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Gershenzon, E. M., Gol'tsman, G. N., & Mel'nikov, A. P. (1971). Binding energy of a carrier with a neutral impurity atom in germanium and in silicon. JETP Lett., 14(5), 185–186.
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Gershenzon, E. M., & Gol'tsman, G. N. (1971). Transitions of electrons between excited states of donors in germanium. JETP Lett., 14(2), 63–65.
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Gershenzon, E. M., Gol'tsman, G. N., Emtsev, V. V., Mashovets, T. V., Ptitsyna, N. G., & Ryvkin, S. M. (1971). Role of impurities of groups III and V in the formation of defects following γ irradiation of germanium. JETP Lett., 14(6), 241.
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Ryabchun, S. A., Tretyakov, I. V., Finkel, M. I., Maslennikov, S. N., Kaurova, N. S., Seleznev, V. A., et al. (2009). NbN phonon-cooled hot-electron bolometer mixer with additional diffusion cooling. In Proc. 20th Int. Symp. Space Terahertz Technol. (pp. 151–154). Charlottesville, USA.
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Finkel, M. I., Maslennikov, S. N., Vachtomin, Y. B., Svechnikov, S. I., Smirnov, K. V., Seleznev, V. A., et al. (2005). Hot electron bolometer mixer for 20 – 40 THz frequency range. In Proc. 16th Int. Symp. Space Terahertz Technol. (pp. 393–397). Göteborg, Sweden.
Abstract: The developed HEB mixer was based on a 5 nm thick NbN film deposited on a GaAs substrate. The active area of the film was patterned as a 30×20 μm 2 strip and coupled with a 50 Ohm coplanar line deposited in situ. An extended hemispherical germanium lens was used to focus the LO radiation on the mixer. The responsivity of the mixer was measured in a direct detection mode in the 25÷64 THz frequency range. The noise performance of the mixer and the directivity of the receiver were investigated in a heterodyne mode. A 10.6 μm wavelength CW CO 2 laser was utilized as a local oscillator.
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