A microstrip-coil integration on superconducting tunnel junctions for X-ray detection

We report the first demonstration of X-ray detection by using a Superconducting Tunnel Junction (STJ) with a microstrip-coil. The STJ was fabricated based on Nb/Al/AlO/sub x//Nb integration process technology using a 2 /spl mu/m design rule. Magnetic field was applied into the STJ by the microstrip-...

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Published inIEEE transactions on applied superconductivity Vol. 11; no. 1; pp. 700 - 703
Main Authors Taino, Tohru, Nakagawa, Hiroshi, Aoyagi, Masahiro, Sato, Hiroshi, Akoh, Hiroshi, Maehata, Keisuke, Ishibashi, Kenji, Sato, Hiromi, Ikeda, Tokihiro, Otani, Chiko, Ootani, Wataru, Oku, Takayuki, Kato, Hiroshi, Kawai, Kazuhiko, Shimizu, Hirohiko M., Takizawa, Yoshiyuki, Miyasaka, Hiromasa, Watanabe, Hiroshi
Format Journal Article Conference Proceeding
LanguageEnglish
Published New York, NY IEEE 01.03.2001
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
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ISSN1051-8223
1558-2515
DOI10.1109/77.919441

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Summary:We report the first demonstration of X-ray detection by using a Superconducting Tunnel Junction (STJ) with a microstrip-coil. The STJ was fabricated based on Nb/Al/AlO/sub x//Nb integration process technology using a 2 /spl mu/m design rule. Magnetic field was applied into the STJ by the microstrip-coil to suppress the dc Josephson current instead of the conventional electromagnet. The output waveform was successfully observed by irradiation of 5.9 keV X-ray under a condition of microstrip-coil current of 20 mA at 0.4 K.
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ISSN:1051-8223
1558-2515
DOI:10.1109/77.919441