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Elant'ev, A. I.; Karasik, B. S. |
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Title  |
Effect of high-frequency current on Nb superconductive film in resistive state |
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1989 |
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Sov. J. Low Temp. Phys. |
Abbreviated Journal |
Sov. J. Low Temp. Phys. |
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15 |
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7 |
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379-383 |
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Nb HEB |
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882 |
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de Lara, D. Perez; Ejrnaes, M.; Casaburi, A.; Lisitskiy, M.; Cristiano, R.; Pagano, S.; Gaggero, A.; Leoni, R.; Golt’sman, G.; Voronov, B. |
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Feasibility investigation of NbN nanowires as detector in time-of-flight mass spectrometers for macromolecules of interest in biology (proteins) |
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Journal Article |
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2008 |
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J. Low Temp. Phys. |
Abbreviated Journal |
J. Low Temp. Phys. |
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151 |
Issue |
3-4 |
Pages |
771-776 |
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NbN SSPD, SNSPD, nanowires |
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We are investigating the possibility of using NbN nanowires as detectors in time-of-flight mass spectrometers for investigation of macromolecules of interest in biology (proteins). NbN nanowires could overcome the two major drawbacks encountered so far by cryogenic detectors, namely the low working temperature in the mK region and the slow temporal response. In fact, NbN nanowires can work at 5 K and the response time is at least a factor 10–100 better than that of other cryogenic detectors. We present a feasibility study based on a numerical code to calculate the response of a NbN nanowire. The parameter space is investigated at different energies from IR to macromolecules (i.e. from eV to keV) in order to understand if larger value of film thickness and width can be used for the keV energy region. We also present preliminary experimental results of irradiation with X-ray photons of NbN to simulate the effect of macromolecules of the same energy. |
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0022-2291 |
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Gershenzon, E. M.; Gol'tsman, G. N.; Elantiev, A. I.; Karasik, B. S.; Potoskuev, S. E. |
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Title |
Intense electromagnetic radiation heating of electrons of a superconductor in the resistive state |
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Year |
1988 |
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Sov. J. Low Temp. Phys. |
Abbreviated Journal |
Sov. J. Low Temp. Phys. |
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Volume |
14 |
Issue |
7 |
Pages |
414-420 |
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HEB |
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Duplicated as 1697 |
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236 |
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Schmid, Albert; Schön, Gerd |
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Linearized kinetic equations and relaxation processes of a superconductor near Tc |
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1975 |
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J. Low Temp. Phys. |
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J. Low Temp. Phys. |
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20 |
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1-2 |
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207-227 |
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Starting from the equation of Gor'kov and Eliashberg in a form introduced by Eilenberger, we derive a set of linearized equations for the deviation from the equilibrium value of the quasiparticle distribution function as well as of the order parameter. These equations resemble the Boltzmann equation and the Ginzburg-Landau equation, respectively, and they form a set of coupled equations. Two different modes can be distinguished, depending on whether the order parameter changes in magnitude or in phase. The equations are solved for the case of a stationary quasiparticle injection into a superconductor and the change in the electrochemical potential of the quasiparticles is calculated. Furthermore, we treat the problem of a current flowing perpendicular to a superconducting-normal interface in which a normal current is converted into a supercurrent, and we calculate the extra resistance of the interface. |
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922 |
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Cherednichenko, S.; Drakinskiy, V. |
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Low noise hot-electron bolometer mixers for terahertz frequencies |
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2008 |
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J. Low Temp. Phys. |
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J. Low Temp. Phys. |
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151 |
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1-2 |
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575-579 |
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Keywords |
HEB, mixer, gain bandwidth, MgB2 |
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Hot-electron bolometer (HEB) mixers are used in many low noise heterodyne radio astronomical receivers. Their noise temperature is at the level of 10–15 times the quantum limit. However, their gain bandwidth is a serious limiting factor. Here we review the state of the art of the HEB mixers gain bandwidth for different materials and substrates. We compare the gain bandwidth of HEB mixers made on bulk substrates and thin membranes. Finally, results for MgB2 thin films for broadband HEB mixers are discussed. |
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0022-2291 |
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RPLAB @ lobanovyury @ |
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553 |
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