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Финкель, М. И.; Масленников, С. Н.; Гольцман, Г. Н. |
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Концепция приёмного комплекса космического радиотелескопа «Миллиметрон» |
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2007 |
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Известия высших учебных заведений. Радиофизика |
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50 |
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10-11 |
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924-934 |
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russian |
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RPLAB @ s @ mix_review_2007_rus |
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410 |
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Финкель, М. И.; Масленников, С. Н.; Гольцман, Г. Н. |
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Супергетеродинные терагерцовые приёмники со сверхпроводниковым смесителем на электронном разогреве |
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2005 |
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Известия высших учебных заведений. Радиофизика |
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48 |
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10 |
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964-970 |
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Гершензон, Е. М.; Гершензон, М. Е.; Гольцман, Г. Н.; Семенов, А. Д.; Сергеев, А. В. |
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Неселективное воздействие электромагнитного излучения на сверхпроводящую пленку в резистивном состоянии |
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1982 |
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Письма в ЖЭТФ |
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Письма в ЖЭТФ |
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36 |
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7 |
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241-244 |
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MSPU @ s @ |
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225 |
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Третьяков, И.В.; Рябчун, С.А.; Каурова, Н.С.; Ларионов, П.А.; Лобастова, А.А.; Воронов, Б.М.; Финкель, М.И.; Гольцман, Г.Н. |
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Оптимальная поглощенная мощность гетеродина для терагерцового сверхпроводникового NbN смесителя на электронном разогреве |
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2010 |
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Письма в Журнал технической физики |
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Письма в ЖТФ |
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36 |
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23 |
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78-84 |
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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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703 |
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Ожегов, Р.В.; Горшков, К.Н.; Окунев, О.В.; Гольцман, Г.Н. |
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Сверхпроводниковый смеситель на эффекте электронного разогрева как элемент матрицы системы построения тепловых изображений |
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2010 |
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Письма в Журнал технической физики |
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Письма в ЖТФ |
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36 |
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21 |
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70-78 |
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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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RPLAB @ gujma @ |
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704 |
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Ожегов, Р. В.; Окунев, О. В.; Гольцман, Г. Н.; Филиппенко, Л. В.; Кошелец, В. П. |
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Флуктуационная чувствительность сверхпроводящего интегрального приемника терагерцового диапазона частот |
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2009 |
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Радиотехника и электроника |
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Радиотех. электроник. |
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54 |
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6 |
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750-755 |
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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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710 |
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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. |
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Взаимная синхронизация двух связанных генераторов автоколебаний на основе сверхрешеток GaAs/AlGaAs |
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2011 |
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Журнал технической физики |
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ЖТФ |
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81 |
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6 |
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80-86 |
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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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711 |
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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. |
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Сборник программ учебных дисциплин профессионального цикла подготовки магистров и бакалавров по направлению «Физика» |
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2011 |
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Прометей |
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Учебное пособие |
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RPLAB @ gujma @ |
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717 |
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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. |
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Deposition and characterization of few-nanometers-thick superconducting Mo-Re films |
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2008 |
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Supercond. Sci. Technol. |
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Supercond. Sci. Technol. |
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21 |
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11 |
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115006 (1 to 6) |
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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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RPLAB @ gujma @ |
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723 |
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Bell, M.; Sergeev, A.; Mitin, V.; Bird, J.; Verevkin, A.; Gol'tsman, G. |
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One-dimensional resistive states in quasi-two-dimensional superconductors |
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2007 |
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arXiv:0709.0709v1 [cond-mat.supr-con] |
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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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RPLAB @ atomics90 @ |
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Gershenzon, E. M.; Il'in, V. A.; Litvak-Gorskaya, L. B.; Filonovich, S. R. |
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Character of submillimeter photoconductivity in n-lnSb |
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1979 |
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Sov. Phys. JETP |
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Sov. Phys. JETP |
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49 |
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121-128 |
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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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RPLAB @ phisix @ |
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Ptitsina N. G.; Chulkova G. M.; Il'in K. S.; Sergeev A. V.; Pochinkov F. S.; Gershenzon E. M. |
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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. |
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1997 |
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Phys. Rev. B |
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Phys. Rev. B |
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56 |
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16 |
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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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Ptitsina, N. G.; Chulkova, G. M.; Gershenzon, E. M. |
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Influence of the interference of electron-phonon and electron-impurity scattering on the conductivity of unordered Nb films |
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Journal Article |
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1995 |
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JETP |
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JETP |
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80 |
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5 |
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960-964 |
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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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RPLAB @ phisix @ |
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989 |
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Smirnov, Konstantin; Vachtomin, Yury; Divochiy, Alexander; Antipov, Andrey; Goltsman, Gregory |
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Title |
Dependence of dark count rates in superconducting single photon detectors on the filtering effect of standard single mode optical fibers |
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Journal Article |
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2015 |
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Appl. Phys. Express |
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Appl. Phys. Express |
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8 |
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2 |
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022501 (1 to 4) |
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IOP Publishing |
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1882-0778 |
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RPLAB @ sasha @ smirnov2015dependence |
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1049 |
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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 |
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Title |
Coherent dynamics and decoherence in a superconducting weak link |
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Journal Article |
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2016 |
Publication |
Physic. Rev. B, |
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Physic. Rev. B, |
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94 |
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180508 |
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RPLAB @ akorneev @ |
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1123 |
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