Records |
Author |
Smirnov, A. V.; Larionov, P. A.; Finkel, M. I.; Maslennikov, S. N.; Voronov, B. M.; Gol'tsman, G. N. |
Title |
NbZr films for THz phonon-cooled HEB mixers |
Type |
Conference Article |
Year |
2008 |
Publication |
Proc. 19th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 19th Int. Symp. Space Terahertz Technol. |
Volume |
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Issue |
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Pages |
44-47 |
Keywords |
HEB, NbZr, material search |
Abstract |
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Publisher |
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Place of Publication |
Groningen, Netherlands |
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no |
Call Number |
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Serial |
577 |
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Author |
Morozov, D. V.; Smirnov, K. V.; Smirnov, A. V.; Lyakhov, V. A.; Goltsman, G. N. |
Title |
A millimeter-submillimeter phonon-cooled hot-electron bolometer mixer based on two-dimensional electron gas in an AlGaAs/GaAs heterostructure |
Type |
Journal Article |
Year |
2005 |
Publication |
Semicond. |
Abbreviated Journal |
Semicond. |
Volume |
39 |
Issue |
9 |
Pages |
1082-1086 |
Keywords |
2D electron gas, AlGaAs/GaAs heterostructures, mixers |
Abstract |
Experimental results obtained by studying the main characteristics of a millimeter-submillimeter wave mixer based on the hot-electron effect in a two-dimensional electron gas in a AlGaAs/GaAs heterostructure with a phonon-scattering cooling mechanism for charge carriers are reported. The gain bandwidth of the mixer is 4 GHz, the internal conversion losses are 13 dB, and the optimum local-oscillator power is 0.5 μW (for a mixer area of 1 μm2). It is shown that a millimeter-submillimeter-wave receiver with a noise temperature of 1900 K can be developed on the basis of a AlGaAs/GaAs mixer. This mixer also appears to be promising for use in array receiver elements. |
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ISSN |
1063-7826 |
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Call Number |
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Serial |
1463 |
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