Table 4 Optical Band gap and refractive index of La1−xCaxMnO3 (x=0.1 0.2 and 0.3).

From: Tuning of the band gap and suppression of metallic phase by ca doping in La1 − xCaxMnO3 manganite nano-particles

S. No

Samples

Band Gap (eV)

Refractive Index (n)

1

La0.9Ca0.1MnO3

3.95

2.10

2

La0.8Ca0.2MnO3

3.92

2.12

3

La0.7Ca0.3MnO3

3.74

2.15

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