Porosity dependence of the acoustic longitudinal velocity inheavily doped P++ porous silicon layers

Gazimagomed N Aliev; Bernhard Goller; Dmitry Kovalev; Paul Snow

doi:10.1002/pssc.200881102

Porosity dependence of the acoustic longitudinal velocity inheavily doped P⁺⁺ porous silicon layers

Gazimagomed N Aliev, Bernhard Goller, Dmitry Kovalev, Paul Snow

Research output: Contribution to journal › Article

9 Citations (Scopus)

Abstract

The longitudinal acoustic velocity for 1 GHz waves propagating along the 100 direction in p⁺⁺ porous silicon layers has been measured using an acoustic wave transmission technique. The velocities obtained are significantly higher than those previously observed for p⁺ samples. The porosity dependence is measured to be V-L = 8.43 (1 - P)^0.58 km/s, where V-L is longitudinal velocity and P is porosity. The low value of the exponent (0.58) is an indication of a relatively well-ordered pore structure.

Original language	English
Pages (from-to)	1670-1674
Number of pages	5
Journal	Physica Status Solidi (C)
Volume	6
Issue number	7
DOIs	https://doi.org/10.1002/pssc.200881102
Publication status	Published - Jul 2009
Event	6th International Conference on Porous Semiconductors Science and Technology - Mallorca, Spain Duration: 10 Mar 2008 → 14 Mar 2008

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Projects

1 Finished

SOUND-LIGHT INTERACTIONS IN SPATIALLY PERIOD NANOPOROUS SILI CON STRUCTURES

Snow, P., Birks, T. & Russell, P. S.

Engineering and Physical Sciences Research Council

5/09/05 → 4/02/10

Project: Research council

Cite this

Aliev, G. N., Goller, B., Kovalev, D., & Snow, P. (2009). Porosity dependence of the acoustic longitudinal velocity inheavily doped P⁺⁺ porous silicon layers. Physica Status Solidi (C), 6(7), 1670-1674. https://doi.org/10.1002/pssc.200881102

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abstract = "The longitudinal acoustic velocity for 1 GHz waves propagating along the 100 direction in p++ porous silicon layers has been measured using an acoustic wave transmission technique. The velocities obtained are significantly higher than those previously observed for p+ samples. The porosity dependence is measured to be V-L = 8.43 (1 - P)0.58 km/s, where V-L is longitudinal velocity and P is porosity. The low value of the exponent (0.58) is an indication of a relatively well-ordered pore structure.",

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AB - The longitudinal acoustic velocity for 1 GHz waves propagating along the 100 direction in p++ porous silicon layers has been measured using an acoustic wave transmission technique. The velocities obtained are significantly higher than those previously observed for p+ samples. The porosity dependence is measured to be V-L = 8.43 (1 - P)0.58 km/s, where V-L is longitudinal velocity and P is porosity. The low value of the exponent (0.58) is an indication of a relatively well-ordered pore structure.

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