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Abstract: Measurements of the intermediate frequency band 900 GHz of mixers based on the electron heating effect (EHE) in 2-nm- and 3.5-nm-thick superconducting NbN films sputtered on MgO and Si substrates with buffer MgO layers are presented. A 2-nm-thick superconducting NbN film with a critical temperature of 9.2 K has been obtained for the first time using a buffer MgO layer.
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Stéphane Claude. (2003). Sideband-separating SIS mixer for ALMA band 7, 275–370 GHz. In Proc. 14th Int. Symp. Space Terahertz Technol. (41). Tucson, USA.
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Albert Betz, Rita Boreiko, Yongdong Zhou, Jun Jhao, Yusuf Selamet, Yong Chang, et al. (2003). HgCdTe photoconductive mixers for 3-15 terahertz. In Proc. 14th Int. Symp. Space Terahertz Technol. (pp. 102–111). Tucson, USA.
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