ADP晶体生长过程中的运动方式对晶体性能的影响

doi:10.11896/cldb.18030051

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Abstract The ammonium dihydrogen phosphate (ADP) crystals grown from different motion modes were obtained. The grown crystals were investigated by Raman spectroscopy, thermal analysis, microhardness and chemical etching studies. Raman spectrum shows that ADP crystals grown by 2D and 3D motion methods maintain good crystallinity as that grown by rotating-crystal method. The thermal stability of the 2D motion method grown crystals is higher than that of the crystal grown using the rotating-crystal method; but it is lower than 3D motion method. In the rotating-crystal method, the low hardness value and high dislocation density show that the crystal contains more defects, which deteriorates the crystal quality. Compared with the 3D motion method, the quality of the crystal grown by 2D motion method is slightly lower. This is due to the inadequate convection in the growth processes of 2D motion method, leading to a decline in hardness value and an increase in dislocation density. Overall, the periodic translation motion can enhance the homogeneity of surface supersaturation and the stability of morphology, thereby reducing the probability of defect generation and improving the crystal quality.

Key words： ADP crystals solution growth morphological stability defects

Published: 12 July 2019

CLC number:

O78

Fund:This work was financially supported by the National Natural Science Foundation of China (51476014, 51176208).

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	Articles by authors
	YIN Huawei
	LI Mingwei
	ZHOU Chuan
	HU Zhitao

Cite this article:

YIN Huawei,LI Mingwei,ZHOU Chuan, et al. Effects of Motion Modes on the Properties of ADP Crystals During Growth[J]. Materials Reports, 2019, 33(16): 2660-2664.

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http://www.mater-rep.com/EN/10.11896/cldb.18030051 OR http://www.mater-rep.com/EN/Y2019/V33/I16/2660

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