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The world around us is made of atoms. The nature of the atoms (or most of them) is to bond together forming small groups, which we call compounds or molecules. Atoms are very small. One cubic millimeter contains more than many billions of atoms. They can be placed there randomly as tomatoes in a vegetable bin, or they can be arranged in neat layers and pyramids like oranges or grapefruits on a village market stall. Such an arranged form made of atoms is very valuable for solid state physics and has its own name, which is crystal. My job is arranging these atoms or molecules into crystals. Most of the crystals that I am growing (growing is the verb used to describe the atom-arranging process) do not appear in nature. However, the properties resulting from this arrangement can be explained or even modeled by the rule of nature, which we who are involved in research like to call the rules of physics. Sometimes, the properties resulting from the interactions of elements surprise us and we need a long time to understand and incorporate the emerging new properties back inside the framework of physics. Sometimes, physicists, chemists or biologists predict strange structures with even stranger properties. Then crystal growers try to build the structures from simple elements taken from the periodic table. Sometimes the fabrication of new material is so complex that we exaggerate and say that crystal growth is more art than science. But crystals possess an inner beauty all their own, which can be seen under very strong magnification in an electron microscope, under a medium magnification in an optical microscope, or, in the largest specimens, with naked eye. I think that these artificial entities--crystals-- have their own inner esthetic and can not only be objects of scientific studies, but also invoke esthetic feelings.
In conclusion, I share my enthusiasm for crystals with others--chemists who synthesize the awesome molecules, physicists who measure the bizarre properties and biologists who explain the role of molecules in life. Moreover, for all we know the humble crystal, so important for research, may also inspire a whole new body of artistic endeavor.
研究兴趣
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Angewandte Chemieno. 38 (2019): 13647-13655
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