Air-Stable Subsurface Two-Dimensional Hole Gas with Strong Spin-Orbit Interaction in Single Layer Pt on Ge. - Wang D; Pierron T; Barre E; Pons S; Roditchev D; D'angelo M; Debontridder F; Hervé M; Cren T; Menil C; Fauqué B; Bergeal N; et al. (Nano letters, 2026)