Advances in ultrashallow doping of silicon

C Zhang, S Chang, Y Dan - Advances in Physics: X, 2021 - Taylor & Francis
Ultrashallow doping is required for both classical field-effect transistors in integrated circuits
and revolutionary quantum devices in quantum computing. In this review, we give a brief …

Nondestructive imaging of atomically thin nanostructures buried in silicon

G Gramse, A Kölker, T Lim, TJZ Stock, H Solanki… - Science …, 2017 - science.org
It is now possible to create atomically thin regions of dopant atoms in silicon patterned with
lateral dimensions ranging from the atomic scale (angstroms) to micrometers. These …

Spatial metrology of dopants in silicon with exact lattice site precision

M Usman, J Bocquel, J Salfi, B Voisin… - Nature …, 2016 - nature.com
Scaling of Si-based nanoelectronics has reached the regime where device function is
affected not only by the presence of individual dopants, but also by their positions in the …

Suppressing segregation in highly phosphorus doped silicon monolayers

JG Keizer, S Koelling, PM Koenraad, MY Simmons - ACS nano, 2015 - ACS Publications
Sharply defined dopant profiles and low resistivity are highly desired qualities in the
microelectronic industry, and more recently, in the development of an all epitaxial Si: P …

High resolution thickness measurements of ultrathin Si: P monolayers using weak localization

JA Hagmann, X Wang, P Namboodiri, J Wyrick… - Applied Physics …, 2018 - pubs.aip.org
The key building blocks for the fabrication of devices based on the deterministic placement
of dopants in silicon using scanning tunneling microscopy (STM) hydrogen lithography are …

Quantifying atom-scale dopant movement and electrical activation in Si: P monolayers

X Wang, JA Hagmann, P Namboodiri, J Wyrick, K Li… - Nanoscale, 2018 - pubs.rsc.org
Advanced hydrogen lithography techniques and low-temperature epitaxial overgrowth
enable the patterning of highly phosphorus-doped silicon (Si: P) monolayers (ML) with …

Characterizing Si: P quantum dot qubits with spin resonance techniques

Y Wang, CY Chen, G Klimeck, MY Simmons… - Scientific reports, 2016 - nature.com
Quantum dots patterned by atomically precise placement of phosphorus donors in single
crystal silicon have long spin lifetimes, advantages in addressability, large exchange …

Si epitaxy on Cl-Si (100)

A Farzaneh, RE Butera - Applied Surface Science, 2022 - Elsevier
Current atomically-precise fabrication methods in Si utilize a scanning tunneling microscope
(STM) to pattern a monatomic resist adsorbed on Si (100). Recent interest in the use of Cl …

Uncovering anisotropic effects of electric high-moment dipoles on the tunneling current in -layer tunnel junctions

JP Mendez, D Mamaluy - Scientific Reports, 2023 - nature.com
The precise positioning of dopants in semiconductors using scanning tunneling
microscopes has led to the development of planar dopant-based devices, also known as δ …

Probing the quantum states of a single atom transistor at microwave frequencies

GC Tettamanzi, SJ Hile, MG House, M Fuechsle… - ACS …, 2017 - ACS Publications
The ability to apply gigahertz frequencies to control the quantum state of a single P atom is
an essential requirement for the fast gate pulsing needed for qubit control in donor-based …