. "Figure 12(b) shows the inject polarized spin from one FM contact; other FM contact is analyzer, and modulates current by modifying spin precession via Rashba effect, Asymmetry-spin-orbit interact.Figure 12: (a) Magnetic radom access memory (IBM), (b) spin transistor.Finding a replacement for flash technology, which is used in cell phones, memory cards in digital cameras, and other devices, is an u" . . . .