Breaking the doping limit in silicon by deep impurities

M Wang, A Debernardi, Y Berencén, R Heller, C Xu… - Physical Review …, 2019 - APS
n-type doping in Si by shallow impurities, such as P, As, and Sb, exhibits an intrinsic limit
due to the Fermi-level pinning via defect complexes at high doping concentrations. Here, we …

[HTML][HTML] Evidence for vacancy trapping in Au-hyperdoped Si following pulsed laser melting

W Yang, N Ferdous, PJ Simpson, JM Gaudet… - APL Materials, 2019 - pubs.aip.org
Nanosecond pulsed laser melting can be used to rapidly recrystallize ion-implanted Si
through liquid phase epitaxy. The rapid resolidification that follows the melting results in a …

[HTML][HTML] Nanobeam electron diffraction strain mapping in monocrystalline silicon of modern trench power MOSFETs

S Karner, O Blank, M Rösch, J Zalesak, J Keckes… - Microelectronic …, 2022 - Elsevier
Despite a decisive influence of residual strains in Si on its electronic properties and
mechanical stability, strain distributions in vertical power transistors are still not fully …

Low temperature deactivation of Ge heavily n-type doped by ion implantation and laser thermal annealing

R Milazzo, G Impellizzeri, D Piccinotti… - Applied Physics …, 2017 - pubs.aip.org
Heavy doping of Ge is crucial for several advanced micro-and optoelectronic applications,
but, at the same time, it still remains extremely challenging. Ge heavily n-type doped at a …

Phase evolution of Te-hyperdoped Si upon furnace annealing

MS Shaikh, M Wang, R Hübner, MO Liedke… - Applied Surface …, 2021 - Elsevier
Si hyperdoped with chalcogens via ion implantation and pulsed laser melting is known to
exhibit strong room-temperature sub-bandgap photoresponse. As a thermodynamically …

[HTML][HTML] Tunable magneto-transport properties in ultra-high Bi-doped Si prepared by liquid phase epitaxy

M Wang, H Liu, MS Shaikh, R Heller, U Kentsch… - Applied Surface …, 2024 - Elsevier
During the past decades, excavating the novel functional materials towards CMOS-
compatible spin-transport devices has been treated as one of the most urgent tasks to …

Impurity and defect interactions during laser thermal annealing in Ge

R Milazzo, G Impellizzeri, D Piccinotti… - Journal of Applied …, 2016 - pubs.aip.org
The microscopic mechanisms involving dopants, contaminants, and defects in Ge during
pulsed melting laser thermal annealing (LTA) are investigated in detail. Samples both un …

Stress effects on impurity solubility in crystalline materials: A general model and density-functional calculations for dopants in silicon

C Ahn, N Bennett, ST Dunham, NEB Cowern - Physical Review B …, 2009 - APS
We present a general theory of stress effects on the solid solubility of impurities in crystalline
materials, including the effects of ionization and the Fermi level in semiconductors. Critical …

Low-Temperature Selective Si: As Epitaxy

D Abdula, YJ Chiu, B Marozas, R Khazaka… - ECS …, 2024 - iopscience.iop.org
As for selective LT-SiAs. Secondary-ion mass spectroscopy (SIMS) profiles of P and As
diffusion into intrinsic Si (i-Si) for LT-SiP/LT-SiAs/i-Si and LT-SiP/i-Si stacks show> 2× benefit …

Two-dimensional quantitative mapping of arsenic in nanometer-scale silicon devices using STEM EELS–EDX spectroscopy

G Servanton, R Pantel, M Juhel, F Bertin - Micron, 2009 - Elsevier
Field emission gun (FEG) nanoprobe scanning electron transmission microscopy (STEM)
techniques coupled with energy dispersive X-ray (EDX) and electron energy loss …