用不同温度和溶剂蒸发法生长（CH $_3$）$_2$ NH $_2$ CuCl $_3$单晶
Growth of (CH$_3$)$_2$NH$_2$CuCl$_3$ single crystals using evaporation method with different temperatures and solvents
摘要：
采用缓慢蒸发法生长了低维磁体（CH $_3$）$_2$ NH $_2$ CuCl $_3$（DMACuCl $_3$或MCCL）的大块单晶。在甲醇、乙醇和水三种溶剂中，乙醇因其与原料的结构相似性和适宜的蒸发速率而成为生长MCCL晶体的最佳溶剂。最佳生长温度为35 $^{\circ}$ C附近。通过重结晶工艺解决了晶体在空气中潮解的问题。晶体的特征在于通过X射线衍射，比热和磁化率。
英文摘要：
The bulk single crystals of of low-dimensional magnet (CH$_3$)$_2$NH$_2$CuCl$_3$ (DMACuCl$_3$ or MCCL) are grown by a slow evaporation method with different kinds of solvents, different degrees of super-saturation of solution and different temperatures of solution, respectively. Among three kinds of solvent, methanol, alcohol and water, alcohol is found to be the best one for growing MCCL crystals because of its structural similarity to the raw materials and suitable evaporation rate. The best growth temperature is in the vicinity of 35 $^{\circ}$C. The problem of the crystals deliquescing in air has been solved through recrystallization process. The crystals are characterized by means of x-ray diffraction, specific heat and magnetic susceptibility.
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