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Intermetallic compound (IMC) formed in the interfacial reaction may exert much influence on the reliability of soldering joint. So, effective prediction of IMC formation at soldering joint may do help to optimize the packaging process. Recently, a semi-empirical criterion has been proposed in our group to predict the formation of intermetallic compounds (IMC) at the interface between different pure...
As many thermoelectrics are in polycrystalline form with grain size down to nanometer scale, the size and boundary effect play important roles in their physical properties. In the paper we develop an approach to simulate the electronic and thermo-electric property of polycrystalline. In the first step, the polycrystalline texture is created from phase field method in a two dimension scale for simplicity...
A theoretical model is proposed in this work for an evaluation of the specific heat and Debye temperature of thin-film semiconductors. In the model, the specific heat contributed by the confined acoustic phonons is calculated first. An effective Debye temperature is then defined by fitting the conventional Debye model to the calculated specific heat. It is found that the so-defined Debye temperatures...
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