Table 1 Details of the simulation parameters.15

From: Physics inspired compact modelling of \(\hbox {BiFeO}_3\) based memristors

Physical quantity

Symbol

Value

Temperature (K)

T

298

Phonon frequency (Hz)

\(\nu _{0}\)

\(1 \times 10^{12}\)

Lattice constant (m)

d

\(0.56 \times 10^{-9}\)

Device area (\(\mathrm {mm}^{2}\))

\(A_\mathrm{d}\)

0.04

Relative permittivity of \(\mathrm {BiFeO}_{3}\)

\(\varepsilon _{r}\)

52.0

Conductivity of \(\mathrm {BiFeO}_{3}\) (\(\Omega \mathrm{m}\))

\(\sigma\)

\(7.0 \times 10^{-4}\)

Length of BFO (m)

\(l_\mathrm{BFO}\)

\(600 \times 10^{-9}\)

Defect density (\(\mathrm{cm^{-3}}\))

\(\rho\)

\(2\times 10^{16}\)

Top Schottky barrier height (eV)

\(\Phi ^\mathrm{t}_\mathrm{0}\)

0.8

Top Schottky barrier ideality factor

\(n_{0}^\mathrm{t}\)

4.2

Bottom Schottky barrier height (eV)

\(\Phi ^\mathrm{b}_\mathrm{0}\)

0.85

Bottom Schottky barrier ideality factor

\(n_{0}^\mathrm{b}\)

4.5