antiphase boundary

简明释义

1. 反相边界; 2. 反相界; 3. 改相界线;

英英释义

例句

1.In semiconductor physics, the antiphase boundary 反相边界 plays a significant role in determining electronic properties.

在半导体物理中，antiphase boundary 反相边界在决定电子性质方面起着重要作用。

2.The study of the antiphase boundary 反相边界 in crystal structures can reveal important information about phase transitions.

对晶体结构中antiphase boundary 反相边界的研究可以揭示关于相变的重要信息。

3.Researchers found that the antiphase boundary 反相边界 can significantly affect the mechanical strength of alloys.

研究人员发现，antiphase boundary 反相边界可以显著影响合金的机械强度。

4.The antiphase boundary 反相边界 is often studied in the context of superlattice structures.

在超晶格结构的背景下，antiphase boundary 反相边界通常被研究。

5.Understanding the properties of the antiphase boundary 反相边界 is crucial for developing new materials with enhanced performance.

理解antiphase boundary 反相边界的性质对于开发具有增强性能的新材料至关重要。

作文

In the realm of materials science and crystallography, the term antiphase boundary refers to a specific type of interface that occurs between two regions of a crystal lattice that are in opposite phases. This phenomenon is particularly significant when discussing ordered alloys or compounds where two distinct structural arrangements can exist. The presence of an antiphase boundary can lead to unique properties and behaviors in materials, which can be both beneficial and detrimental depending on the context of their application.To understand the implications of antiphase boundary, it is essential to first grasp the concept of phase in materials. A phase in a material is defined by its distinct structural arrangement and the energy state of its constituents. When two phases exist side by side within a single material, the interface between them becomes critical in determining the overall properties of the material. An antiphase boundary specifically arises when the atomic arrangements on either side of the boundary are mirror images of each other, indicating that the atoms in one region are displaced relative to those in the other.The formation of antiphase boundaries is often driven by thermodynamic factors during the cooling process of a material from a high-temperature phase to a lower temperature phase. As the material cools, the atoms may settle into different configurations based on the local conditions, leading to the establishment of these boundaries. This can be particularly observed in ordered intermetallic compounds, where the antiphase boundary can influence mechanical strength, ductility, and electrical conductivity.One of the most intriguing aspects of antiphase boundaries is their role in the mechanical properties of materials. For instance, in certain alloys, the presence of these boundaries can enhance resistance to deformation, making the material more robust under stress. However, in other cases, they can act as sites for crack initiation, leading to premature failure of the material. This duality underscores the importance of understanding the nature and distribution of antiphase boundaries in the design and application of advanced materials.Researchers have been investigating ways to manipulate antiphase boundaries to optimize material properties for specific applications. By controlling the size, density, and distribution of these boundaries through processes such as alloying, heat treatment, and mechanical processing, scientists aim to tailor the characteristics of materials to meet the demands of various industries, including aerospace, automotive, and electronics.In conclusion, the concept of antiphase boundary is a crucial element in the study of materials science. Understanding how these boundaries form, their effects on material properties, and strategies for their manipulation can lead to the development of innovative materials with enhanced performance. As technology continues to advance, the knowledge of antiphase boundaries will undoubtedly play a pivotal role in the creation of next-generation materials that can withstand the challenges of modern applications.

在材料科学和晶体学领域，术语antiphase boundary指的是发生在两个晶格区域之间的一种特定类型的界面，这两个区域处于相反的相位。这一现象在讨论有序合金或化合物时尤为重要，因为这两种不同的结构排列可以共存。antiphase boundary的存在可能导致材料出现独特的性质和行为，这些性质和行为在应用的上下文中可能是有益的，也可能是有害的。要理解antiphase boundary的影响，首先需要掌握材料中的相的概念。材料中的相由其独特的结构排列和成分的能量状态定义。当两种相并排存在于单一材料中时，它们之间的界面对于决定材料的整体性质至关重要。antiphase boundary特别出现在边界两侧的原子排列互为镜像的情况，表明一侧的原子相对于另一侧的原子发生了位移。antiphase boundary的形成通常是在材料从高温相冷却到低温相的过程中，由热力学因素驱动的。当材料冷却时，原子可能根据局部条件沉积成不同的配置，从而建立这些边界。这种现象在有序的金属间化合物中特别明显，antiphase boundary会影响机械强度、延展性和电导率。antiphase boundaries最引人注目的方面之一是它们在材料机械性能中的作用。例如，在某些合金中，这些边界的存在可以增强抗变形能力，使材料在应力下更加坚固。然而，在其他情况下，它们可能作为裂纹产生的位点，导致材料的过早失效。这种二元性强调了理解antiphase boundaries的性质和分布在先进材料设计和应用中的重要性。研究人员一直在调查操控antiphase boundaries以优化材料特性的方法。通过控制这些边界的大小、密度和分布，通过合金化、热处理和机械加工等过程，科学家们旨在根据航空航天、汽车和电子等各个行业的需求来定制材料的特性。总之，antiphase boundary的概念是材料科学研究中的一个关键要素。了解这些边界如何形成、对材料性能的影响以及操控策略，可以促进创新材料的开发，提高其性能。随着技术的不断进步，对antiphase boundaries的认识无疑将在创造能够应对现代应用挑战的下一代材料中发挥关键作用。