ferroelectric substance
简明释义
铁电体
英英释义
A ferroelectric substance is a material that exhibits spontaneous electric polarization that can be reversed by the application of an external electric field. | 铁电物质是一种材料,它表现出自发的电极化,并且可以通过施加外部电场来逆转这种极化。 |
例句
1.The properties of ferroelectric substances 铁电物质 make them ideal for applications in piezoelectric devices.
由于ferroelectric substances 铁电物质的特性,它们非常适合用于压电设备。
2.In sensors, the use of ferroelectric substances 铁电物质 can enhance sensitivity and response time.
在传感器中,使用ferroelectric substances 铁电物质可以提高灵敏度和响应时间。
3.The researchers discovered a new type of ferroelectric substance 铁电物质 that could improve memory storage devices.
研究人员发现了一种新的类型的ferroelectric substance 铁电物质,可以改善存储设备的性能。
4.Scientists are studying the phase transitions of ferroelectric substances 铁电物质 to understand their behavior under different temperatures.
科学家正在研究ferroelectric substances 铁电物质的相变,以了解它们在不同温度下的行为。
5.The development of ferroelectric substances 铁电物质 has led to advancements in non-volatile memory technologies.
对ferroelectric substances 铁电物质的开发推动了非易失性存储技术的进步。
作文
In the realm of materials science, the study of various substances has led to numerous advancements in technology and engineering. One particularly intriguing category of materials is known as ferroelectric substances (铁电物质). These materials exhibit unique electrical properties that make them essential in many modern applications, including capacitors, sensors, and memory devices.A ferroelectric substance is characterized by its ability to maintain a spontaneous electric polarization, even in the absence of an external electric field. This polarization can be reversed by applying an external electric field, which is a defining feature of these materials. The phenomenon arises from the alignment of electric dipoles within the material's crystal structure. When these dipoles align in a particular direction, they create a net polarization that can be manipulated by external stimuli.The most well-known example of a ferroelectric substance is barium titanate (BaTiO3). This ceramic material is widely used in various electronic devices due to its excellent dielectric properties and ability to operate at high frequencies. Barium titanate can be found in capacitors, piezoelectric devices, and even in certain types of transducers. Its versatility and effectiveness demonstrate the significant role that ferroelectric substances play in the advancement of technology.Another important aspect of ferroelectric substances is their temperature-dependent behavior. Each ferroelectric material has a specific temperature known as the Curie temperature, above which it loses its ferroelectric properties and becomes paraelectric. This transition is crucial for understanding how these materials function in different environments and applications. For instance, devices operating at high temperatures must be designed with materials that remain stable and effective beyond their Curie points.The applications of ferroelectric substances extend beyond traditional electronics. In recent years, researchers have been exploring their potential in the field of energy harvesting. By utilizing the piezoelectric effect, which is closely related to ferroelectricity, these materials can convert mechanical energy into electrical energy. This capability opens up new avenues for developing self-powered devices, such as sensors that can operate without an external power source.Furthermore, the integration of ferroelectric substances into nanotechnology has led to innovative approaches in the development of nanoscale devices. The unique properties of these materials at the nanoscale can enhance the performance of electronic components, leading to faster and more efficient devices. As scientists continue to explore the possibilities within this field, the future of ferroelectric substances appears promising.In conclusion, the exploration of ferroelectric substances has significantly impacted various technological fields, demonstrating their importance in modern engineering and materials science. Their unique properties, including spontaneous polarization and temperature-dependent behavior, make them invaluable in a wide range of applications. As research progresses, we can expect to see even more innovative uses for these fascinating materials, ultimately contributing to advancements in technology that improve our daily lives.
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