WebSep 1, 2024 · Manipulation of thermal transport properties by defect engineering is an important but yet unresolved issue in thermoelectrics, since rational design strategies of multiple defect structures for minimizing lattice thermal conductivity are lacking. The key is to comprehend complex interaction between different frequency-dependent phonon … WebDownload scientific diagram Cumulative thermal conductivity as a function of phonon mean free path at T=300 K along the zigzag and armchair directions. from publication: Highly Anistoropic ...
The importance of localized modes spectral contribution to thermal ...
WebMay 3, 2024 · Here we report an unprecedented large contribution, 47% overall, from the low-frequency optical phonons to the in-plane thermal conductivity in 2H molybdenum disulfide, revealed by low-wave-number high-pressure Raman technology assisted with first-principles calculations. WebJan 4, 2024 · Here, we use ab initio calculations that explicitly account for strong anharmonicity and a computationally efficient stochastic phase-space sampling scheme to identify the origin of this low thermal conductivity as an anomalously large anharmonic interaction, exceeding in strength that in PbTe, between the transverse optic and … how to repot christmas cactus plant
Cumulative defect structures for experimentally attainable low thermal …
WebApr 1, 2024 · The intrinsic lattice thermal conductivity (κ) of monolayer h-AlN with the temperature ranging from 200 to 800 K shown in Fig. 3 (a) is calculated by solving the phonon BTE with the iterative method.The κ of h-AlN is obtained as 73.43 W/mK at 300 K. Compared with other monolayer III-V compounds as shown in Table 1, the thermal … WebApr 12, 2024 · Thermal conductivity. Many correlations have been proposed for MOX fuel concluded from the fresh or irradiation fuel data. A wide set of factors like fuel temperature, burnup, plutonium content, stoichiometry, and porosity have effects on the MOX fuel thermal conductivity. ... Cumulative damage function. Fuel rod failure time is a critical ... WebApr 12, 2024 · By the research on microcosmic structure, thermal conductivity, chemical composition of the carbon bricks, it was concluded that the high portion of large size pore leaded to poor properties of resistance to Zn permeation. ... Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ... north canton hoover stadium