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A ferroelectric-superconducting photodetector (1996)

Lin, H. ; Wu, N. J. ; Geiger, F. ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 80 (1996), S. 7130-7133

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Details

ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: A ferroelectric-superconducting photodetector has been developed and characterized. An atomically ordered PbZrTiO3 (PZT) ferroelectric gate was grown over a c-oriented YBa2Cu3O7−x (YBCO) high Tc superconductor substrate by excimer laser deposition. Irradiation of the PZT gate with photons near the ferroelectric gap energy resulted in a measurable change of the drain-source photocurrent with the device at a temperature near Tc of the YBCO. The critical temperature of the YBCO base was shifted up to 4 K when the PZT gate was irradiated with photon flux of wavelength from 300 to 500 nm. A responsivity of 360 A/W was measured and an upper bound on response time to optical irradiation of 100 ns was determined. © 1996 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.363733

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