Three-Dimensional Coupled Topological Engineering Model of Diamond-Graphene Superlattices: A Roadmap for Superconductivity Regulation from Liquid Nitrogen to Room Temperature
This report addresses the diamond-graphene van der Waals superlattice system by constructing a three-dimensional coupled network model integrating lattice topology, electron transport, and phonon modulation. It proposes a topological engineering roadmap for regulating superconductivity from the liquid nitrogen temperature range (77 K) to room temperature (300 K). Based on the principle of coupled degree-of-freedom matching in the superlattice's three-dimensional network, the model achieves critical regulation of tri-network coupling strength through precise lattice topology modification of diamond-graphene heterojunctions, thereby breaking through the temperature limits of traditional superconducting systems. The model predicts that when the three-dimensional network reaches a critical coupling threshold, the system will exhibit a non-gradual topological phase transition, with superconducting performance leapfrogging from "none (0%)" to the "ideal state (100%)" without intermediate transitions. This roadmap clarifies stage-by-stage topological engineering regulation methods, characterization approaches, and performance validation standards, providing a practical theoretical framework for the experimental preparation and performance regulation of room-temperature superconducting diamond-graphene superlattice materials. The system combines the structural stability of diamond with the high charge carrier mobility of graphene, making it a potentially preferred candidate for room-temperature superconducting materials.
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