DOI: 10.1063/1.90861. Ge : Ga photoconductors in low infrared backgrounds

Ge : Ga photoconductors in low infrared backgrounds

10.1063/1.90861

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We report the development of infrared photoconductive detectors which are background fluctuation noise limited at photon fluxes ≲108 s−1. The detectors were fabricated from germanium doped with 2×1014 cm−3 gallium. Detectors operated in the conventional manner at T=3 K showed significant photoconductive response for wavelengths out to 120 μm with a minimum NEP of 2.4×10−17 W Hz−1/2 at 94 μm. Detectors operated at T=2 K with a uniaxial stress of 60 kgf mm−2 applied along a [100] direction showed significant response to 205 μm and gave a minimum NEP of 5.7×1017 W Hz−1/2 at ≈150 μm. The stressed detectors are four orders of magnitude more sensitive than any previous photoconductor beyond 120 μm.

Bibliography

Haller, E. E., Hueschen, M. R., & Richards, P. L. (1979). Geâ:âGa photoconductors in low infrared backgrounds. Applied Physics Letters, 34(8), 495â497.

Authors 3

E. E. Haller (first)
M. R. Hueschen (additional)
P. L. Richards (additional)

References 10 Referenced 90

10.1016/0029-554X(71)90593-3 / Nucl. Instrum. Methods (1971)
{'key': '2024020511061064800_r1a', 'first-page': '81', 'volume': 'NS-23', 'year': '1976', 'journal-title': 'IEEE Trans. Nucl. Sci.'} / IEEE Trans. Nucl. Sci. (1976)
{'key': '2024020511061064800_r2', 'first-page': '1131', 'volume': '42', 'year': '1978', 'journal-title': 'Izv. Akad. Nauk SSSR, Phys. Series'} / Izv. Akad. Nauk SSSR, Phys. Series (1978)
10.1016/0020-0891(65)90012-6 / Infrared Phys. (1965)
10.1016/0038-1098(77)90371-4 / Solid State Commun. (1977)
10.1063/1.89755 / Appl. Phys. Lett. (1977)
10.1063/1.1135046 / Rev. Sci. Instrum. (1977)
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Dates

Type	When
Created	22 years, 6 months ago (Feb. 13, 2003, 3:39 p.m.)
Deposited	1 year, 6 months ago (Feb. 5, 2024, 6:19 a.m.)
Indexed	2 weeks, 6 days ago (Aug. 6, 2025, 9:14 a.m.)
Issued	46 years, 4 months ago (April 15, 1979)
Published	46 years, 4 months ago (April 15, 1979)
Published Print	46 years, 4 months ago (April 15, 1979)

Funders 0

None

BibTeX

@article{Haller_1979, title={Ge : Ga photoconductors in low infrared backgrounds}, volume={34}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.90861}, DOI={10.1063/1.90861}, number={8}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Haller, E. E. and Hueschen, M. R. and Richards, P. L.}, year={1979}, month=apr, pages={495–497} }

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