Optical properties of semiconductors under hydrostatic pressure—I. Germanium

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Abstract

The room-temperature absorption spectrum of high-purity single-crystal germanium has been measured between absorption coefficients of 1 and 100 at hydrostatic pressures up to 7000 kgcm2. The results have been interpreted to give a pressure coefficient for the optical energy gap in satisfactory agreement with the more precise value determined from measurement of the intrinsic resistivity as a function of pressure.

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The research in this document was supported jointly by the O.N.R. under contract with Harvard University and by the Army, Navy and Air Force under contract with the Massachusetts Institute of Technology.

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