Chemical etching method

Electrochemical plating method

SEI

SEPC

EBIC

Junction delineation type

Metallurgical

electrical

Delineation display

Highlight etched n doped region

Highlight n doped regions covered by Cu

Delimitation of the metallurgical junction

Highlight p doped regions in bright and n doped regions in dark

Space charge region mapping

Spatial delineation range

HIGH

HIGH

HIGH

LOW

(because of SEM imaging)

LOW

(because of SEM imaging + probe positioning)

Applicable on multiple junctions design

YES

YES

LIMITED

multiple probing configurations required

YES

LIMITED

multiple probing configurations required

Require preliminary sample design informations

NO

NO

YES

for probe positioning

NO

YES

for probe positioning

Spatial resolution

LOW

LOW

LOW

HIGH

LOW

Applicable on short junction (1 µm depth) characterization

LIMITED

NO

(large size of the Cu particles)

NO

(due to probing)

YES

NO

(due to probing)

Junction nature determination

Limited

(highly dependent on etching duration)

YES

(Cu deposition on n doped areas)

YES

YES

YES

Isotype delineation

LIMITED (1)

n+ = thicker Cu deposition

NO

LIMITED (2)

NO

Other available information(s)

NO

NO

NO

Quantitative approach yet reported

SCR mapping under polarization; diffusion length determination…

Sensitivity to the experimental set up

HIGH

MEDIUM

LOW

LOW

LOW

Sensitivity to the polishing quality

LOW

LOW

MEDIUM

MEDIUM

HIGH

Destructive method

on the studied CS

YES

YES

NO

NO

NO

Require Expensive tool

NO

NO

YES

YES

YES

Require specific tool except SEM

NO

Common chemical solutions

YES

NO

YES

Probing + EBIC ampli

Easy to implement

YES

YES

YES

YES

NO

Safety constraint level

HIGH

HIGH

LOW

LOW

LOW