Degradation Example

X-ray Induced Degradation – due to exposure time (flux)

 

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Degradation Menu Links	Degradation of NaClO4  Cl (2p) Signal versus Time (12 hrs)
Degradation of Polymers by X-rays Degradation due to Flood Gun Electrons Degradation due to Ar+ Ion Etching Degradation due to X-ray Flux

 

 

Degradation due to Low Voltage Flood Gun Electrons

 

 

 

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Degradation of MoO3 on Alumina due to Flood Gun – Catalyst

Mo (3d) Signal 

 

 

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Due to Long Term (14 hr) Exposure to Monochromatic X-rays – High Flux

 

 

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Degradation of Polymers due to Monochromatic and Non-Monochromatic X-rays

 

 

 

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Polymeric Hydrocarbons lose Hydrogen to form C=C double bonds

These sp2 double bonds appear at slightly lower BE than sp3 single bonds.

 

 

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Degradation due to Ar+ Ion Etching

 

 

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Degradation of HfO2 and TiO2 by 1 kV Argon Ion Beam

Al2O3 does not readily degrade using a 1 kV Argon Ion Beam

 

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Ta2O5 which is often used to Check Ion Etching Rate suffers Degradation at 200 eV and higher