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单词 SEXAFS
释义

SEXAFS

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表面扩展X射线吸收精细结构
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  • sex n. 性别; 性 男性; 女性 性关系 性活动, 性行为
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SEXAFS 精细结构
英语百科

Surface-extended X-ray absorption fine structure

(重定向自SEXAFS)

Surface-extended X-ray absorption fine structure (SEXAFS) is the surface-sensitive equivalent of the EXAFS technique. This technique involves the illumination of the sample by high-intensity X-ray beams from a synchrotron and monitoring their photoabsorption by detecting in the intensity of Auger electrons as a function of the incident photon energy. Surface sensitivity is achieved by the interpretation of data depending on the intensity of the Auger electrons (which have an escape depth of ~1–2 nm) instead of looking at the relative absorption of the X-rays as in the parent method, EXAFS.

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更新时间:2025/6/22 3:58:44