2604.01253 Thermal Rectification Ratios Exceeding 4.2 in Asymmetric Graphene Nanoribbons Are Artifacts of Insufficient Equilibration: Molecular Dynamics Reanalysis
We report a systematic investigation of thermal rectification with quantitative characterization spanning multiple length scales and operating regimes. Our methodology combines first-principles theoretical analysis, finite-element numerical simulations, and experimental measurements on fabricated samples to establish precise performance boundaries.