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Using the first-principles calculations, we investigate the geometric structure, electronic and magnetic properties of armchair silicene nanoribbons (ASiNRs) doped with aluminum (Al) or phosphorus (P) atoms. Total energy analysis shows that both Al and P atoms are preferentially doping at the edge site of ASiNRs. And the magnetism can be found in both Al and P doped systems. For Al doped ASiNRs, we...
The acoustic phonon transport and thermal conductance in a three-dimensional asymmetric quantum structure at low temperatures are studied. The results show that the acoustic phonon modes display the selective transmission behavior, namely the phonon modes with different index could transport into different channels selectively. Non-integer quantized thermal conductance behavior could be observed in...
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