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Author Финкель, М. И.; Масленников, С. Н.; Гольцман, Г. Н.
Title Концепция приёмного комплекса космического радиотелескопа «Миллиметрон» Type Journal Article
Year 2007 Publication Известия высших учебных заведений. Радиофизика Abbreviated Journal
Volume 50 Issue 10-11 Pages 924-934
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Call Number RPLAB @ s @ mix_review_2007_rus Serial 410
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Author Финкель, М. И.; Масленников, С. Н.; Гольцман, Г. Н.
Title Супергетеродинные терагерцовые приёмники со сверхпроводниковым смесителем на электронном разогреве Type Journal Article
Year 2005 Publication Известия высших учебных заведений. Радиофизика Abbreviated Journal
Volume 48 Issue 10 Pages 964-970
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Call Number Serial 380
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Author Гершензон, Е. М.; Гершензон, М. Е.; Гольцман, Г. Н.; Семенов, А. Д.; Сергеев, А. В.
Title Неселективное воздействие электромагнитного излучения на сверхпроводящую пленку в резистивном состоянии Type Journal Article
Year 1982 Publication Письма в ЖЭТФ Abbreviated Journal Письма в ЖЭТФ
Volume 36 Issue 7 Pages 241-244
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Call Number MSPU @ s @ Serial 225
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Author Третьяков, И.В.; Рябчун, С.А.; Каурова, Н.С.; Ларионов, П.А.; Лобастова, А.А.; Воронов, Б.М.; Финкель, М.И.; Гольцман, Г.Н.
Title Оптимальная поглощенная мощность гетеродина для терагерцового сверхпроводникового NbN смесителя на электронном разогреве Type Journal Article
Year 2010 Publication Письма в Журнал технической физики Abbreviated Journal Письма в ЖТФ
Volume 36 Issue 23 Pages 78-84
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Abstract Представлены результаты измерений поглощенной мощности гетеродина малошумящим широкополосным смесителем на эффекте электронного разогрева в резистивном состоянии сверхпроводниковой ультратонкой пленки NbN. Оптимальная поглощенная мощность гетеродина составила около 100 nW на частоте 2.5 THz.
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Call Number RPLAB @ gujma @ Serial 703
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Author Ожегов, Р.В.; Горшков, К.Н.; Окунев, О.В.; Гольцман, Г.Н.
Title Сверхпроводниковый смеситель на эффекте электронного разогрева как элемент матрицы системы построения тепловых изображений Type Journal Article
Year 2010 Publication Письма в Журнал технической физики Abbreviated Journal Письма в ЖТФ
Volume 36 Issue 21 Pages 70-78
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Abstract Исследована возможность использования матрицы чувствительных элементов на гиперполусферической линзе диаметром 12 mm в тепловизоре терагерцевого диапазона частот. Получены размеры области на линзе, приемлемой для расположения матрицы, в которой шумовая температура приемника меняется в пределах 16% от средней. Диаметр этой области составил 3.3% диаметра линзы.Получены отклонения основного лепестка диаграммы направленности, которые составили ±1.25â—<a6> от направления с оптимальным положением смесителя. Флуктуационная чувствительность приемника в эксперименте составила 0.5 K на частоте 300 GHz.
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Call Number RPLAB @ gujma @ Serial 704
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Author Ожегов, Р. В.; Окунев, О. В.; Гольцман, Г. Н.; Филиппенко, Л. В.; Кошелец, В. П.
Title Флуктуационная чувствительность сверхпроводящего интегрального приемника терагерцового диапазона частот Type Journal Article
Year 2009 Publication Радиотехника и электроника Abbreviated Journal Радиотех. электроник.
Volume 54 Issue 6 Pages 750-755
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Abstract Исследована зависимость флуктуационной чувствительности сверхпроводящего интегрального приемника (СИП) от шумовой температуры приемника и величины входного сигнала. Измерена рекордная флуктуационная чувствительность приемника (13 ± 2 мК), полученная при шумовой температуре приемника 200 К, ширине полосы промежуточных частот 4 ГГц и постоянной времени 1 с. При уменьшении входного сигнала наблюдалось улучшение флуктуационной чувствительности; предложено обÑŠяснение полученного эффекта: причиной является уменьшение влияния нестабильностей источников питания приемника и усилительного тракта при снижении входного сигнала.
