Semiconductor spin qubits

G Burkard, TD Ladd, A Pan, JM Nichol, JR Petta - Reviews of Modern Physics, 2023 - APS
The spin degree of freedom of an electron or a nucleus is one of the most basic properties of
nature and functions as an excellent qubit, as it provides a natural two-level system that is …

Inverse design in search of materials with target functionalities

A Zunger - Nature Reviews Chemistry, 2018 - nature.com
Solid-state chemists have been consistently successful in envisioning and making new
compounds, often enlisting the tools of theoretical solid-state physics to explain some of the …

Hidden spin polarization in inversion-symmetric bulk crystals

X Zhang, Q Liu, JW Luo, AJ Freeman, A Zunger - Nature Physics, 2014 - nature.com
Spin–orbit coupling can induce spin polarization in nonmagnetic 3D crystals when the
inversion symmetry is broken, as manifested by the bulk Rashba and Dresselhaus effects …

Low disorder and high valley splitting in silicon

D Degli Esposti, LEA Stehouwer, Ö Gül… - npj Quantum …, 2024 - nature.com
The electrical characterisation of classical and quantum devices is a critical step in the
development cycle of heterogeneous material stacks for semiconductor spin qubits. In the …

SiGe quantum wells with oscillating Ge concentrations for quantum dot qubits

T McJunkin, B Harpt, Y Feng, MP Losert… - Nature …, 2022 - nature.com
Large-scale arrays of quantum-dot spin qubits in Si/SiGe quantum wells require large or
tunable energy splittings of the valley states associated with degenerate conduction band …

Practical strategies for enhancing the valley splitting in Si/SiGe quantum wells

MP Losert, MA Eriksson, R Joynt, R Rahman… - Physical Review B, 2023 - APS
Silicon/silicon-germanium heterostructures have many important advantages for hosting
spin qubits. However, controlling the valley splitting (the energy splitting between the two …

GAtor: a first-principles genetic algorithm for molecular crystal structure prediction

F Curtis, X Li, T Rose… - Journal of chemical …, 2018 - ACS Publications
We present the implementation of GAtor, a massively parallel, first-principles genetic
algorithm (GA) for molecular crystal structure prediction. GAtor is written in Python and …

JAMIP: an artificial-intelligence aided data-driven infrastructure for computational materials informatics

XG Zhao, K Zhou, B Xing, R Zhao, S Luo, T Li, Y Sun… - Science Bulletin, 2021 - Elsevier
Materials informatics has emerged as a promisingly new paradigm for accelerating materials
discovery and design. It exploits the intelligent power of machine learning methods in …

Detuning Axis Pulsed Spectroscopy of Valley-Orbital States in /- Quantum Dots

EH Chen, K Raach, A Pan, AA Kiselev, E Acuna… - Physical Review …, 2021 - APS
Silicon-quantum-dot qubits must contend with low-lying valley excited states that are
sensitive functions of the quantum-well heterostructure and disorder; quantifying and …

Electron spin resonance and spin–valley physics in a silicon double quantum dot

X Hao, R Ruskov, M Xiao, C Tahan… - Nature communications, 2014 - nature.com
Silicon quantum dots are a leading approach for solid-state quantum bits. However,
developing this technology is complicated by the multi-valley nature of silicon. Here we …