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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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Journal Article |
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Year |
1978 |
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Sov. Phys. Solid State |
Abbreviated Journal |
Sov. Phys. Solid State |
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20 |
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4 |
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573-579 |
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p-Ge, free carriers, resonances |
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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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Author |
Gershenzon, E.; Goltsman, G.; Elantev, A.; Kagane, M. |
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Title |
Energy-spectrum of small donors and acceptors in germanium and effect of magnetic-field on it |
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Year |
1978 |
Publication |
Izv. Akad. Nauk SSSR, Seriya Fizicheskaya |
Abbreviated Journal |
Izv. Akad. Nauk SSSR, Seriya Fizicheskaya |
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42 |
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6 |
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1142-1148 |
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Keywords |
energy spectrum, Ge, magnetic field |
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1722 |
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Author |
Gershenzon, E.; Goltsman, G.; Orlov, L.; Ptitsina, N. |
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Title |
Population of excited-states of small admixtures in germanium |
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Conference Article |
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Year |
1978 |
Publication |
Izv. Akad. Nauk SSSR, Seriya Fizicheskaya |
Abbreviated Journal |
Izv. Akad. Nauk SSSR, Seriya Fizicheskaya |
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42 |
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6 |
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1154-1159 |
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Keywords |
Ge, excited states, admixtures |
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Mezhdunarodnaya Kniga 39 Dimitrova Ul., 113095 Moscow, Russia |
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1723 |
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Author |
Blagosklonskaya, L. E.; Gershenzon, E. M.; Gol’tsman, G. N.; Elant’ev, A. I. |
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Title |
Effect of a strong magnetic field on the spectrum of donors in InSb |
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Journal Article |
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Year |
1978 |
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Sov. Phys. Semicond. |
Abbreviated Journal |
Sov. Phys. Semicond. |
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Volume |
11 |
Issue |
12 |
Pages |
1395-1397 |
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Keywords |
InSb, spectrum of donors, strong magnetic field |
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1725 |
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Author |
Gershenzon, E.M.; Gol'tsman, G.N.; Ptitsyna, N. G. |
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Title |
Carrier lifetime in excited states of shallow impurities in germanium |
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Journal Article |
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1977 |
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JETP Lett. |
Abbreviated Journal |
JETP Lett. |
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25 |
Issue |
12 |
Pages |
539-543 |
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Keywords |
Ge, shallow impurities, excited states |
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1726 |
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Gershenzon, E. M.; Gol'tsman, G. N.; Kagane, M. L. |
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Title |
Energy spectrum of acceptors in germanium and its response to a magnetic field |
Type |
Journal Article |
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Year |
1977 |
Publication |
Sov. Phys. JETP |
Abbreviated Journal |
Sov. Phys. JETP |
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Volume |
45 |
Issue |
4 |
Pages |
769-776 |
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Keywords |
p-Ge, photoconductivity, energy spectrum, magnetic field |
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Abstract |
We investigated the spectrum of the submillimeter photoconductivity of p-Ge at helium temperatures and the effects of a magnetic field up to 40 kOe on the spectrum. A large number of lines of transitions between the excited states of the acceptors was observed, some of the lines were identified, and the energies of a number of spectral levels B, Al, Ga, In, and TI in Ge were identified. The results are compared with calculations and with experimental data obtained from the spectra of the photoexcitation of the ground state of the impurities. Using one transition as an example, we discuss the splitting of the excited states of acceptors in the magnetic field and under uniaxial compression. |
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1727 |
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Gershenzon, E. M.; Gol'tsman, G. N.; Elant'ev, A. I. |
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Title |
Energy spectrum of the donors in GaAs and Ge and its reaction to a magnetic field |
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Journal Article |
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Year |
1977 |
Publication |
Sov. Phys. JETP |
Abbreviated Journal |
Sov. Phys. JETP |
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Volume |
45 |
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3 |
Pages |
555-565 |
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Keywords |
Ge, GaAs, magnetic field, donors, energy spectrum |
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The spectrum of the submillimeter photoconductivity of n-GaAs and n-Ge in a magnetic field up to 60 kOe at helium temperatures was investigated. A large number of lines due to transitions between excited states of the donors have been investigated, and the measurement results were used to determine a number of levels of the energy spectrum in a wide range of magnetic fields. For GaAs, these data are compared with calculations of the energy spectrum of the hydrogen atom in magnetic fields up to -2X lo9 Oe. For the donors in Ge, the energy spectrum is investigated at different orientations of the magnetic field relative to the crystallographic axes (H 11 [loo], [I 1 I], [110]), and these results are also compared with the corresponding calculations. |
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1728 |
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Author |
Blagosklonskaya, L. E.; Gershenzon, E. M.; Gol'tsman, G. N.; Elant'ev, A. I. |
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Title |
Effect of a high magnetic field on the spectrum of donors in InSb |
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Journal Article |
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Year |
1977 |
Publication |
Fizika i Tekhnika Poluprovodnikov |
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Fizika i Tekhnika Poluprovodnikov |
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Volume |
11 |
Issue |
12 |
Pages |
2373-2375 |
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Keywords |
InSb, energy spectrum, donors, high magnetic field |
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Russian |
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Воздействие сильного магнитного поля на спектр доноров в InSb |
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1729 |
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Author |
Gershenzon, E. M.; Orlova, S. L.; Orlov, L. A.; Ptitsina, N. G.; Rabinovich, R. I. |
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Title |
Intervalley cyclotron-impurity resonance of electrons in n-Ge |
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Journal Article |
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Year |
1976 |
Publication |
JETP Lett. |
Abbreviated Journal |
JETP Lett. |
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Volume |
24 |
Issue |
3 |
Pages |
125-128 |
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Keywords |
n-Ge, cyclotron-impurity resonance |
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1730 |
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Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Ptitsina, N. G. |
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Title |
Investigation of free excitons in Ge and their condensation at submillimeter wavelengths |
Type |
Journal Article |
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Year |
1976 |
Publication |
Sov. Phys. JETP |
Abbreviated Journal |
Sov. Phys. JETP |
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Volume |
43 |
Issue |
1 |
Pages |
116-122 |
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Keywords |
Ge, free excitons |
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Abstract |
Results are presented of an investigation of free excitons in Ge in the submillimeter wavelength range for low as well as for high excitation levels when interaction between the excitons becomes important. The free-exciton energy spectrum is discussed. It is shown that the drop radii and their concentrations can be determined by measuring the temperature dependence of the free-exciton concentration. A section of the phase diagram is obtained in the 0.5-2.8 K temperature range for the free excitons+condensate system. |
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1731 |
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