base centred lattice

简明释义

底心格子;

英英释义

例句

1.The base centred lattice configuration is crucial for determining the density of certain metals.

对于某些金属而言，基面中心晶格配置对确定其密度至关重要。

2.The base centred lattice is a key concept in crystallography and helps in the classification of different crystal systems.

基面中心晶格是晶体学中的一个关键概念，有助于对不同晶体系统进行分类。

3.The crystal structure of sodium chloride can be analyzed by considering its base centred lattice.

氯化钠的晶体结构可以通过考虑其基面中心晶格来分析。

4.In materials science, understanding the properties of a base centred lattice helps predict how materials will behave under stress.

在材料科学中，理解基面中心晶格的特性有助于预测材料在压力下的表现。

5.Chemists often refer to the base centred lattice when discussing the arrangement of atoms in a compound.

化学家在讨论化合物中原子的排列时，经常提到基面中心晶格。

作文

In the study of crystallography, understanding the various types of lattice structures is fundamental to grasping how materials are organized at the atomic level. One such structure is the base centred lattice, which plays a crucial role in defining the properties of certain crystalline materials. A base centred lattice is characterized by having lattice points at each corner of the unit cell as well as an additional lattice point located at the center of one of the faces of the cell. This unique arrangement leads to interesting geometric and symmetry properties that can influence the physical characteristics of the material.To visualize a base centred lattice, consider a simple cubic structure where atoms are positioned at the corners of a cube. In addition to these corner atoms, a single atom is placed at the center of one of the cube's faces. This addition alters the symmetry and packing efficiency of the lattice, making it distinct from other lattice types such as body-centered or face-centered lattices.The implications of a base centred lattice extend beyond mere geometry; they significantly affect the mechanical properties of materials. For instance, materials with a base centred lattice often exhibit enhanced ductility and strength due to the way atoms are arranged and interact with one another. This is particularly evident in metals such as titanium and certain alloys, which adopt this lattice structure under specific conditions.Moreover, the electronic properties of materials can also be influenced by the presence of a base centred lattice. The arrangement of atoms affects the band structure, which in turn determines the electrical conductivity and optical properties of the material. Understanding these relationships is essential for materials scientists who aim to design new materials with tailored properties for applications in electronics, aerospace, and other high-tech industries.In conclusion, the base centred lattice is more than just a geometric arrangement; it is a fundamental concept that bridges the gap between atomic structure and material properties. By studying this lattice type, researchers can gain insights into the behavior of various materials, leading to innovations in technology and engineering. As we continue to explore the complexities of crystallography, the base centred lattice remains a key focus for those aiming to unlock the secrets of material science.

在晶体学的研究中，理解各种晶格结构对于掌握材料在原子级别的组织至关重要。其中一种结构是基面中心晶格，它在定义某些晶体材料的特性方面发挥着关键作用。基面中心晶格的特点是在单位晶胞的每个角落都有晶格点，并且在晶胞的一个面的中心位置还有一个额外的晶格点。这种独特的排列导致了有趣的几何和对称性质，这些性质可以影响材料的物理特性。要想象基面中心晶格，可以考虑一个简单的立方结构，其中原子位于立方体的角落。除了这些角原子外，还有一个原子位于立方体某一面的中心。这一附加原子的存在改变了晶格的对称性和堆积效率，使其与其他晶格类型（如体心或面心晶格）有所不同。基面中心晶格的影响不仅限于几何形状；它们显著影响材料的机械性能。例如，具有基面中心晶格的材料通常由于原子的排列和相互作用方式而表现出增强的延展性和强度。这在钛及某些合金等金属中尤其明显，这些金属在特定条件下采用这种晶格结构。此外，材料的电子特性也可能受到基面中心晶格存在的影响。原子的排列影响带结构，而带结构又决定了材料的电导率和光学特性。了解这些关系对于材料科学家设计具有特定属性的新材料至关重要，这些材料可用于电子、航空航天和其他高科技行业。总之，基面中心晶格不仅仅是一种几何排列；它是一个基本概念，连接了原子结构和材料特性之间的桥梁。通过研究这种晶格类型，研究人员可以深入了解各种材料的行为，从而推动技术和工程的创新。在我们继续探索晶体学的复杂性时，基面中心晶格仍然是那些旨在揭示材料科学秘密的研究者们的重点。