| Records |
| Author |
Gershenzon, E. M.; Orlov, L. A.; Ptitsina, N. G. |
| Title |
Absorption spectra in electron transitions between excited states of impurities in germanium |
Type |
Journal Article |
| Year |
1975 |
Publication |
JETP Lett. |
Abbreviated Journal |
JETP Lett. |
Volume  |
22 |
Issue |
4 |
Pages |
95-97 |
| Keywords |
Ge, impurities, excited states, absorption spectra |
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1773 |
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Гершензон, Е. М.; Литвак-Горская, Л. Б.; Луговая, Г. Я.; Шапиро, Е. З. |
| Title |
Об интерпретации отрицательного магнитосопротивления в случае проводимости по верхней зоне Хаббарда в n-Ge⟨Sb⟩ |
Type |
Journal Article |
| Year |
1986 |
Publication |
Физика и техника полупроводников |
Abbreviated Journal |
Физика и техника полупроводников |
| Volume |
20 |
Issue |
1 |
Pages |
99-103 |
| Keywords |
n-Ge, Hubbard upper zone conductivity, negative magnetoresistance |
| Abstract |
В рамках теории квантовых поправок к проводимости объяснено отрицательное магнитосопротивление в n-Ge с концентрацией доноров Nd≃2.8⋅1016÷1.1⋅1017см−3, наблюдаемое в диапазоне температур 4.2−10 K, когда основной вклад в проводимость дают электроны верхней зоны Хаббарда. Показано, что время релаксации фазы волновой функции τφ определяется временем электрон-фононного взаимодействия τeph. |
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1759 |
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Matyushkin, Y.; Danilov, S.; Moskotin, M.; Belosevich, V.; Kaurova, N.; Rybin, M.; Obraztsova, E. D.; Fedorov, G.; Gorbenko, I.; Kachorovskii, V.; Ganichev, S. |
| Title |
Helicity-sensitive plasmonic terahertz interferometer |
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Journal Article |
| Year |
2020 |
Publication |
Nano Lett. |
Abbreviated Journal |
Nano Lett. |
| Volume |
20 |
Issue |
10 |
Pages |
7296-7303 |
| Keywords |
graphene, plasmonic interferometer, radiation helicity, terahertz radiation |
| Abstract |
Plasmonic interferometry is a rapidly growing area of research with a huge potential for applications in the terahertz frequency range. In this Letter, we explore a plasmonic interferometer based on graphene field effect transistor connected to specially designed antennas. As a key result, we observe helicity- and phase-sensitive conversion of circularly polarized radiation into dc photovoltage caused by the plasmon-interference mechanism: two plasma waves, excited at the source and drain part of the transistor, interfere inside the channel. The helicity-sensitive phase shift between these waves is achieved by using an asymmetric antenna configuration. The dc signal changes sign with inversion of the helicity. A suggested plasmonic interferometer is capable of measuring the phase difference between two arbitrary phase-shifted optical signals. The observed effect opens a wide avenue for phase-sensitive probing of plasma wave excitations in two-dimensional materials. |
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CENTERA Laboratories, Institute of High Pressure Physics, PAS, 01-142 Warsaw, Poland |
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1530-6984 |
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PMID:32903004 |
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1781 |
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Гершензон, Е. М.; Семенов, И. Т.; Фогельсон, М. С. |
| Title |
Спин-решеточная релаксация доноров фосфора в кремнии при одноосной деформации образца |
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Journal Article |
| Year |
1985 |
Publication |
Физика и техника полупроводников |
Abbreviated Journal |
Физика и техника полупроводников |
| Volume |
19 |
Issue |
9 |
Pages |
1696-1698 |
| Keywords |
uniaxial pressure, Ge, phosphorus donors, spin-lattice relaxation |
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no |
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1760 |
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Гершензон, Е. М.; Семенов, И. Т.; Фогельсон, М. С. |
| Title |
О механизме динамического сужения линии ЭПР доноров фосфора в кремнии |
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Journal Article |
| Year |
1984 |
Publication |
Физика и техника полупроводников |
Abbreviated Journal |
Физика и техника полупроводников |
| Volume |
18 |
Issue |
3 |
Pages |
421-425 |
| Keywords |
Si, phosphorus donors, EPR |
| Abstract |
Температурная зависимость ширины линии ЭПР доноров Р в Si исследована в интервале концентрации ND=2.5⋅1017−9⋅1017см−3 и температур T=1.7−45 K на образцах с различной степенью компенсации основной примеси. Результаты согласуются с моделью обменного сужения линии при учете температурной зависимости обменного интеграла и тем самым исключают предлагавшийся ранее механизм сужения линии вследствие прыжкового движения электронов по примесным центрам. |
