Practical Electron Microscopy and Database

An Online Book, Second Edition by Dr. Yougui Liao (2006)

Practical Electron Microscopy and Database - An Online Book

Chapter/Index: Introduction | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Appendix

Ion Sources for FIB

Table 2450. Ion sources for FIB.

Type
Materials
Ions
Current
Percentage
LMIS (liquid Metal Ion Source)
Ga
Ga+
98%
Alloy -LMIS
CoNd, or AuGeSi
Au, Si, Ge, Co, Nd, Er…
2%
Laser Cooled Ion Source
Cs, …    
Ionic Liquid Ion Source
CsNO3
Cs+, NO3-
Gas Field Emission Ion Source
Noble gas, e.g. He/Ne
Low
He – FEIS (field emission ion sources)
He+
Low
Plasma Gas Ion Sources
Multicusp type
Noble gas (typically Xe at 100 pA – 1 uA)
High
Penning type
Magneto-Optical-Trap IS (ion sources)
Noble gas
Low
EBIT (electron beam ion trap)
Noble gas
Low
EBIS (electron beam ion source)
Noble gas
Low