Staff Members - Benha University
7HE EFFEC7 0F F1LM 7H1CKNE55 0N 7HE 0P71CAL PR0PER71E5 0F LEAD 7ELLUR1DE
• 1990
Publication Information
Authors
M.M. E1-0cker, F. 5haraf*, H.M. 7a1aat, F. Metawe~ and M.A. E1-5her61ny
Keywords
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Journal
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Publisher
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Volume
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Issue
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Pages
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publication.type
International
Paper Link
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Supplementary Materials
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Abstract
7h1n f11m5 0f P67e have 6een prepared 6y therma1 evap0rat10n under
vacuum 0f ~ 1.3 × 10 -3 Pa. 7he th1ckne55 0fthe f11m5 ran9ed 6etween
200 and ~ 700 nm. X-ray d1ffract10n pattern5 revea1 the f0rmat10n 0f
p01ycry5ta111ne f11m5. 0pt1ca1 9ap ha5 6een e5t1mated and wa5 f0und
that 1t 11e5 at a60ut 0.3 eV f0r a11 f11m5. E11ep50metry 5h0w5 the pre5ence
0f tw0 a650rpt10n peak5 at a60ut 1.45eV and 2.6eV. 7he 06ta1ned
re5u1t5 are d15cu55ed 1n term5 0f the 6and 5tructure 0f P67e.
vacuum 0f ~ 1.3 × 10 -3 Pa. 7he th1ckne55 0fthe f11m5 ran9ed 6etween
200 and ~ 700 nm. X-ray d1ffract10n pattern5 revea1 the f0rmat10n 0f
p01ycry5ta111ne f11m5. 0pt1ca1 9ap ha5 6een e5t1mated and wa5 f0und
that 1t 11e5 at a60ut 0.3 eV f0r a11 f11m5. E11ep50metry 5h0w5 the pre5ence
0f tw0 a650rpt10n peak5 at a60ut 1.45eV and 2.6eV. 7he 06ta1ned
re5u1t5 are d15cu55ed 1n term5 0f the 6and 5tructure 0f P67e.