Table 3 FT-IR spectral bands (cm-1)

From: Structural, magnetic, and optical characteristics of undoped and chromium, iron, cobalt, copper, and zinc doped nickel oxide nanopowders

Samples

Assignments

Ni-O stretching

C-O

O-H bending

O-H stretching

NiO

424 cm− 1

1034− 1

1630 cm− 1

3454 cm− 1

Ni0.95Cr0.05O

423 cm− 1

980− 1

1627 cm− 1

3443 cm− 1

Ni0.95Fe0.05O

489 cm− 1

1031− 1

1629 cm− 1

3438 cm− 1

Ni0.95Co0.05O

416 cm− 1

1028− 1

1629 cm− 1

3444 cm− 1

Ni0.95Cu0.05O

528 cm− 1

1032− 1

1629 cm− 1

3442 cm− 1

Ni0.95Zn0.05O

421 cm− 1

1035− 1

1630 cm− 1

3440 cm− 1

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