electronic polarization

简明释义

电子极化

英英释义

例句

1.The electronic polarization 电子极化 of a material can significantly affect its dielectric properties.

材料的电子极化 electronic polarization 可以显著影响其介电特性。

2.Researchers are studying electronic polarization 电子极化 to enhance the efficiency of photovoltaic cells.

研究人员正在研究电子极化 electronic polarization 以提高光伏电池的效率。

3.Understanding electronic polarization 电子极化 is essential for designing advanced capacitors.

理解电子极化 electronic polarization 对于设计先进电容器是必不可少的。

4.In materials science, understanding electronic polarization 电子极化 is crucial for developing better insulators.

在材料科学中，理解电子极化 electronic polarization 对于开发更好的绝缘体至关重要。

5.The concept of electronic polarization 电子极化 helps explain the behavior of semiconductors under electric fields.

电子极化 electronic polarization 的概念有助于解释半导体在电场下的行为。

作文

In the realm of physics and material science, the concept of electronic polarization plays a crucial role in understanding how materials respond to external electric fields. Electronic polarization refers to the displacement of electron clouds within atoms or molecules when subjected to an electric field. This phenomenon is essential for explaining various electrical properties of materials, particularly insulators and semiconductors.When an electric field is applied to a material, the positively charged nuclei of the atoms remain relatively stationary, while the negatively charged electrons are pushed away from their equilibrium positions. This shift in the electron distribution creates a dipole moment, where a separation of charge occurs within the atom or molecule. The extent of this displacement is what we refer to as electronic polarization. The significance of electronic polarization can be observed in various applications, such as capacitors and dielectric materials. In capacitors, the ability of a dielectric material to become polarized enhances its capacitance, allowing it to store more electrical energy. The greater the electronic polarization of the dielectric, the more effective it is in preventing the flow of current, thus making it an ideal insulator.Moreover, the understanding of electronic polarization is vital in the field of optics. When light passes through a material, the interaction between the electromagnetic waves and the polarized electron clouds can affect the material's refractive index. This leads to phenomena such as birefringence, where the material exhibits different refractive indices depending on the polarization state of the incoming light. Such optical properties are exploited in various technologies, including liquid crystal displays (LCDs) and optical filters.Furthermore, electronic polarization has implications in the study of molecular interactions and chemical bonding. The polarization of electron clouds can influence the strength and nature of intermolecular forces, such as van der Waals forces and hydrogen bonding. For instance, in polar solvents, the ability of molecules to polarize can significantly affect solubility and reactivity, which is critical in fields like chemistry and biochemistry.In summary, electronic polarization is a fundamental concept that underlies many physical phenomena and technological applications. Its ability to explain how materials interact with electric fields provides insights into the design of electronic components, optical devices, and even biological systems. As research continues to advance, a deeper understanding of electronic polarization may lead to innovative materials and technologies that harness this phenomenon for practical use. By exploring the intricacies of electronic polarization, scientists and engineers can unlock new possibilities in the fields of electronics, optics, and materials science, ultimately contributing to the development of more efficient and advanced technologies.

在物理学和材料科学领域，电子极化的概念在理解材料如何响应外部电场方面起着至关重要的作用。电子极化是指在电场作用下，原子或分子内的电子云发生位移的现象。这一现象对于解释各种材料的电气特性，尤其是绝缘体和半导体，至关重要。当电场施加到材料上时，带正电的原子核相对静止，而带负电的电子则被推离其平衡位置。这种电子分布的偏移产生了偶极矩，即原子或分子内部发生了电荷分离。这种位移的程度就是我们所称的电子极化。电子极化的重要性可以在各种应用中观察到，例如电容器和介电材料。在电容器中，介电材料的极化能力增强了其电容，使其能够存储更多的电能。介电材料的电子极化程度越大，阻止电流流动的效果就越好，因此它成为理想的绝缘体。此外，理解电子极化在光学领域也至关重要。当光通过材料时，电磁波与极化的电子云之间的相互作用会影响材料的折射率。这导致了双折射现象，即材料根据入射光的极化状态表现出不同的折射率。这些光学特性被广泛应用于各种技术中，包括液晶显示器（LCD）和光学滤波器。此外，电子极化在分子相互作用和化学键合的研究中也具有重要意义。电子云的极化可以影响分子间力的强度和性质，例如范德华力和氢键。例如，在极性溶剂中，分子极化的能力可以显著影响溶解度和反应性，这在化学和生物化学等领域至关重要。总之，电子极化是一个基础概念，支撑着许多物理现象和技术应用。它解释了材料如何与电场相互作用，为电子元件、光学设备甚至生物系统的设计提供了见解。随着研究的不断进展，对电子极化的更深理解可能会导致创新材料和技术的出现，利用这一现象进行实际应用。通过探索电子极化的复杂性，科学家和工程师可以开启电子学、光学和材料科学领域的新可能性，最终促进更高效和先进技术的发展。