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1761 |
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Банная, В. Ф.; Веселова, Л. И.; Гершензон, Е. М. |
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Об одном способе определения концентрации глубоких примесей в германии |
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Journal Article |
| Year |
1983 |
Publication |
Физика и техника полупроводников |
Abbreviated Journal |
Физика и техника полупроводников |
| Volume |
17 |
Issue |
10 |
Pages |
1896-1898 |
| Keywords |
Ge, deep impurities |
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1762 |
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Гершензон, Е. М.; Литвак-Горская, Л. Б.; Рабинович, Р. И. |
| Title |
Отрицательное магнитосопротивление в случае проводимости по верхней зоне Хаббарда |
Type |
Journal Article |
| Year |
1983 |
Publication |
Физика и техника полупроводников |
Abbreviated Journal |
Физика и техника полупроводников |
| Volume |
17 |
Issue |
10 |
Pages |
1873-1876 |
| Keywords |
compensated n-InSb, Hubbard upper zone conductivity, negative magnetoresistance |
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no |
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1763 |
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Гершензон, Е. М.; Мельников, А. П.; Рабинович, Р. И.; Смирнова, В. Б. |
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О возможности создания инверсной функции распределения свободных носителей в полупроводниках при захвате на мелкие нейтральные примеси |
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Journal Article |
| Year |
1983 |
Publication |
Физика и техника полупроводников |
Abbreviated Journal |
Физика и техника полупроводников |
| Volume |
17 |
Issue |
3 |
Pages |
499-501 |
| Keywords |
shallow neutral impurities, capture, inverse distribution function, Si |
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no |
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1764 |
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Elant'ev, A. I.; Karasik, B. S. |
| Title |
Effect of high-frequency current on Nb superconductive film in resistive state |
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Journal Article |
| Year |
1989 |
Publication |
Sov. J. Low Temp. Phys. |
Abbreviated Journal |
Sov. J. Low Temp. Phys. |
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15 |
Issue |
7 |
Pages |
379-383 |
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Nb HEB |
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882 |
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Yang, Y.; Fedorov, G.; Shafranjuk, S. E.; Klapwijk, T. M.; Cooper, B. K.; Lewis, R. M.; Lobb, C. J.; Barbara, P. |
| Title |
Electronic transport and possible superconductivity at Van Hove singularities in carbon nanotubes |
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Journal Article |
| Year |
2015 |
Publication |
Nano Lett. |
Abbreviated Journal |
Nano Lett. |
| Volume |
15 |
Issue |
12 |
Pages |
7859-7866 |
| Keywords |
carbon nanotubes, CNT, tunable superconductivity, van Hove singularities |
| Abstract |
Van Hove singularities (VHSs) are a hallmark of reduced dimensionality, leading to a divergent density of states in one and two dimensions and predictions of new electronic properties when the Fermi energy is close to these divergences. In carbon nanotubes, VHSs mark the onset of new subbands. They are elusive in standard electronic transport characterization measurements because they do not typically appear as notable features and therefore their effect on the nanotube conductance is largely unexplored. Here we report conductance measurements of carbon nanotubes where VHSs are clearly revealed by interference patterns of the electronic wave functions, showing both a sharp increase of quantum capacitance, and a sharp reduction of energy level spacing, consistent with an upsurge of density of states. At VHSs, we also measure an anomalous increase of conductance below a temperature of about 30 K. We argue that this transport feature is consistent with the formation of Cooper pairs in the nanotube. |
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Department of Physics, Georgetown University , Washington, District of Columbia 20057, United States |
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1530-6984 |
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PMID:26506109; Suuplementary info (attached to pdf) DOI: 10.1021/acs.nanolett.5b02564 |
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1782 |
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