Nicholas Winograd lectures

 

 

 

 

SIMS fundamentals.

Visualization of sputtering on the atomic and molecular level via molecular dynamics

Current theories of ionization in SIMS

Polyatomic projectiles – which ones and why?

Cluster/solid interactions

Energy and angular distributions of secondary ions

Quantification and Matrix effects

Molecular depth profiling

Comparison to inorganic depth profiling and Fred Stevie’s lectures

Erosion rates, topography and depth resolution

Projectile kinetic energy and the angle of incidence

Theoretical models

Issues for SIMS imaging

Sensitivity

Factors that affect lateral resolution

3-Dimensional experiments and the depth measurement condundrum

Instrumental issues

TOF’s, quadrupoles, magnetic sectors and hybrid machines

Tandem mass spectrometers

Mass resolution, transmission efficiency and charging