Operando surface characterization of InP nanowire pn junctions

SR McKibbin, J Colvin, A Troian, JV Knutsson… - Nano …, 2019 - ACS Publications
… of InP nanowires containing ap–n junction using scanning … from our KPFM image is that the
depletion region and dopant … across ap–n junction under each bias condition is illustrated by …

Three-dimensional imaging of beam-induced biasing of InP/GaInP tunnel diodes

C Cordoba, X Zeng, D Wolf, A Lubk, E Barrigón… - Nano Letters, 2019 - ACS Publications
… Secondary electron and electron beam-induced current images obtained using scanning
electrons (holes) depleting n-type (p-type) segments. This depletion region in our case might …

Direct measurement of band offsets on selective area grown In0. 53Ga0. 47As/InP heterojunction with multiple probe scanning tunneling microscopy

N Peric, C Durand, M Berthe, Y Lu, K N'konou… - Applied Physics …, 2022 - pubs.aip.org
… /InP junction at 5 K for zero bias. … depletion of free holes in the InP side of the heterojunction
leads to the formation a space charge region, which can be modeled by a tunneling junction. …

Potential mapping of growth sequence in semiconductor NW pn junctions

I Cordoba Hernandez - 2019 - summit.sfu.ca
… and 0.9 ± 0.1 V, and depletion region widths as narrow as 13 ± 1 … induced current images
obtained using scanning electron … beam-induced current biasing and poor grounding contacts. …

Electron beam induced current microscopy of silicon pn junctions in a scanning transmission electron microscope

AP Conlan, G Moldovan, L Bruas, E Monroy… - Journal of Applied …, 2021 - pubs.aip.org
… can be mapped directly and compared to high resolution images. … and welded to the electrical
biasing chip. The specimen is … the edge of the depletion region, which is best seen using a …

Assessment of Active Dopants and pn Junction Abruptness Using In Situ Biased 4D-STEM

BC da Silva, Z Sadre Momtaz, E Monroy, H Okuno… - Nano Letters, 2022 - ACS Publications
through in situ biased four-dimensional scanning transmission electron microscopy (4D-STEM).
Measurements of electric field, built-in voltage, depletion region width, … pixelated direct

Self‐powered InP nanowire photodetector for single‐photon level detection at room temperature

Y Zhu, V Raj, Z Li, HH Tan, C Jagadish… - Advanced …, 2021 - Wiley Online Library
scanning electron microscope image of the bare InP … overall low leakage current under
reverse bias also indicates the … a trade-off between depletion region width and device speed. As …

Direct mapping and characterization of the surface local field in InGaAs/InP avalanche photodetectors

…, T He, K Zhang, Y Xiao, K Deng, J Miao, N Li… - Infrared Physics & …, 2022 - Elsevier
P 2 -source diffusion process and the guard rings were directly characterized by the scanning
… the electric field in the multiplication region under small bias and it can make the electric …

Tapered InP nanowire arrays for efficient broadband high-speed single-photon detection

SJ Gibson, B van Kasteren, B Tekcan, Y Cui… - nature …, 2019 - nature.com
… A scanning electron microscope (SEM) image of an … is a result of the depletion region
extending the entire length of … measured at a reverse bias of −10 V under pulsed excitation at 76 …

Scanning probe techniques as an investigation tool for semiconductor nanostructures and devices

J Colvin - 2019 - portal.research.lu.se
… An excellent candidate is InP due to its narrow and direct band … A diode is said to be reverse
biased when the n-side is … in the depletion region, the built-in field of the depletion region