ferroelectric

简明释义

英[ˌferəʊɪˈlektrɪk]美[ˌferoʊɪˈlektrɪk]

adj. 铁电的

n. 铁电体，铁电物质

英英释义

单词用法

同义词

反义词

例句

1.In the preparing process of these devices, the micropatterning of ferroelectric thin films is very important.

在这些器件的制作过程中，铁电薄膜的微图形化是非常重要的一环。

2.The calculation and results provide a theoretical basis to design the ferroelectric power supply initiating metal bridge foil.

计算方法和结果能够为起爆金属桥箔的铁电体电源设计提供理论根据。

3.Up until recently, researches thought they had the behaviors of ferroelectric materials mostly figured out.

就在不久之前，科学家们还以为有关铁电材料的性能，他们已经研究得差不多了。

4.The thermally stimulated currents (TSC) and the ferroelectric phase transition of the ferroelectric ultrafine grain were investigated.

研究了铁电微晶粉粒的热刺激电流及其铁电相变。

5.Ferroelectrics based on ferroelectric domains is one of the most important functional materials.

铁电体是一类重要的功能材料，电畴是其物理基础。

6.The spontaneous polarization of ferroelectric films was strengthened and then weakened with the increasing of annealing temperature.

此外，随退火温度升高，铁电薄膜的自发极化强度先增强后减弱。

7.Researchers are exploring ferroelectric 铁电的 ceramics for use in high-efficiency capacitors.

研究人员正在探索用于高效电容器的铁电的陶瓷材料。

8.The new smartphone features a display made from ferroelectric 铁电的 materials to enhance touch sensitivity.

这款新智能手机的显示屏采用了由铁电的材料制成，以增强触控灵敏度。

9.The study of ferroelectric 铁电的 phenomena is crucial for advancing modern electronics.

对铁电的现象的研究对于推动现代电子技术至关重要。

10.In piezoelectric devices, ferroelectric 铁电的 materials can convert mechanical stress into electrical energy.

在压电设备中，铁电的材料可以将机械应力转化为电能。

11.The ferroelectric 铁电的 properties of certain materials make them ideal for non-volatile memory applications.

某些材料的铁电的特性使其成为非易失性存储应用的理想选择。

作文

In the field of materials science, the term ferroelectric refers to a class of materials that exhibit spontaneous electric polarization. This means that these materials can maintain an electric charge even in the absence of an external electric field. The phenomenon of ferroelectric behavior arises from the alignment of electric dipoles within the material, which can be switched by applying an external electric field. This unique property makes ferroelectric materials highly desirable for various applications, particularly in the realm of electronics and energy storage.One of the most notable characteristics of ferroelectric materials is their ability to switch polarization states. When an electric field is applied, the dipoles within the material align in the direction of the field, resulting in a change in the material's polarization. Once the electric field is removed, the dipoles remain in their aligned state, allowing the material to retain its polarization. This property is analogous to how a magnet can maintain its magnetic field after being magnetized. The ability to switch polarization makes ferroelectric materials ideal for use in non-volatile memory devices, where data can be stored without a continuous power supply.Another important application of ferroelectric materials is in capacitors. Due to their high dielectric constant, ferroelectric materials can store a significant amount of electrical energy. This makes them suitable for use in energy storage devices, such as supercapacitors and batteries. Researchers are continuously exploring new ferroelectric compounds to improve the efficiency and performance of these energy storage systems.Moreover, ferroelectric materials also play a crucial role in sensors and actuators. For instance, piezoelectric materials, which are a subset of ferroelectric materials, can convert mechanical stress into electrical energy and vice versa. This property is utilized in various applications, including pressure sensors, accelerometers, and even in ultrasound imaging. By harnessing the unique properties of ferroelectric materials, engineers and scientists are developing advanced technologies that can enhance our daily lives.However, despite their many advantages, ferroelectric materials are not without challenges. One of the primary issues is the temperature dependence of their properties. Many ferroelectric materials only exhibit their unique behaviors within a specific temperature range, known as the Curie temperature. Above this temperature, the materials lose their ferroelectric properties and become paraelectric, meaning they no longer have spontaneous polarization. Therefore, researchers are actively investigating new ferroelectric materials that can operate effectively at higher temperatures or under varying environmental conditions.In conclusion, the study of ferroelectric materials is a vibrant area of research with significant implications for technology and industry. Their unique ability to exhibit spontaneous polarization and switch states under an electric field opens up a myriad of possibilities for applications in memory devices, energy storage, and sensor technology. As we continue to explore the potential of ferroelectric materials, we may uncover new innovations that can transform the way we interact with technology and the environment around us.

在材料科学领域，术语ferroelectric指的是一类表现出自发电极化的材料。这意味着这些材料即使在没有外部电场的情况下也能保持电荷。ferroelectric行为的现象源于材料内部电偶极子的排列，这些偶极子可以通过施加外部电场来改变方向。这一独特性质使得ferroelectric材料在各种应用中极具吸引力，特别是在电子和能源存储领域。ferroelectric材料最显著的特征之一是它们能够切换极化状态。当施加电场时，材料内部的偶极子会朝着电场的方向排列，从而导致材料的极化发生变化。一旦电场被移除，偶极子仍然保持在其排列状态，使材料能够保留其极化。这一特性类似于磁铁在被磁化后能够维持其磁场的方式。切换极化的能力使得ferroelectric材料非常适合用于非易失性存储设备，其中数据可以在没有持续电源的情况下存储。ferroelectric材料的另一个重要应用是电容器。由于其高介电常数，ferroelectric材料能够存储大量的电能。这使得它们适合用于能源存储设备，如超级电容器和电池。研究人员不断探索新的ferroelectric化合物，以提高这些能源存储系统的效率和性能。此外，ferroelectric材料在传感器和执行器中也发挥着至关重要的作用。例如，压电材料是ferroelectric材料的一种子集，可以将机械应力转化为电能，反之亦然。这一特性被广泛应用于各种应用中，包括压力传感器、加速度计，甚至超声成像。通过利用ferroelectric材料的独特性质，工程师和科学家正在开发先进技术，以增强我们日常生活的便利性。然而，尽管有许多优点，ferroelectric材料也面临挑战。其中一个主要问题是其性能对温度的依赖性。许多ferroelectric材料仅在特定温度范围内表现出其独特行为，这个范围称为居里温度。在这个温度以上，材料失去其ferroelectric特性，变为顺电性，即不再具有自发极化。因此，研究人员正在积极研究新的ferroelectric材料，以便在更高温度或不同环境条件下有效运行。总之，ferroelectric材料的研究是一个充满活力的研究领域，对技术和工业有着重要的影响。它们自发极化和在电场下切换状态的独特能力为存储设备、能源存储和传感器技术等应用打开了无数可能性。随着我们继续探索ferroelectric材料的潜力，我们可能会发现新的创新，改变我们与技术及周围环境的互动方式。