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Call Number RPLAB @ gujma @ Serial 710
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Author Расулова, Г.К.; Брунков, П.Н.; Пентин, И.В.; Ковалюк, В.В.; Горшков, К.Н.; Казаков, А.Ю.; Иванов, С.Ю.; Егоров, А.Ю.; Саксеев, Д.А.; Конников, С.Г.
Title Взаимная синхронизация двух связанных генераторов автоколебаний на основе сверхрешеток GaAs/AlGaAs Type Journal Article
Year 2011 Publication Журнал технической физики Abbreviated Journal ЖТФ
Volume 81 Issue 6 Pages 80-86
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Abstract Проведено исследование взаимодействия генераторов автоколебаний на основе 30-периодной слабосвязанной сверхрешетки GaAs/AlGaAs. Воздействие одного генератора автоколебаний на другой осуществлялось при заданном постоянном смещении в отсутствие в одном из них генерации автономных колебаний. Показано, что вынужденные колебания в захватывающем генераторе возникают из-за возбуждения колебаний в системе связанных осцилляторов, образующих границу электрополевого домена на частоте одной из высших гармоник вынуждающего колебания.
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Call Number RPLAB @ gujma @ Serial 711
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Author Гольцман, Г. Н.; Разумовская, И. В.; Окунев, О. В; Чулкова, Г. М.; Корнеев, А. А.; Финкель, М. И.; Масленников, С. Н.; Семенов, А. В.; Александров, В. Н.
Title Сборник программ учебных дисциплин профессионального цикла подготовки магистров и бакалавров по направлению «Физика» Type Journal Article
Year 2011 Publication Прометей Abbreviated Journal Прометей
Volume Issue Pages 67
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Call Number RPLAB @ gujma @ Serial 717
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Author Seleznev, V. A.; Tarkhov, M. A.; Voronov, B. M.; Milostnaya, I. I.; Lyakhno, V. Yu; Garbuz, A. S.; Mikhailov, M. Yu; Zhigalina, O. M.; Gol'tsman, G. N.
Title Deposition and characterization of few-nanometers-thick superconducting Mo-Re films Type Journal Article
Year 2008 Publication Supercond. Sci. Technol. Abbreviated Journal Supercond. Sci. Technol.
Volume 21 Issue 11 Pages 115006 (1 to 6)
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Abstract We report on the fabrication and investigation of few-nanometers-thick superconducting molybdenum-rhenium (Mo-Re) films intended for use in nanowire single-photon superconducting detectors (SSPDs). Mo-Re films were deposited on sapphire substrates by DC magnetron sputtering of an Mo(60)-Re(40) alloy target in an atmosphere of argon. The films 2-10 nm thick had critical temperatures (Tc) from 5.6 to 9.7 K. HRTEM (high-resolution transmission electron microscopy) analysis showed that the films had a homogeneous structure. XPS (x-ray photoelectron spectroscopy) analysis showed the Mo to Re atom ratio to be 0.575/0.425, oxygen concentration to be 10%, and concentration of other elements to be 1%.
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Call Number RPLAB @ gujma @ Serial 723
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Author Bell, M.; Sergeev, A.; Mitin, V.; Bird, J.; Verevkin, A.; Gol'tsman, G.
Title One-dimensional resistive states in quasi-two-dimensional superconductors Type Journal Article
Year 2007 Publication arXiv:0709.0709v1 [cond-mat.supr-con] Abbreviated Journal
Volume Issue Pages 1-11
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Abstract We investigate competition between one- and two-dimensional topological excitations – phase slips and vortices – in formation of resistive states in quasi-two-dimensional superconductors in a wide temperature range below the mean-field transition temperature T(C0). The widths w = 100 nm of our ultrathin NbN samples is substantially larger than the Ginzburg-Landau coherence length ξ = 4nm and the fluctuation resistivity above T(C0) has a two-dimensional character. However, our data shows that the resistivity below T(C0) is produced by one-dimensional excitations, – thermally activated phase slip strips (PSSs) overlapping the sample cross-section. We also determine the scaling phase diagram, which shows that even in wider samples the PSS contribution dominates over vortices in a substantial region of current/temperature variations. Measuring the resistivity within seven orders of magnitude, we find that the quantum phase slips can only be essential below this level.
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Call Number RPLAB @ atomics90 @ Serial 948
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Author Gershenzon, E. M.; Il'in, V. A.; Litvak-Gorskaya, L. B.; Filonovich, S. R.
