Improvement of spatial resolution for local Seebeck coefficient measurements by deconvolution algorithm.
作者： E. Mueller , K. H. Wu , C. I. Hung , P. Ziolkowski , D. Platzek
DOI: 10.1063/1.3246815
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摘要: A potential Seebeck microprobe apparatus is described such that a profile of coefficients can be detected on material sample surface for thermopower investigations. Due to its spatially resolved limit detecting small inhomogeneities dopants or composition changes, we here propose constructive combination numerical modeling and practical measurement improve the spatial resolution by deconvolution algorithm. The relevant transfer function, obtained from calculations, was successfully applied real data. Besides, an improvement in 1.5 μm inhomogeneity has been achieved applying one function known tip setup set line scan signals, with 6 μm tip-sample contact length, 3 μs signal capture time after contact, 0.75 μm period. result showed system theoretical approach terms algorithm could theoretically enhance anyway, but practically limited ...
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