The Paradigm Shift
As silicon-based CMOS reaches the physical limits of Moore's Law, the industry is pivoting toward ballistic transport—a state where charge carriers travel through a conductor without scattering. This marks the transition from drift-diffusion regimes to quantum-mechanical ballistic regimes.
Underlying Architecture
The architecture relies on 2D heterostructure synthesis using van der Waals integration. By stacking transition metal dichalcogenides (TMDs) with hexagonal boron nitride (hBN), engineers create ultra-low-resistance contacts that minimize the Schottky barrier. This allows electrons to move unimpeded across the channel, effectively eliminating Joule heating at the interconnect level.
Why It Matters
Unlike traditional copper interconnects that suffer from increased resistivity at the sub-5nm node, atomic-scale 2D materials maintain conductivity through quantum tunneling and ballistic flow. This offers a 10x reduction in power dissipation, which is the primary bottleneck for next-generation AI accelerators.
- Thermal Efficiency: Near-zero heat generation at the interconnect level.
- Quantum Scaling: Enables sub-1nm gate lengths without quantum tunneling leakage.
- Structural Density: Vertical stacking allows for 3D integrated circuit topologies.