Temperature dependence of the energy gap of InSb using nonlinear optical techniques

CL Littler, DG Seiler - Applied Physics Letters, 1985 - pubs.aip.org
We report the first use of the resonant two‐photon photo‐Hall effect as a nonlinear optical
technique to measure the temperature dependence of the energy gap of InSb. Values of E g
for the temperature range 2–210 K are determined and compared with theoretical
predictions and past experimental work. The technique is shown to provide an accurate,
straightforward means of measuring E g as a function of temperature in semiconductor
materials.
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