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Table 3 Peak positions and fitted results for chromium, iron and oxygen from XPS

From: Characterization of Passive Films Formed on As-received and Sensitized AISI 304 Stainless Steel

Potential

Para-

meter

Fe(0)

Fe3O4

FeO

Fe2O3

FeOOH

Cr(0)

Cr2O3

CrO3

Cr(OH)3

Cr(0)

O2−

OH−

0.2V

Eb/eV

706.7

708.2

709.4

710.9

711.8

574.3

576.8

578.3

577.3

574.3

574.3

576.8

FWHM

–

–

2.15

4.3

–

–

2.8

–

1.9

–

1.5

1.35

Atomic concen-

tration

16.01%

10.63%

73.36%

0.6V

Eb/eV

706.7

708.2

709.4

710.9

711.8

574.3

576.8

578.3

577.3

574.3

574.3

576.8

FWHM

–

2.82

1.92

3.47

–

–

2.3

2.0

–

–

1.43

1.4

Atomic concen-

tration

10.75%

11.60%

77.65%