Molecular dynamics simulations report an anomalous kink in germanene's thermal conductivity versus temperature at 350 K, with T^-2 scaling below and T^-1/2 above, plus length convergence at micrometer scales.
The short-range character- istic timescale ( τ1) is typically attributed to the high- frequency (optical) phonons [42]
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Anomalous Temperature Induced Transition and Convergence of Thermal Conductivity in Germanene Monolayer
Molecular dynamics simulations report an anomalous kink in germanene's thermal conductivity versus temperature at 350 K, with T^-2 scaling below and T^-1/2 above, plus length convergence at micrometer scales.