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Gershenzon, E. M.; Gol'tsman, G. N.; Kagane, M. L. |
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Title |
Observation of free carrier resonances in p-type germanium at submillimeter wavelengths |
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1978 |
Publication |
Sov. Phys. Solid State |
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Sov. Phys. Solid State |
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20 |
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4 |
Pages |
573-579 |
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Keywords |
p-Ge, free carriers, resonances |
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Abstract |
The spectrum of hole resonances in pure p-Ge for submillimetre in quantizing magnetic fields has been studied and identified. Measurements of photoconductivity spectra of p-Ge were made in the wave range lambda = 2-0.3 mm at temp. of 4.2-15 deg K in magnetic fields H up to 40 Measurements at various frequencies showed that the position of a series of characteristic resonances depends on the frequency of the illumination. This is in line with theoretical conclusions about the effective mass of the carriers increasing with rise in the magnetic field as a result of the interaction of the edge of the valency band with the split spin-orbital interaction of the sub 7 exp + band and the conduction band. The relative intensity of the quantum resonance lines of the free holes depends on the excitation conditions. |
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1721 |
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Shein, K. V.; Zarudneva, A. A.; Emel’yanova, V. O.; Logunova, M. A.; Chichkov, V. I.; Sobolev, A.S.; Zav’yalov, V. V.; Lehtinen, J. S.; Smirnov, E. O.; Korneeva, Y. P.; Korneev, A. A.; Arutyunov, K. Y. |
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Title |
Superconducting microstructures with high impedance |
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Journal Article |
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Year |
2020 |
Publication |
Phys. Solid State |
Abbreviated Journal |
Phys. Solid State |
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Volume |
62 |
Issue |
9 |
Pages |
1539-1542 |
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Keywords |
superconducting channels, SIS, inetic inductance, tunneling contacts, high impedance |
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The transport properties of two types of quasi-one-dimensional superconducting microstructures were investigated at ultra-low temperatures: the narrow channels close-packed in the shape of meander, and the chains of tunneling contacts “superconductor-insulator-superconductor.” Both types of the microstructures demonstrated high value of high-frequency impedance and-or the dynamic resistance. The study opens up potential for using of such structures as current stabilizing elements with zero dissipation. |
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1063-7834 |
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1789 |
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