Table 6 The DC activation energy (Ea(dc)), the DC conductivity (σdc) at room temperature (RT) and the dielectric constant (ɛʹ) at 1 khz and at RT for all samples.

From: TiO2-doped borate glass and glass-ceramic: properties and prospects for biological and electrical applications

Samples Code

Glasses

Glass ceramics

BG0

BG1

BG2

BG4

BGC0

BGC1

BGC2

BGC4

Ea(dc)(eV)

0.728

0.12

0.065

0.053

0.462

0.107

0.035

0.037

σdc, (S/cm)

9.82 × 10− 9

2.60 × 10− 7

8.62 × 10− 7

2.86 × 10− 6

2.04 × 10− 10

7.10 × 10− 8

6.05 × 10− 7

6.64 × 10− 7

ɛʹ, 1 kHz

42.17

204.31

304.31

393.28

94.95

308.55

454.58

477.21

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