Quantification (in XPS)

Quantification in XPS

Quantification

How True is That?

What assumptions are made?

Are Surfaces Really Homogeneous?

Wagner or Scofield?

From First Principles?

Simplifying the expression

Quantification

So how can we get Quantification?

Normalisation - Introducing l and G

Scofield - what is it?

Empirical v Theoretical

Empirical Data Sets

Diapositive 16

Background Subtraction Methods

Background Subtraction (Silver)

Background Subtraction

Background Subtraction

"Normalised peak area (neglecting..."

Background Subtraction

Background Subtraction

X-ray Satellites

Background Subtraction

Background Subtraction

Background Subtraction

Transmission Function

Transmission Functions - History

Transmission Functions

Effect of Transmission Function

Transftn.cfg

Effect of different Lens Modes/Sources

How much can the data vary?

Conclusions