷载流子的能力使现代技术能够高效地运作。总之，电子空穴（电子空穴）的概念不仅是半导体物理的基本方面，也是现代电子设备发展的关键元素。随着技术的不断进步，对电子空穴的理解和应用将继续在推动电子学及其他领域的创新边界方面发挥重要作用。