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Energetic, structural and electronic features of Sn-, Ga-, O-based defect complexes in cubic In2O3
Alexandr I. Cocemasov, Vladimir I. Brinzari, Denis L. Nika
Defect energy formation, lattice distortions and electronic structure of cubic In2O3 with Sn, Ga and O impurities were theoretically investigated using density functional theory. D…
Thermal transport in semiconductor nanostructures, graphene and related two-dimensional materials
Alexandr I. Cocemasov, Calina I. Isacova, Denis L. Nika
We review experimental and theoretical results on thermal transport in semiconductor nanostructures (multilayer thin films, core/shell and segmented nanowires), single- and few-lay…
Ultra-low Thermal Conductivity of Nanogranular Indium Tin Oxide Films Deposited by Spray Pyrolysis
Vladimir I. Brinzari, Alexandr I. Cocemasov, Denis L. Nika +1
The authors have shown that nanogranular indium tin oxide (ITO) films, deposited by spray pyrolysis on silicon substrate, demonstrate ultralow thermal conductivity ~ 0.84 +/-0.12 W…
Direct Observation of Acoustic Phonon Confinement in Free-Standing Semiconductor Nanowires
Fariborz Kargar, Bishwajit Debnath, Kakko Joona-Pekko +5
Similar to electron waves, the phonon states in semiconductors can undergo changes induced by external boundaries. Modification of acoustic phonon spectrum in structures with perio…
Breakdown Current Density in BN-Capped Quasi-1D TaSe3 Metallic Nanowires: Prospects of Interconnect Applications
Maxim A. Stolyarov, Guanxiong Liu, Matthew A. Bloodgood +7
We report results of investigation of the current-carrying capacity of nanowires made from the quasi-1D van der Waals metal tantalum triselenide capped with quasi-2D boron nitride.…
Thermal Conductivity of Suspended Graphene with Defects
Hoda Malekpour, Pankaj Ramnani, Srilok Srinivasan +5
We investigate the thermal conductivity of suspended graphene as a function of the density of defects, ND, introduced in a controllable way. Graphene layers are synthesized using c…