【摘要】 本文报道关于铌酸锂螺旋晶体的实验事实。这种螺旋晶体就像一根具有一定取向的直晶棒被弯曲盘卷在一个圆柱面上,它不是自发地而是受人工控制形成的。文中并就此螺旋晶体作了一些讨论。更多还原

【Abstract】 The object of this article is to present the experimental facts about the spiral crystals. The spiral crystal is just like a straight crystal bar with definite orientation coiled on a cylindrical surface. It is not formed spontaneously, but is formed under control. Some problems on spiral crystal are discussed.更多还原