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Author Гершензон, Е. М.; Мельников, А. П.; Рабинович, Р. И.; Смирнова, В. Б.
Title О возможности создания инверсной функции распределения свободных носителей в полупроводниках при захвате на мелкие нейтральные примеси Type Journal Article
Year 1983 Publication Физика и техника полупроводников Abbreviated Journal Физика и техника полупроводников
Volume 17 Issue 3 Pages (up) 499-501
Keywords shallow neutral impurities, capture, inverse distribution function, Si
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Call Number Serial 1764
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Author Taylor, F.W.
Title Atmospheric physics: Natural lasers on Venus and Mars Type Journal Article
Year 1983 Publication Nature Abbreviated Journal Nature
Volume 306 Issue 5944 Pages (up) 640-640
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ISSN 0028-0836 ISBN Medium
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Call Number Serial 457
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Author Tokunaga, Alan T.
Title High resolution infrared spectroscopy of planetary atmospheres Type Journal Article
Year 1983 Publication Astron. Soc. Pacific. Pub. Abbreviated Journal
Volume 95 Issue Pages (up) 691-699
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Call Number Serial 454
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Author Gershenson, E. M.; Gol'tsman, G. N.; Elant'ev, A. I.; Kagane, M. L.; Multanovskii, V. V.; Ptitsina, N. G.
Title Use of submillimeter backward-wave tube spectroscopy in determination of the chemical nature and concentration of residual impurities in pure semiconductors Type Journal Article
Year 1983 Publication Sov. Phys. Semicond. Abbreviated Journal Sov. Phys. Semicond.
Volume 17 Issue 8 Pages (up) 908-913
Keywords BWO spectroscopy, pure semiconductors, residual impurities
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Notes Применение субмиллиметровой ЛОВ спектроскопии для определения химической природы и концентрации примесей в чистых полупроводниках Approved no
Call Number Serial 1714
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Author Archer, J. W.
Title Multiple mixer, cryogenic receiver for 200-350 GHz Type Journal Article
Year 1983 Publication Rev. Sci. Instrum. Abbreviated Journal Rev. Sci. Instrum.
Volume 54 Issue 10 Pages (up) 1371-1376
Keywords Schottky, mixer, noise temperature
Abstract This paper describes a new 200–350-GHz dual polarization heterodyne radiometer receiver for radio astronomy applications. The receiver incorporates four pairs of cryogenically cooled Schottky-barrier diode single-ended mixers, each pair covering a 30–40-GHz subband of the full operating band. Each mixer, with its IF amplifier, is mounted in an individual cryogenic subdewar comprising a separate vcuum chamber and a cold stage, which may be readily thermally connected to or disconnected from the main refrigerator by a novel mechanical heat switch. A dual polarization LO diplexer is mounted on a rotary table above the subdewars. For band selection, the two diplexer rf output ports may be positioned over any of the four pairs of subdewars. The SSB receiver noise temperatues achieved are less than 500 K between 200 and 240 GHz, less than 800 K between 245 and 275 GHz and 1500 K at 345 GHz.
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Call Number Serial 589
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