quasicrystal

简明释义

英[ˈkwɑːziˌkrɪstl]美[ˈkwɑːziˌkrɪstl]

n. （物理）准晶体

英英释义

单词用法

同义词

反义词

例句

1.Effects of master alloy of quasicrystal containing magnesium additions and solution treatment on microstructure and mechanical properties of AZ91 magnesium alloy were studied.

研究了镁基准晶中间合金和固溶处理工艺对AZ91合金显微组织和力学性能的影响。

2.As a new structure of solid matter quasicrystal brings profound new ideas to the traditional condensed matter physics, its elastic equations are more complicated than that of traditional crystal.

准晶作为一种新的固态物质结构给传统的凝聚态物理学带来了深刻的变革，其弹性基本方程比传统晶体的弹性基本方程要复杂得多。

3.The point groups of octagonal system in quasicrystal are studied.

从理论上对准晶体中八方晶系各点群进行了研究。

4.The peritectic reaction occurs in the icosahedral quasicrystal formation.

准晶相由包晶反应生成。

5.As a new structure of solid matter quasicrystal brings profound new ideas to the traditional condensed matter physics, its elastic equations are more complicated than that of traditional crystal.

准晶作为一种新的固态物质结构给传统的凝聚态物理学带来了深刻的变革，其弹性基本方程比传统晶体的弹性基本方程要复杂得多。

6.The microstructure, composition and phases of the alloy were analyzed by SEM and EDS. The icosahedral quasicrystal structure was identified by TEM.

通过扫描电镜、能谱分析仪和透射电子显微分析技术，确定了合金的凝固组织、相成分及二十面体准晶的结构。

7.Finally, it discusses the multiscale fractal feature of quasicrystal conjugate structure.

最后讨论了准晶共轭结构的多标度分形特征。

8.Axisymmetric elasticity problem of cubic quasicrystal is reduced to a solution of a partial differential equation with higher-order by introducing displacement function.

本文通过引入位移函数使得立方准晶的轴对称弹性问题化为求解一高阶偏微分方程。

9.The discovery of quasicrystal around 1984 is a significant breakthrough for condensed matter physics in recent years.

1984年准晶体的发现是近年来凝聚态物理的一个重大突破。

10.One application of quasicrystal 准晶体 is in non-stick coatings for cookware.

一种准晶体的应用是在炊具的防粘涂层中。

11.Scientists have found that quasicrystal 准晶体 can be formed from metal alloys.

科学家发现准晶体可以由金属合金形成。

12.Researchers are studying the properties of quasicrystal 准晶体 to develop new materials for electronics.

研究人员正在研究准晶体的特性，以开发新型电子材料。

13.The unique structure of quasicrystal 准晶体 allows it to exhibit unusual physical properties.

准晶体独特的结构使其表现出不寻常的物理特性。

14.The discovery of quasicrystal 准晶体 has changed our understanding of solid materials.

对准晶体的发现改变了我们对固体材料的理解。

作文

In the realm of materials science, the discovery of quasicrystals has revolutionized our understanding of solid-state structures. Unlike traditional crystals, which exhibit periodic atomic arrangements, quasicrystals possess an ordered structure that is non-repeating. This unique characteristic allows them to display symmetries that are not found in conventional crystalline materials, such as five-fold symmetry. The concept of quasicrystals was first introduced by Dan Shechtman in 1982 when he observed a peculiar diffraction pattern in a rapidly cooled alloy of aluminum and manganese. This groundbreaking discovery challenged the existing paradigms of crystallography and earned Shechtman the Nobel Prize in Chemistry in 2011.The significance of quasicrystals extends beyond their structural novelty. They exhibit remarkable physical properties, including low thermal and electrical conductivity, high hardness, and exceptional resistance to wear. These properties make quasicrystals attractive for various industrial applications, ranging from coatings for cutting tools to components in advanced electronic devices. Their unique atomic arrangement also leads to interesting optical characteristics, making them potential candidates for photonic applications.Moreover, the study of quasicrystals has opened new avenues in the field of mathematics and theoretical physics. Researchers have drawn parallels between the structure of quasicrystals and mathematical concepts such as Penrose tiling, which is a non-periodic tiling generated by an aperiodic set of prototiles. This connection highlights the interdisciplinary nature of quasicrystals, bridging the gap between science and mathematics.Despite their fascinating properties, the synthesis of quasicrystals can be challenging. They are typically formed under specific conditions, such as rapid cooling or through vapor deposition techniques. Understanding the conditions that lead to the formation of quasicrystals is crucial for researchers aiming to harness their unique properties for practical use.In conclusion, quasicrystals represent a fascinating class of materials that defy traditional crystallographic rules. Their unique structures and properties have significant implications for both scientific research and industrial applications. As we continue to explore the world of quasicrystals, we may uncover even more extraordinary phenomena that could pave the way for innovative technologies in the future. The journey into the realm of quasicrystals is not just about understanding a new material; it is about expanding our knowledge of the universe and the fundamental principles that govern it.

在材料科学领域，准晶体的发现彻底改变了我们对固态结构的理解。与传统晶体不同，传统晶体表现出周期性的原子排列，而准晶体则具有一种不重复的有序结构。这一独特特性使它们展现出在常规晶体材料中不存在的对称性，例如五重对称性。准晶体的概念最早是由丹·谢赫特曼在1982年提出的，当时他在迅速冷却的铝锰合金中观察到一种奇特的衍射图案。这一突破性的发现挑战了晶体学的现有范式，并使谢赫特曼在2011年获得诺贝尔化学奖。准晶体的重要性不仅限于其结构的新颖性。它们表现出显著的物理特性，包括低热导率和电导率、高硬度以及卓越的耐磨性。这些特性使得准晶体在各个工业应用中具有吸引力，从切削工具的涂层到先进电子设备的组件。它们独特的原子排列也导致了有趣的光学特性，使其成为光子应用的潜在候选者。此外，准晶体的研究为数学和理论物理学领域打开了新的途径。研究人员在准晶体的结构与数学概念如彭罗斯铺砖之间找到了相似之处，后者是一种由非周期性的一组原型砖生成的铺砖。这一联系突显了准晶体的跨学科性质，架起了科学与数学之间的桥梁。尽管准晶体具有迷人的特性，但其合成可能具有挑战性。它们通常是在特定条件下形成的，例如快速冷却或通过蒸气沉积技术。理解导致准晶体形成的条件对于研究人员利用其独特特性进行实际应用至关重要。总之，准晶体代表了一类迷人的材料，它们违背了传统晶体学规则。它们独特的结构和特性对科学研究和工业应用都有重大影响。随着我们继续探索准晶体的世界，我们可能会发现更多非凡的现象，这些现象可能为未来的创新技术铺平道路。进入准晶体领域的旅程不仅仅是为了理解一种新材料；而是为了拓展我们对宇宙及其基本原则的知识。