Statistics – Applications
Scientific paper
Jan 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aipc..387..813c&link_type=abstract
AIP Conference Proceedings, Volume 387, pp. 813-818 (1997).
Statistics
Applications
1
Photodetectors, Radiation Treatment
Scientific paper
Pyroelectric infrared (IR) detectors have the advantages of wavelength independent sensitivity, high radiation hardness, and especially, ambient temperature operation which eliminates cooling requirements. The utilization of pyroelectric thin films has a prospect of delivering lightweight, compact, high radiation hardness and low power infrared detecting and imaging systems with reduced overall weight for space applications. Pb(Zr,Ti)O3 (PZT) and (Mn,Sb) doped PZT (PMSZT) thin films have been grown by means of pulsed laser deposition on the top of YBa2Cu3O7-x (YBCO) conducting oxide electrodes on LaAlO3 (100) (LAO) substrates for IR detecting applications. The pyroelectric coefficients of the PMSZT films approached 12.7×10-8 C/cm2.K with detector sensitivities at ~2×108 cm.Hz1/2/W for detector structures composed of 500 nm PMSZT films grown on 200 nm YBCO conducting oxide electrodes deposited on LAO substrates. These sensitivities are the highest reported for uncooled pyroelectric detectors in a planar structure.
Chen Yen-Sen
Dordevic S.
Fan Jianhua
Ignatiev Alex
Liu Danmin
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