curie temperature
简明释义
居里点
英英释义
The Curie temperature is the temperature at which certain materials lose their permanent magnetic properties and become paramagnetic. | 居里温度是某些材料失去其永久磁性并变为顺磁性的温度。 |
例句
1.To understand the behavior of ferromagnetic materials, one must consider their curie temperature.
要理解铁磁材料的行为,必须考虑它们的居里温度。
2.The magnetic properties of iron change significantly at its curie temperature.
铁的磁性在其居里温度时发生显著变化。
3.At temperatures above the curie temperature, materials lose their permanent magnetic properties.
在高于居里温度的温度下,材料失去了其永久磁性。
4.The curie temperature of nickel is around 358 degrees Celsius.
镍的居里温度约为358摄氏度。
5.Researchers are studying how the curie temperature affects the performance of magnetic sensors.
研究人员正在研究居里温度如何影响磁传感器的性能。
作文
The concept of curie temperature refers to the temperature at which certain materials lose their permanent magnetic properties and become paramagnetic. This phenomenon is named after Pierre Curie, a pioneering physicist who made significant contributions to the field of magnetism. Understanding curie temperature is crucial in various scientific and industrial applications, particularly in the development of magnetic materials and devices.When a ferromagnetic material, such as iron, is heated to its curie temperature, the thermal energy overcomes the magnetic interactions that align the magnetic domains within the material. Below this critical temperature, the material exhibits strong magnetization due to the alignment of these domains. However, once the curie temperature is exceeded, the thermal agitation disrupts this alignment, resulting in a loss of net magnetization.This transition from ferromagnetism to paramagnetism has practical implications in many fields, including electronics, data storage, and medical imaging. For instance, in the design of magnetic sensors or hard drives, engineers must consider the curie temperature of the materials used to ensure optimal performance. If the operating temperature exceeds the curie temperature, the device may fail to function as intended, leading to data loss or inaccuracies.In addition to its importance in technology, the curie temperature also plays a role in understanding the fundamental principles of magnetism. Research into the curie temperature of various materials helps scientists explore how different atomic structures and interactions contribute to magnetic properties. For example, the curie temperature can vary significantly between different alloys and compounds, providing insights into their electronic configurations and bonding characteristics.Moreover, the curie temperature is not a fixed value; it can be influenced by factors such as impurities, structural defects, and external magnetic fields. This variability opens up avenues for material scientists to engineer new substances with tailored magnetic properties for specific applications. By manipulating the curie temperature, researchers can create materials that are effective at higher temperatures, which is particularly beneficial in high-temperature environments or applications.In summary, the curie temperature is a fundamental concept in magnetism that marks the transition point between ferromagnetic and paramagnetic states in materials. Its significance extends beyond theoretical physics, impacting various technological advancements and applications. As research continues to advance in this field, the understanding and manipulation of curie temperature will likely lead to innovative solutions and improved materials for the future. The exploration of curie temperature not only enhances our comprehension of magnetic phenomena but also paves the way for the development of next-generation technologies that rely on magnetic properties.
“居里温度”这一概念指的是某些材料失去其永久磁性并变为顺磁性的温度。这一现象以物理学家皮埃尔·居里命名,他在磁学领域做出了重要贡献。理解“居里温度”对各种科学和工业应用至关重要,特别是在磁性材料和设备的开发中。当像铁这样的铁磁材料被加热到其“居里温度”时,热能克服了使得材料内部磁畴对齐的磁相互作用。在这一临界温度以下,材料由于这些磁畴的对齐而表现出强烈的磁化。然而,一旦超过“居里温度”,热激发会破坏这种对齐,导致净磁化的丧失。从铁磁性到顺磁性的转变在许多领域具有实际意义,包括电子学、数据存储和医学成像。例如,在磁传感器或硬盘的设计中,工程师必须考虑所用材料的“居里温度”,以确保最佳性能。如果工作温度超过“居里温度”,设备可能无法按预期工作,从而导致数据丢失或不准确。除了在技术上的重要性外,“居里温度”在理解磁学基本原理方面也起着作用。对各种材料“居里温度”的研究帮助科学家探索不同原子结构和相互作用如何影响磁性。例如,“居里温度”在不同合金和化合物之间可能有显著差异,这为它们的电子配置和键合特性提供了见解。此外,“居里温度”不是一个固定值;它可以受到杂质、结构缺陷和外部磁场等因素的影响。这种可变性为材料科学家开辟了工程新物质的途径,以获得特定应用的定制磁性。通过操控“居里温度”,研究人员可以创造在更高温度下有效的材料,这在高温环境或应用中尤为有利。总之,“居里温度”是磁学中的一个基本概念,标志着材料在铁磁态和顺磁态之间的转变点。它的重要性超越了理论物理,影响着各种技术进步和应用。随着这一领域的研究不断推进,对“居里温度”的理解和操控可能会带来创新解决方案和未来改进的材料。对“居里温度”的探索不仅增强了我们对磁现象的理解,也为依赖磁性特性的下一代技术的发展铺平了道路。
相关单词