Table 3 Energy gap; refractive index; and dielectric constant of the prepared samples for both direct and indirect.

From: Advancing energy storage and supercapacitor applications through the development of Li+-doped MgTiO3 perovskite nano-ceramics

Li content

Eg direct (eV)

Eg indirect

(eV)

nKumar (d)

nKumar (in)

eKumar (d)

eKumar (in)

MT

2.943

3.686

2.37

2.21

5.65

4.88

MT1Li

3.495

4.006

2.24

2.15

5.06

4.63

MT5Li

3.163

3.967

2.32

2.16

5.39

4.66

MT10Li

3.421

3.926

2.26

2.17

5.12

4.69

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