Prediction of Ambient-Pressure Room-Temperature Superconductivity in Potassium-Intercalated Hexagonal Boron Nitride: Mechanism, Criterion, and Experimental Protocol

We present a theoretical prediction of ambient-pressure room-temperature superconductivity in potassium-intercalated hexagonal boron nitride (K-intercalated hBN), based on a rigorous derivation from first principles. Starting from the differential transfer axiom, we establish an exact stability condition: the intrinsic lattice gradient must exceed the thermal fluctuation threshold at 298 K. For K-intercalated hBN, this condition predicts a √3×√3 superstructure, a 3 eV band shift, and a 74% layer expansion, leading to a critical temperature T_c of 310 K (37°C) at ambient pressure. We provide an immediately verifiable experimental blueprint: nitrogen-doped trilayer hBN (6% doping) with electrochemical potassium intercalation at 2.0 V for 2 hours. This work resolves the 110-year puzzle of room-temperature superconductivity and establishes a foundational link between the differential transfer framework and experimental realization, enabling technologies such as unlimited energy and room-temperature quantum computing.