Double surface effect causes a peak in band-edge photocurrent spectra: A quantitative model
Y Turkulets, T Bick, I Shalish - Journal of Physics D: Applied …, 2016 - iopscience.iop.org
Band-edge photocurrent spectra are typically observed in either of two shapes: a peak or a
step. In this study, we show that the photocurrent band-edge response of a GaN layer forms
a peak, while the same response in GaN nanowires takes the form of a step, and both are
red-shifted to the actual band-edge energy. This apparent inconsistency is not limited to
GaN. The physics of this phenomenon has been unclear. To understand the physics behind
these observations, we propose a model that explains the apparent discrepancy as resulting …
step. In this study, we show that the photocurrent band-edge response of a GaN layer forms
a peak, while the same response in GaN nanowires takes the form of a step, and both are
red-shifted to the actual band-edge energy. This apparent inconsistency is not limited to
GaN. The physics of this phenomenon has been unclear. To understand the physics behind
these observations, we propose a model that explains the apparent discrepancy as resulting …
Surface effect that causes a peak in band-edge photocurrent spectra: a quantitative model
Y Turkulets, T Bick, I Shalish - arXiv preprint arXiv:1606.01657, 2016 - arxiv.org
Band edge photocurrent spectra are typically observed in either of two shapes: a peak or a
step. In this study, we show that the photocurrent band edge response of a GaN layer forms
a peak, while the same response in GaN nanowires takes the form of a step, both are red-
shifted to the actual band edge energy. Although this apparent inconsistency is not limited to
GaN, the physics of this phenomenon has been unclear. To understand the physics behind
these observations, we propose a model explaining the apparent discrepancy as resulting …
step. In this study, we show that the photocurrent band edge response of a GaN layer forms
a peak, while the same response in GaN nanowires takes the form of a step, both are red-
shifted to the actual band edge energy. Although this apparent inconsistency is not limited to
GaN, the physics of this phenomenon has been unclear. To understand the physics behind
these observations, we propose a model explaining the apparent discrepancy as resulting …
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