单词 | low-energy electron diffraction |
释义 | low-energy electron diffraction [`lō ´en·ǝr·jē i´lek´trän di`frak·shǝn] SOLID-STATE PHYSICS A technique for studying the atomic structure of single crystal surfaces, in which electrons of uniform energy in the approximate range 5-500 electronvolts are scattered from a surface, and those scattered electrons that have lost no energy are selected and accelerated to a fluorescent screen where the diffraction pattern from the surface can be observed. Abbreviated LEED. |
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