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Abstract: The conductivity of hybrid microstructures with superconducting contacts made of niobium nitride to a semiconductor with a two-dimensional electron gas in a AlGaAs/GaAs heterostructure has been investigated. Distinctive features of the behavior of the conductivity indicate the presence of multiple Andreev reflection at scattering centers in the normal region near the superconductor-semiconductor boundary.
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Galin, I., Schnitzer, C. A., Dengler, R. J., & Quintero, O. (1999). 177–207 GHz radiometer front end, single–side–band measurements. In Proc. 10th Int. Symp. Space Terahertz Technol. (70). Charlottesville, Virginia, USA.
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Marazita, Seven M., Kai Hui, Hesler, J. L., Bishop, W. L., & Crowe, T. W. (1999). Progress in submillimeter wavelength integrated mixer technology. In Proc. 10th Int. Symp. Space Terahertz Technol. (74). Charlottesville, Virginia.
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Hesler, J. L., Hui, K., & Crowe, T. W. (1999). A fixed–tuned 400 GHz subharmonic mixer using planar Schottky diods. In Proc. 10th Int. Symp. Space Terahertz Technol. (95). Charlottesville, Virginia, USA.
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Merkel, H., Khosropanah, P., Yagubov, P., & Kollberg, E. (1999). A hot spot mixer model for superconducting phonone–cooled HEB far above the quasipartical band gap. In Proc. 10th Int. Symp. Space Terahertz Technol. (pp. 592–606). Charlottesville, Virginia.
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