residual polarization

简明释义

剩余极化

英英释义

例句

1.Engineers must account for residual polarization 残余极化 when designing high-frequency circuits.

工程师在设计高频电路时必须考虑残余极化 residual polarization。

2.In optics, residual polarization 残余极化 can lead to unwanted artifacts in imaging systems.

在光学中，残余极化 residual polarization可能导致成像系统中出现不必要的伪影。

3.After the experiment, we measured the residual polarization 残余极化 to ensure the accuracy of our results.

实验结束后，我们测量了残余极化 residual polarization以确保结果的准确性。

4.The residual polarization 残余极化 in the dielectric material was measured using a polarimeter.

使用偏光仪测量了介电材料中的残余极化 residual polarization。

5.The study revealed that the residual polarization 残余极化 in the material could affect its electrical properties.

研究显示，材料中的残余极化 residual polarization可能会影响其电气特性。

作文

In the field of material science and physics, understanding the concept of residual polarization is crucial for various applications, particularly in the development of ferroelectric materials. Residual polarization refers to the permanent electric polarization that remains in a material after an external electric field has been removed. This phenomenon is significant because it impacts the performance and efficiency of devices such as capacitors, sensors, and actuators.When a ferroelectric material is subjected to an external electric field, the dipoles within the material align in the direction of the field, resulting in a net polarization. Once the electric field is removed, not all dipoles return to their original random orientations; some remain aligned, leading to residual polarization. This property can be advantageous in applications where a stable electric field is required even in the absence of an external stimulus.One of the most notable applications of residual polarization is in non-volatile memory devices, such as ferroelectric random-access memory (FeRAM). In FeRAM, data is stored by inducing residual polarization in the ferroelectric material. The presence or absence of residual polarization corresponds to binary states, allowing for efficient data storage and retrieval. The ability to retain information without a continuous power supply makes FeRAM an attractive alternative to traditional volatile memory technologies.Moreover, the study of residual polarization extends beyond just ferroelectric materials. It also plays a role in piezoelectric materials, which generate an electric charge in response to mechanical stress. In these materials, residual polarization can influence their sensitivity and overall performance. Understanding how to control and optimize residual polarization is essential for enhancing the efficiency of devices that rely on piezoelectric effects, such as pressure sensors and energy harvesters.However, residual polarization can also pose challenges in certain contexts. For instance, in high-performance capacitors, excessive residual polarization may lead to energy loss and reduced efficiency. Engineers and scientists must carefully balance the benefits and drawbacks of residual polarization to design materials and devices that meet specific requirements.In conclusion, residual polarization is a fundamental concept in material science that has significant implications for the development and functionality of various electronic devices. Its ability to maintain a stable electric field after the removal of an external force makes it invaluable in applications like non-volatile memory and piezoelectric sensors. As research continues to advance in this area, a deeper understanding of residual polarization will undoubtedly lead to innovations that enhance the performance and sustainability of modern technology.

在材料科学和物理学领域，理解残余极化的概念对于各种应用至关重要，尤其是在铁电材料的发展中。残余极化是指在外部电场移除后，材料中仍然存在的永久电极化现象。这一现象具有重要意义，因为它影响着电容器、传感器和执行器等设备的性能和效率。当铁电材料受到外部电场作用时，材料内部的偶极子会朝着电场方向排列，从而导致净极化。一旦电场被移除，并不是所有偶极子都会恢复到其原始的随机取向；一些偶极子仍然保持对齐，从而导致残余极化的产生。这一特性在需要在没有外部刺激的情况下仍保持稳定电场的应用中是有利的。残余极化最显著的应用之一是在非易失性存储器设备中，例如铁电随机存取存储器（FeRAM）。在FeRAM中，通过在铁电材料中诱导残余极化来存储数据。残余极化的存在与否对应于二进制状态，从而实现高效的数据存储和检索。能够在没有连续电源供应的情况下保留信息，使FeRAM成为传统易失性存储技术的一个有吸引力的替代方案。此外，残余极化的研究不仅限于铁电材料。它在压电材料中也起着重要作用，这些材料在机械应力作用下会产生电荷。在这些材料中，残余极化可以影响其灵敏度和整体性能。理解如何控制和优化残余极化对于提高依赖于压电效应的设备（如压力传感器和能量收集器）的效率至关重要。然而，在某些情况下，残余极化也可能带来挑战。例如，在高性能电容器中，过多的残余极化可能导致能量损失和效率降低。工程师和科学家必须仔细平衡残余极化的优缺点，以设计出满足特定要求的材料和设备。总之，残余极化是材料科学中的一个基本概念，对各种电子设备的发展和功能具有重要影响。它在移除外部力后保持稳定电场的能力使其在非易失性存储和压电传感器等应用中具有不可或缺的价值。随着这一领域研究的不断推进，对残余极化的更深入理解无疑将导致创新，从而提升现代技术的性能和可持续性。