The growth and properties of PbS thin films, chemically deposited on bulk lead titano‐zirconate ceramics, are investigated. Scanning electron microscopy photographs reveal that the medium size of crystallites is much larger for PbS films grown on poled ferroelectric substrates than for the films grown onto glass or onto unpoled ferroelectric substrates. In the first case the medium size of crystallites is about 1–1.5 μm while in the second case it is less than 0.3 μm. Spectral distribution of photoconductivity and thermally stimulated currents (TSC) measurements were performed on all samples. Experimental results indicate that the properties of the PbS films can vary, depending on the substrate nature and in the case of poled ferroelectric substrates, on the polarity. The photoconductive signal is usually larger, the dark resistivity is smaller, and the TSC current value is higher for PbS films deposited on the positive face of the ferroelectric substrate than for those deposited on the negative face.
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1 August 1995
Research Article|
August 01 1995
Growth and characterization of PbS deposited on ferroelectric ceramics
I. Pintilie;
I. Pintilie
Institute of Physics and Technology of Materials, Bucharest‐Magurele, P.O. Box MG‐7, RO‐76900, Romania
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E. Pentia;
E. Pentia
Institute of Physics and Technology of Materials, Bucharest‐Magurele, P.O. Box MG‐7, RO‐76900, Romania
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L. Pintilie;
L. Pintilie
Institute of Physics and Technology of Materials, Bucharest‐Magurele, P.O. Box MG‐7, RO‐76900, Romania
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D. Petre;
D. Petre
Institute of Physics and Technology of Materials, Bucharest‐Magurele, P.O. Box MG‐7, RO‐76900, Romania
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C. Constantin;
C. Constantin
Institute of Physics and Technology of Materials, Bucharest‐Magurele, P.O. Box MG‐7, RO‐76900, Romania
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T. Botila
T. Botila
Institute of Physics and Technology of Materials, Bucharest‐Magurele, P.O. Box MG‐7, RO‐76900, Romania
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I. Pintilie
E. Pentia
L. Pintilie
D. Petre
C. Constantin
T. Botila
Institute of Physics and Technology of Materials, Bucharest‐Magurele, P.O. Box MG‐7, RO‐76900, Romania
J. Appl. Phys. 78, 1713–1718 (1995)
Article history
Received:
March 31 1994
Accepted:
March 21 1995
Citation
I. Pintilie, E. Pentia, L. Pintilie, D. Petre, C. Constantin, T. Botila; Growth and characterization of PbS deposited on ferroelectric ceramics. J. Appl. Phys. 1 August 1995; 78 (3): 1713–1718. https://doi.org/10.1063/1.360269
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