晶體結構 原子的規則排列稱為晶體。 晶體的原子結構影響其性質。這就是為什麼鑽石堅硬而石墨柔軟，儘管它們都是碳組成的。 我們怎麼知道原子排列？其中一個線索是晶體形狀。 另一個強大的工具是由威廉和勞倫斯布拉格於1912年開發的。 他們使用X射線探測晶體內部並研究了它們從原子反射時產生的衍射圖案，從而得知其晶體結構信息。 Crystal structures Regular arrangements of atoms are called crystals. The atomic structure of a crystal affects its properties. That is why diamonds are hard and graphite is soft, aithough they are both made of carbon. How do we know about atom arrangements? One clue is the crystal shape. Another powerful tool was developed in 1912 by William and Lawrence Bragg. They used X-rays to probe inside a crystal and studied the'diffraction' patterns created when they reflected off the atoms
