Title :
Conductivity of nanoporous InP membranes investigated using terahertz spectroscopy
Author :
Merchant, S.K.E. ; Lloyd-Hughes, J. ; Parkinson, P. ; Herz, L.M. ; Johnston, M.B. ; Sirbu, L. ; Tiginyanu, I.M.
Author_Institution :
Dept. of Phys., Univ. of Oxford, Oxford
Abstract :
We report on extrinsic and photoexcited carrier behaviour in porous InP of various porosities and two orientations, studied using terahertz spectroscopy. We observed behaviour indicative of a surface electron depletion layer resulting from bandbending.
Keywords :
III-V semiconductors; indium compounds; membranes; nanoporous materials; photoconductivity; photoexcitation; porosity; porous semiconductors; terahertz wave spectra; time resolved spectra; InP; bandbending; nanoporous membranes; nanoporous semiconductors; photoexcitation; porosity; surface electron depletion layer; terahertz spectroscopy; time-resolved photoconductivity; Biomembranes; Conductivity; Electrons; Frequency; Indium phosphide; Laboratories; Nanoporous materials; Photoconductivity; Spectroscopy; Time domain analysis;
Conference_Titel :
IEEE Lasers and Electro-Optics Society, 2008. LEOS 2008. 21st Annual Meeting of the
Conference_Location :
Acapulco
Print_ISBN :
978-1-4244-1931-9
Electronic_ISBN :
978-1-4244-1932-6
DOI :
10.1109/LEOS.2008.4688815
