Silicon quantum electronics

FA Zwanenburg, AS Dzurak, A Morello… - Reviews of modern …, 2013‏ - APS
This review describes recent groundbreaking results in Si, Si/SiGe, and dopant-based
quantum dots, and it highlights the remarkable advances in Si-based quantum physics that …

A single-atom transistor

M Fuechsle, JA Miwa, S Mahapatra, H Ryu… - Nature …, 2012‏ - nature.com
The ability to control matter at the atomic scale and build devices with atomic precision is
central to nanotechnology. The scanning tunnelling microscope can manipulate individual …

Atomically engineered electron spin lifetimes of 30 s in silicon

TF Watson, B Weber, YL Hsueh, LCL Hollenberg… - Science …, 2017‏ - science.org
Scaling up to large arrays of donor-based spin qubits for quantum computation will require
the ability to perform high-fidelity readout of multiple individual spin qubits. Recent …

Multi‐Scale Modeling of Tunneling in Nanoscale Atomically Precise Si: P Tunnel Junctions

MB Donnelly, MM Munia, JG Keizer… - Advanced Functional …, 2023‏ - Wiley Online Library
Controlling electron tunneling is of fundamental importance in the design and operation of
semiconductor nanostructures such as field effect transistors (FETs) and quantum computing …

Electrostatic landscape of a hydrogen-terminated silicon surface probed by a moveable quantum dot

TR Huff, T Dienel, M Rashidi, R Achal, L Livadaru… - ACS …, 2019‏ - ACS Publications
With nanoelectronics reaching the limit of atom-sized devices, it has become critical to
examine how irregularities in the local environment can affect device functionality. Here, we …

Highly tunable exchange in donor qubits in silicon

Y Wang, A Tankasala, LCL Hollenberg… - npj Quantum …, 2016‏ - nature.com
In this article we have investigated the electrical control of the exchange coupling (J)
between donor-bound electrons in silicon with a detuning gate bias, crucial for the …

Spin-lattice relaxation times of single donors and donor clusters in silicon

YL Hsueh, H Büch, Y Tan, Y Wang, LCL Hollenberg… - Physical review …, 2014‏ - APS
An atomistic method of calculating the spin-lattice relaxation times (T 1) is presented for
donors in silicon nanostructures comprising of millions of atoms. The method takes into …

An exchange-coupled donor molecule in silicon

MF González-Zalba, A Saraiva, MJ Calderón… - Nano …, 2014‏ - ACS Publications
We present a combined experimental–theoretical demonstration of the energy spectrum and
exchange coupling of an isolated donor pair in a silicon nanotransistor. The molecular …

Two-electron states of a group-V donor in silicon from atomistic full configuration interactions

A Tankasala, J Salfi, J Bocquel, B Voisin, M Usman… - Physical Review B, 2018‏ - APS
Two-electron states bound to donors in silicon are important for both two-qubit gates and
spin readout. We present a full configuration interaction technique in the atomistic tight …

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 …