crosshatch patterns 1lattice defects 1quantum dot qubits 1silicon-germanium heterostructures 1strain mapping 1
From the 1 of 3 linked papers with an AI index.
3 papers
cond-mat.mes-hall2026
Depth-Resolved Lattice Distortions in a Silicon-Germanium Qubit Host
Jonathan C. Marcks, E. S. Joseph, J. Reily +6
The authors use X‑ray nano‑structural mapping to resolve lattice distortions and strain in a Si/SiGe chip used for quantum dot qubits, revealing how growth‑induced defects propagat…
cond-mat.mes-hall2026
Valley Splitting Correlations Across a Silicon Quantum Well Containing Germanium
Jonathan C. Marcks, Emily Eagen, Emma C. Brann +12
Quantum dots in SiGe/Si/SiGe heterostructures host coherent electron spin qubits, which are promising for future quantum computers. The silicon quantum well hosts near-degenerate e…
cond-mat.mes-hall2025
Reducing strain fluctuations in quantum dot devices by gate-layer stacking
Collin C. D. Frink, Talise Oh, E. S. Joseph +5
Nanofabricated metal gate electrodes are commonly used to confine and control electrons in electrostatically defined quantum dots. However, these same gates impart strain-induced p…