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

Author

Taino, Tohru ; Nakagawa, Hirotoshi ; Aoyagi, Masahiro ; Sato, Hikaru ; Akoh, H. ; Maehata, Keisuke ; Ishibashi, Koji ; Sato, Hikaru ; Ikeda, Takashi ; Otani, C. ; Ootani, Wataru ; Oku, Takanori ; Kato, Haruhisa ; Kawai, Kunihiro ; Shimizu, H.M. ; Takizawa

Author_Institution

Electrotech. Lab., Tsukuba, Japan

Volume

11

Issue

1

fYear

2001

fDate

3/1/2001 12:00:00 AM

Firstpage

700

Lastpage

703

Abstract

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_x/Nb integration process technology using a 2 μm 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

Keywords

X-ray detection; aluminium; aluminium compounds; microstrip components; niobium; superconducting coils; superconducting junction devices; superconducting particle detectors; superconductive tunnelling; 0.4 K; 2 micron; 20 mA; 5.9 keV; DC Josephson current; Nb-Al-AlO-Nb; Nb/Al/AlO_x/Nb integration process technology; X-ray detection; magnetic field; microstrip coil; superconducting tunnel junction; Detectors; Energy resolution; Josephson effect; Josephson junctions; Laboratories; Magnetic fields; Microstrip; Niobium; Telephony; X-ray detection;

fLanguage

English

Journal_Title

Applied Superconductivity, IEEE Transactions on

Publisher

ieee

ISSN

1051-8223

Type

jour

DOI

10.1109/77.919441

Filename

919441