Gete thermal conductivity
WebJul 7, 2024 · Because of the well-known disadvantage of high lattice thermal conductivity in GeTe, this high-entropy phenomenon can be used to lower its lattice thermal … WebJun 4, 2024 · Thermal conductivity of amorphous and crystalline GeTe thin film at high temperature: Experimental and theoretical study. Thermal transport properties bear a …
Gete thermal conductivity
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WebSuch a strategy provides the thermal conductivity from the characteristic decay time. We rationalize in detail the impact on the thermal conductivity of the initial temperature difference, the equilibration duration, and the … WebSep 29, 2024 · The lattice thermal conductivity of lower than ~ 0.7 W·m −1 ·K −1 in the entire temperature range is achieved. Eventually, a peak zT of ~ 1.8 is realized in the …
WebThe slope of the film’s thermal resistance vs thickness corresponds to a thickness-independent thermal conductivity of 0.4 and 0.6 W/(m K) for a-Ge and a-Si, respectively. WebMar 30, 2024 · All four of the materials have very low lattice thermal conductivity compared to other two-dimensional materials like graphene, phosphorene, and monolayers of MoSe 2 and WSe 2, and are comparable ...
WebDec 28, 2024 · The binary compound of GeTe emerging as a potential medium-temperature thermoelectric material has drawn a great deal of attention. Here, we achieve ultralow lattice thermal conductivity and high thermoelectric performance in In and a heavy content of Cu codoped GeTe thermoelectrics. In dopants impr … WebApr 10, 2024 · The In-doped GeTe exhibits low lattice thermal conductivity at ambient temperature because of the softened phonons, while the lattice thermal conductivity of Bi-doped GeTe is significantly decreased at high temperature due to the larger atomic mass and size of Bi than that of the other two series. ... Thermal transport properties of GeTe, …
WebSep 1, 2016 · The thermal boundary resistance between the amorphous films and SiO 2 substrate is also not affected by C doping. The films were then crystallized by an …
WebJun 15, 2024 · The thermal conductivity of all alloys is lower than that of pristine GeTe. The lower κ value is simultaneously contributed by the reduction of electrical thermal conductivity κ e ( κ e = LσT , where the Lorenz factor [ L ] is calculated according to an SPB model with acoustic phonon scattering) 83 ( Figure S5 ) and lattice thermal ... jessica burgers holy crossWebDec 16, 2024 · The reversible phase change of Germanium Telluride (GeTe) is essential for developing advanced non-volatile devices. We investigate off-stoichiometric effect on the thermal and structural properties of amorphous Ge 1−δ Te (0 ≤ δ ≤ 0.12) via molecular dynamics. The structural optimization due to off-stoichiometry was taken into account ... jessica burdo-snyder mug shotWebFeb 6, 2004 · Fig. 2.Variable-temperature charge transport and thermal transport data for AgPb 10 SbTe 12: (A) Electrical conductivity (σ) and thermopower (S).(B) Total thermal conductivity (κ) in the range 6 to 700 K. (C) ZT as a function of temperature.Thermal conductivity and Seebeck coefficient were determined with a longitudinal steady-state … jessica burger