Origin of anisotropy and compositional dependence of phonon and electron transport in ZnO based natural superlattices and role of atomic layer interfaces
Sign Up to like & getrecommendations! Published in 2019 at "Nano Energy"
DOI: 10.1016/j.nanoen.2019.03.007
Abstract: Abstract Reaction of ZnO with trivalent ions can form natural superlattice (SL) compounds, which possess unusual structural characteristics and strong anisotropic physical transport properties. In this work, by synthesizing strongly textured bulk polycrystals of pure… read more here.
Keywords: layer interfaces; zno; transport; atomic layer ... See more keywords
The phonon and electron heat capacities of cuprate superconductors
Sign Up to like & getrecommendations! Published in 2018 at "Physica C: Superconductivity and its Applications"
DOI: 10.1016/j.physc.2018.05.010
Abstract: Abstract Expressions for renormalized phonon density of states (RPDOS), renormalized electron density of states (REDOS), phonon heat capacity (PHC) and electronic heat capacity (EHC) have been derived based on quantum dynamical many body double time… read more here.
Keywords: phonon electron; capacities cuprate; heat capacities; cuprate superconductors ... See more keywords
Interface-phonon–electron interaction potentials and dispersion relations in III-nitride-based structures
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Physics"
DOI: 10.1063/1.5086306
Abstract: In dimensionally confined multilayer heterostructures, phonons that are joint modes of the materials composed of these heterostructures are known to exist over specific frequency ranges. These modes, known as interface phonons, can exhibit phonon-electron interactions… read more here.
Keywords: iii nitride; joint modes; dispersion relations; phonon electron ... See more keywords
High thermoelectric performance realized through manipulating layered phonon-electron decoupling
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DOI: 10.1126/science.abn8997
Abstract: Thermoelectric materials allow for direct conversion between heat and electricity, offering the potential for power generation. The average dimensionless figure of merit ZTave determines device efficiency. N-type tin selenide crystals exhibit outstanding three-dimensional charge and… read more here.
Keywords: tin selenide; high thermoelectric; electron decoupling; phonon electron ... See more keywords