Hysteretic capacitance-voltage characteristics of self-assembled quantum dots far from equilibrium with their environment

Rolled-up nanomembrane electrodes are used to prepare optically transparent [Formula: see text] Schottky diodes suitable for deep level transient photocapacitance spectroscopy. It is demonstrated that both the binding energy and the capture cross section of the oxygen vacancy can be extracted from the photocapacitance transients using a rate equation model. The values are consistent with those obtained from conventional deep level transient spectroscopy, taken from the same sample. Furthermore, information about the capture process can be extracted.

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Transient photocapacitance spectroscopy on Au/TiO2 Schottky diodes with rolled-up nanomembrane electrodes

Berg

Schnorr

Merces

et al. 2023

Journal of Applied Physics

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Electron capture dynamics into self-assembled quantum dots far from equilibrium with their environment

Berg,

Schnorr,

Wilkens

et al. 2024

Phys. Rev. B

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Hysteretic capacitance-voltage characteristics of self-assembled quantum dots far from equilibrium with their environment

Cited by 2 publications

References 50 publications

Transient photocapacitance spectroscopy on Au/TiO2 Schottky diodes with rolled-up nanomembrane electrodes

Transient photocapacitance spectroscopy on Au/TiO2 Schottky diodes with rolled-up nanomembrane electrodes

Electron capture dynamics into self-assembled quantum dots far from equilibrium with their environment

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