band coupling

简明释义

1. 带式联接器; 2. 皮带传动装瞒;

英英释义

例句

1.Understanding band coupling 带耦合 can help improve the efficiency of semiconductor devices.

理解带耦合可以帮助提高半导体设备的效率。

2.Researchers are studying band coupling 带耦合 to enhance the performance of laser systems.

研究人员正在研究带耦合以增强激光系统的性能。

3.In photonic crystals, band coupling 带耦合 plays a crucial role in light manipulation.

在光子晶体中，带耦合在光的操控中起着关键作用。

4.The research focused on the effects of band coupling 带耦合 in quantum systems.

该研究集中于量子系统中带耦合的影响。

5.The phenomenon of band coupling 带耦合 is essential for understanding electronic properties.

理解电子特性时，带耦合现象至关重要。

作文

In the realm of solid-state physics and materials science, the concept of band coupling is pivotal in understanding the electronic properties of materials. Band coupling refers to the interaction between different energy bands in a solid, which can significantly influence how electrons behave within that material. This phenomenon is particularly important in semiconductors and insulators, where the band structure plays a critical role in determining electrical conductivity, optical properties, and overall material performance.When we talk about band coupling, we are often referring to the overlap of energy bands that can occur due to various factors such as temperature, pressure, or the presence of impurities. For instance, in certain semiconductor materials, the conduction band and valence band may interact more strongly under specific conditions, leading to enhanced charge carrier mobility. This is crucial for applications in electronics and optoelectronics, where efficient charge transport is desired.Moreover, band coupling can lead to the formation of new energy states within the band gap of a material. These states can act as traps for charge carriers, affecting the overall conductivity and recombination rates of electrons and holes. Understanding these interactions allows scientists and engineers to tailor materials for specific applications, such as creating high-efficiency solar cells or improving the performance of light-emitting diodes (LEDs).The significance of band coupling extends beyond just theoretical considerations; it has practical implications in the design and optimization of various devices. For example, in the field of photovoltaics, the efficiency of solar cells can be greatly enhanced by engineering the band structure of the materials used. By manipulating band coupling, researchers can create materials that absorb a broader spectrum of sunlight, thereby increasing the amount of energy converted into electricity.Furthermore, band coupling is also relevant in the study of superconductors, where the interaction between electron pairs can lead to zero electrical resistance at low temperatures. The understanding of how band coupling affects the pairing mechanism is essential for discovering new superconducting materials and improving existing ones.In conclusion, band coupling is a fundamental concept in solid-state physics that describes the interaction between energy bands in a material. Its implications are vast, affecting everything from the electrical conductivity of semiconductors to the efficiency of solar cells and the behavior of superconductors. As research progresses, a deeper understanding of band coupling will undoubtedly lead to the development of advanced materials and technologies that can transform various industries, paving the way for innovations that harness the unique properties of materials at the atomic level.

在固态物理和材料科学领域，带耦合的概念对于理解材料的电子特性至关重要。带耦合是指固体中不同能量带之间的相互作用，这可能会显著影响电子在该材料中的行为。这种现象在半导体和绝缘体中尤为重要，因为带结构在决定电导率、光学特性和整体材料性能方面发挥着关键作用。当我们谈论带耦合时，通常是指由于温度、压力或杂质的存在等各种因素导致的能量带重叠。例如，在某些半导体材料中，导带和价带在特定条件下可能会更强烈地相互作用，从而提高电荷载流子的迁移率。这对于电子和光电子应用至关重要，因为在这些应用中，期望高效的电荷传输。此外，带耦合还可以导致材料带隙内新能态的形成。这些状态可以作为电荷载流子的陷阱，影响材料的整体导电性和电子与空穴的复合速率。理解这些相互作用使科学家和工程师能够针对特定应用定制材料，例如制造高效的太阳能电池或改善发光二极管（LED）的性能。带耦合的重要性不仅限于理论考虑；它在各种器件的设计和优化中也具有实际意义。例如，在光伏领域，太阳能电池的效率可以通过工程化所用材料的带结构大大提高。通过操控带耦合，研究人员可以创造出能够吸收更广泛阳光谱的材料，从而增加转化为电能的能量。此外，带耦合在超导体的研究中也很相关，其中电子对之间的相互作用可以在低温下导致零电阻。理解带耦合如何影响配对机制对于发现新的超导材料和改善现有材料至关重要。总之，带耦合是固态物理中的一个基本概念，描述了材料中能量带之间的相互作用。其影响广泛，涉及从半导体的电导率到太阳能电池的效率以及超导体的行为。随着研究的进展，对带耦合的深入理解无疑将导致先进材料和技术的发展，这些材料和技术可以改变各个行业，为利用材料在原子级别的独特性质铺平道路。