3 papers
physics.app-ph2026
Sharp periodic Ge concentration modulations beyond the conduction band valley wavevector in nuclear spin-free Si quantum wells
Ivo Rahlff, Carsten Richter, Martin Schmidbauer +13
Periodic Ge modulations within strained Si quantum wells in SiGe heterostructures offer a route to deterministically enhance conduction-band valley splitting in Si, a key requireme…
physics.app-ph2026
Epitaxy of strained, nuclear-spin free Ge quantum wells from solid source materials
Maximilian Oezkent, Chen-Hsun Lu, Lucas Becker +13
Germanium quantum well heterostructures have rapidly emerged as a leading platform for solid-state quantum information processing; however, material quality limits scalability, and…
cond-mat.mtrl-sci2025
GeSi single crystals for Ge hole spin qubit integration
Andreas Fuhrberg, Pia M. Düring, Olena Fedchenko +9
Spin qubits are fundamental building blocks of modern quantum computing devices. The path of Ge-based hole-spin qubits has several advantages over Si-based electron-spin systems, s…