Title Character of submillimeter photoconductivity in n-lnSb Type Journal Article
Year 1979 Publication Sov. Phys. JETP Abbreviated Journal Sov. Phys. JETP
Volume 49 Issue 1 Pages 121-128
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Abstract A comprehensive investigation was made of the submillimeter photoconductivity of n -1nSb in the range of wavelengths L = 0.6-8 mm, magnetic fields H = 0-30 kOe, electric fields E = 0.01-0.5 V/cm, and temperatures T = 1.3-30 K. The kinetics of the photoconductivity processes as a function of T, E; and H is investigated. It is shown that impurity photoconductivity does exist for any degree of compensation of extremely purified n-InSb. Particular attention is paid to the hopping photoconductivity realized in strongly compensated n-1nSb (K > 0.8).
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Call Number RPLAB @ phisix @ Serial 985
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Author Ptitsina N. G.; Chulkova G. M.; Il'in K. S.; Sergeev A. V.; Pochinkov F. S.; Gershenzon E. M.
Title Superconductivity has been found in a number of new compounds between the non-superconducting transition elements and nonmetals such as Si, Ge, and Te. These findings have suggested possible criteria for superconductivity in both elements and compounds. Type Journal Article
Year 1997 Publication Phys. Rev. B Abbreviated Journal Phys. Rev. B
Volume 56 Issue 16 Pages
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Abstract The temperature dependence of the resistance of films of Al, Be, and NbC with small values of the electron mean free path L=1.5– 10 nm has been measured at 4.2–300 K. The resistance of all the films contains a T^2 contribution that is proportional to the residual resistance; this contribution has been attributed to the interference between the elastic electron scattering and the electron-phonon scattering. Fitting the data to the theory of the electron-phonon-impurity interference „M. Yu. Reiser and A. V. Sergeev, Zh. Eksp. Teor. Fiz. 92, 224 ~1987! @Sov. Phys. JETP 65, 1291 ~1987!#…, we obtain constants of nteraction of the electrons with transverse phonons, and estimate the contribution of this interaction to the electron dephasing rate in thin films of Au, Al, Be, Nb, and NbC. Our estimates are in a good agreement with the experimental data on the inelastic electronphonon scattering in these films. This indicates that the interaction of electrons with transverse phonons controls the electron-phonon relaxation rate in thin-metal films over a broad temperature range.
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Call Number RPLAB @ phisix @ Serial 988
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Author Ptitsina, N. G.; Chulkova, G. M.; Gershenzon, E. M.
Title Influence of the interference of electron-phonon and electron-impurity scattering on the conductivity of unordered Nb films Type Journal Article
Year 1995 Publication JETP Abbreviated Journal JETP
Volume 80 Issue 5 Pages 960-964
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Abstract The temperature dependence of the resistivity of Nb thin films has been studied at T=4.2-300 K. It has been shown that quantum interference between electron-phonon and electron-impurity scattering determines the temperature dependence of the resistivity of the films investigated over a broad temperature range. The magnitude of the contribution of the electron-phonon-impurity,interference is described satisfactorily by the theory developed by Reizer and Sergeev {Zh. Eksp. Teor. Fiz. 92,2291 (1987) [Sov. Phys. JETP 65, 1291 (1987)l). The interaction constants of electrons with longitudinal and transverse phonons in Nb films have been determined for the first time by comparing the experimental data with the theory. The values of the constants obtained are consistent with the data on the inelastic electron-phonon scattering times in the films investigated. The contribution of the transverse phonons is dominant both in the interference correction to the resistivity and in the electron energy relaxation.
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Call Number RPLAB @ phisix @ Serial 989
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Author Smirnov, Konstantin; Vachtomin, Yury; Divochiy, Alexander; Antipov, Andrey; Goltsman, Gregory
Title Dependence of dark count rates in superconducting single photon detectors on the filtering effect of standard single mode optical fibers Type Journal Article
Year 2015 Publication Appl. Phys. Express Abbreviated Journal Appl. Phys. Express
Volume 8 Issue 2 Pages 022501 (1 to 4)
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Call Number RPLAB @ sasha @ smirnov2015dependence Serial 1049
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Author Peltonen, J. T.; Peng, Z. H.; Korneeva, Yu. P.; Voronov, B. M.; Korneev, A. A.; Semenov, A. V.; Gol'tsman, G. N.; Tsai, J. S; Astafiev, Oleg
Title Coherent dynamics and decoherence in a superconducting weak link Type Journal Article
Year 2016 Publication Physic. Rev. B, Abbreviated Journal Physic. Rev. B,
Volume 94 Issue Pages 180508
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Call Number RPLAB @ akorneev @ Serial 1123
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