Fast DualEELS analysis of the distribution of Pd particles and their chemistry in zeolite

The EELS analysis shows how Pd particles chemically interact with support.

Methods

FEI F20 TEM/STEM microscope 
S-FEG emission gun
GIF Quantum^® ER system
voltage: 200 kV
data taken in STEM mode
EELS core-loss spectrum (50–550 eV)
exposure time: 3 ms