Nb/Ni 2×2 · GELB spheres
Ni Ø200nm·h=40nm·pitch=400nm
Nb 65nm conformal surface
GELB sphere centred at dot centre
SC volume (outside spheres, in Nb)
drag=orbit · right-drag=pan · scroll=zoom
rGELB 300 nm Speed 0.01× r_diag=283nm · r_axial=200nm · AH: R/R_N=[I₀(γ/2)]⁻²