Bragg's law

简明释义

1. 布拉格定律; 2. 布拉格定律结晶学; 3. 布拉格方程;

英英释义

Bragg's law is a fundamental principle in crystallography that relates the angles at which X-rays are diffracted by the planes of a crystalline material to the wavelength of the X-rays and the distance between the crystal planes.

布拉格定律是晶体学中的一个基本原理，它将X射线被晶体材料的平面衍射的角度与X射线的波长和晶体平面之间的距离联系起来。

例句

1.In X-ray crystallography, we often use Bragg's law (布拉格定律) to determine the crystal structure of materials.

在X射线晶体学中，我们常常使用布拉格定律来确定材料的晶体结构。

2.To understand how light interacts with crystals, one must study Bragg's law (布拉格定律).

要理解光如何与晶体相互作用，必须研究布拉格定律。

3.The validity of Bragg's law (布拉格定律) is confirmed through various experimental methods in physics.

通过物理学中的各种实验方法确认了布拉格定律的有效性。

4.The equation derived from Bragg's law (布拉格定律) is essential for analyzing diffraction patterns.

从布拉格定律推导出的方程对于分析衍射图案至关重要。

5.Researchers applied Bragg's law (布拉格定律) to measure the spacing between atomic planes in a solid.

研究人员应用布拉格定律来测量固体中原子平面之间的间距。

作文

The study of crystallography has been pivotal in advancing our understanding of the atomic structure of materials. One of the fundamental principles that guide this field is Bragg's law, which is essential for interpreting X-ray diffraction patterns. Bragg's law states that when X-rays are directed at a crystal, they are scattered by the atoms within the crystal lattice. The condition for constructive interference of the scattered waves occurs when the path difference between the rays reflected from adjacent planes of atoms is an integer multiple of the wavelength of the incident X-rays.Mathematically, Bragg's law can be expressed as nλ = 2d sin(θ), where n is an integer (the order of the reflection), λ is the wavelength of the incident X-rays, d is the distance between the crystal planes, and θ is the angle of incidence. This relationship allows scientists to determine the arrangement of atoms within a crystal by analyzing the angles and intensities of the diffracted beams. The significance of Bragg's law cannot be overstated. It not only provides a method for determining crystal structures but also has applications in various fields such as chemistry, physics, and materials science. For instance, in drug development, understanding the crystal structure of a compound can lead to insights about its properties and interactions, ultimately guiding the design of more effective pharmaceuticals.Moreover, Bragg's law has played a crucial role in the advancement of technologies such as X-ray computed tomography (CT) and solid-state physics. Researchers utilize this law to investigate the properties of new materials, including superconductors and nanomaterials, which have significant implications for electronics and energy storage.In practical terms, the application of Bragg's law involves sophisticated equipment like X-ray diffractometers. These instruments allow researchers to precisely measure the angles at which X-rays are diffracted by a crystal. By collecting data on the intensity of these diffracted beams at various angles, scientists can construct a three-dimensional model of the crystal structure. This process is not only vital for academic research but also for industrial applications where material properties need to be optimized for specific uses.In conclusion, Bragg's law serves as a cornerstone in the field of crystallography, enabling scientists to unlock the mysteries of material structures at the atomic level. Its implications extend beyond theoretical knowledge, impacting numerous practical applications across different industries. As we continue to explore the intricacies of materials science, the importance of Bragg's law will undoubtedly remain central to our advancements in technology and medicine.

晶体学的研究在推动我们对材料原子结构的理解方面具有重要意义。指导这一领域的基本原则之一是布拉格定律，它对于解释X射线衍射图案至关重要。布拉格定律指出，当X射线照射到晶体上时，它们会被晶体晶格内的原子散射。当相邻原子平面反射的光束之间的路径差是入射X射线波长的整数倍时，就会发生相干增强。从数学上讲，布拉格定律可以表示为nλ = 2d sin(θ)，其中n是整数（反射级数），λ是入射X射线的波长，d是晶面之间的距离，θ是入射角。这个关系使科学家能够通过分析衍射光束的角度和强度来确定晶体内原子的排列。布拉格定律的重要性不容小觑。它不仅提供了一种确定晶体结构的方法，还在化学、物理和材料科学等多个领域具有应用。例如，在药物开发中，了解化合物的晶体结构可以提供关于其性质和相互作用的见解，最终指导更有效药物的设计。此外，布拉格定律在X射线计算机断层扫描（CT）和固态物理学的发展中也发挥了关键作用。研究人员利用该定律研究新材料的特性，包括超导体和纳米材料，这对电子学和能源储存具有重要意义。在实际应用中，布拉格定律的应用涉及复杂的设备，如X射线衍射仪。这些仪器使研究人员能够精确测量X射线被晶体衍射的角度。通过收集不同角度下衍射光束强度的数据，科学家可以构建晶体结构的三维模型。这个过程不仅对学术研究至关重要，对需要优化特定用途材料性能的工业应用同样如此。总之，布拉格定律作为晶体学领域的基石，使科学家能够揭开材料结构在原子级别上的奥秘。其影响超越理论知识，影响着各个行业的众多实际应用。随着我们继续探索材料科学的复杂性，布拉格定律的重要性无疑将在技术和医学的进步中保持中心地位。