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Major and Minor Edges Legend

Understanding both major and minor EELS edges is essential for accurate elemental identification, reliable quantification, and correct interpretation of complex spectra. Major edges provide the primary elemental signatures, while minor edges help resolve overlaps, reduce misidentification, and reveal deeper chemical and bonding information—leading to more confident, reproducible results.

 

Threshold

Edge

 

Sharp Peak

Broad Peak

Abrupt Onset

Delayed Maximum

Very Delayed

Major
Major_Sharp Peak
Major_Broad Peak
Major_Abrupt Onset
Major_Delayed Minimum
Major_Very Delayed
Minor
Minor_Sharp Peak
Minor_Broad Peak
Minor_Abrupt Onset
Minor_Delayed Minimum
Minor_Very Delayed
Intermittent
Intermittent_Sharp Peak
Intermittent_Broad Peak
Intermittent_Abrupt Onset
Intermittent_Delayed Minimum
Intermittent_Very Delayed
Very Weak
Very Weak_Sharp Peak
Very Weak_Broad Peak
Very Weak_Abrupt Onset
Very Weak_Delayed Minimum
Very Weak_Very Delayed

 

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