“negative electron-affinity material”的概念、定义、翻译、参考文献-科学参考

单词	negative electron-affinity material
释义	negative electron-affinity material [`neg·ǝd·iv i`lek´trän ǝ`fin·ǝd·ē mǝ´tir·ē·ǝl] ^ELECTRONICS A material, such as gallium phosphide, whose surface has been treated with a substance, such as cesium, so that the surface barrier is reduced, band-bending occurs so that the top of the conduction band lies above the vacuum level, and the electron affinity of the substance in negative. Abbreviated NEA material.
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