Abstract:SUMMARYAn inverse nanoscale phonon radiative transfer problem is solved in this study by using conjugate gradient method (CGM) to estimate the unknown frequency-and temperature-dependent relaxation time, based on the simulated phonon intensity measurements. The CGM in dealing with the present integro-differential governing equations is not as straightforward as for the normal differential equations; special treatments are needed to overcome the difficulties. Results obtained in this inverse analysis will be ju… Show more
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