No

Sample

Wave number (cm−1)

Assignments

1

LiCu0.5Mn1.5O4

523

Li-O

625

Li-Cu-Mn-O

2

LiCu0.5Cr0.05Mn1.45O4

505

Li-O

621

Li-Cu-Cr-Mn-O

3

LiCu0.5Cr0.10Mn1.40O4

503

Li-O

618

Li-Cu-Cr-Mn-O

4

LiCu0.5Cr0.5Mn1.0O4

525

Li-O

625

Li-Cu-Cr-Mn-O