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Accurate measurements of the junction-to-case thermal resistances power devices or module packages are necessary for validating design package as well entire converter system. Although accurate can be obtained Si and SiC by JESD51-14 standard, no standard has been established gallium nitride (GaN) packages. A main reason this shortcoming is lack techniques measuring device's junction temperatur...

Heat conduction of single-walled carbon nanotubes (SWNTs) isotope-superlattice is investigated by means of classical molecular dynamics simulations. Superlattice structures were formed by alternately connecting SWNTs with different masses. On varying the superlattice period, the critical value with minimum effective thermal conductivity was identified, where dominant physics switches from zone-...

Despite the intense efforts of the last decades to understand the thermal stability of proteins, the mechanisms responsible for its modulation still remain debated. In this investigation, we tackle this issue by showing how a multiscale perspective can yield new insights. With the help of temperature-dependent statistical potentials, we analysed some amino acid interactions at the molecular lev...

In this paper, the superposition method is used to investigate the complete temperature field of a lightemitting diode (LED) packaging substrate, based on the results of transient temperature rise measurements and the thermal resistance coupling matrix. The feasibility of use of the superposition method in an LED array with multiple packages has been proved first by temperature comparisons with...

The nanocomposites containing nanosized microstructure have extensively motivated researchers to investigate the mechanical properties of such composites. Metal/ceramics nanocomposites, which are composed of low-melting-point metal and high-melting-point ceramics, can provide desirable mechanical properties including high specific stiffness, high plastic flow strength, creep resistance, good ox...

Abstract Freeze lining is a solidified layer of slag formed on the inner side water-cooled pyrometallurgical reactor, which protects reactor walls from thermal, physical, and chemical attacks. Because freeze lining's high thermal resistance, heat losses strongly depend thickness. In batch process such as fuming, conditions change with time, affecting Determining thickness challenging it cannot ...

We report the thermal conductance G of Au/Ti/graphene/SiO(2) interfaces (graphene layers 1 ≤ n ≤ 10) typical of graphene transistor contacts. We find G ≈ 25 MW m(-2) K(-1) at room temperature, four times smaller than the thermal conductance of a Au/Ti/SiO(2) interface, even when n = 1. We attribute this reduction to the thermal resistance of Au/Ti/graphene and graphene/SiO(2) interfaces acting ...