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Title: Fabrication of Bi2212 single crystal bolometer for detection of terahertz waves
Authors: Semerci, Tuğçe
Demirhan, Yasemin
Miyakawa, Nobuaki
Wang, Huabing
Özyüzer, Lütfi
Keywords: Bolometer
Terahertz sensitive
Response time
Bi2212 single crystal
Issue Date: 2017
Publisher: Springer Verlag
Source: Semerci, T., Demirhan, Y., Miyakawa, N., Wang, H., and Özyüzer, L. (2017). Fabrication of Bi2212 single crystal bolometer for detection of terahertz waves. NATO Science for Peace and Security Series B: Physics and Biophysics, PartF1, 75-83. doi:10.1007/978-94-024-1093-8_11
Abstract: Terahertz (THz) radiation is in powerful region of electromagnetic spectrum because of prosperous application areas yet deficiency still exists about sources and detectors in despite of improvements of the research field in this range. This gap can be filled by focusing on development of THz detectors. Therefore, bolometers were preferred through many detectors due to detection sensitivity above 1 THz. In this study, Bi2Sr2CaCu2O8+δ (Bi2212) single crystals were used to fabricate THz bolometric detector. Bi2212 single crystals were transferred on sapphire substrate by cleavage process and e-beam lithography and ion beam etching were used to fabricate the microchip clean room facilities. Customdesigned cryogenic cryostat was used for a-b axis electrical and THz response measurements with liquid nitrogen cooled system. After electrical measurements, Bi2212 microchips detected the signals using Stefan-Boltzmann Lamp and response time were calculated. This study have shown with our experimental results that Bi2212 single crystals are potential candidates for THz bolometric detectors.
ISSN: 1874-6500
Appears in Collections:Materials Science and Engineering / Malzeme Bilimi ve Mühendisliği
Physics / Fizik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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