13-19 June 2015
University of Alberta
America/Edmonton timezone
Welcome to the 2015 CAP Congress! / Bienvenue au congrès de l'ACP 2015!

Carrier dynamics in semiconductor nanowires studied using optical-pump terahertz-probe spectroscopy

16 Jun 2015, 09:15
30m
CCIS L2-200 (University of Alberta)

CCIS L2-200

University of Alberta

Invited Speaker / Conférencier invité Division of Atomic, Molecular and Optical Physics, Canada / Division de la physique atomique, moléculaire et photonique, Canada (DAMOPC-DPAMPC) T1-10 THz science and applications (DAMOPC) / Sciences et applications des THz (DPAMPC)

Speaker

Prof. Denis Morris (Département de physique, Université de Sherbrooke)

Description

The advance of non-contact measurements involving pulsed terahertz radiation presents great interests for characterizing electrical properties of a large ensemble of nanowires. In this work, InP and Si nanowires grown by molecular beam epitaxy or by chemical vapor deposition on silicon substrates were characterized using optical-pump terahertz probe (OPTP) transmission experiments. The influence of various fabrication parameters (v.g. doping and NW diameter) on the carrier dynamics has been investigated. Photocarrier lifetimes and mobilities can be extracted from such OPTP measurements.

Primary author

Prof. Denis Morris (Département de physique, Université de Sherbrooke)

Co-authors

Mr Alexandre Beaudoin (Département de physique, Université de Sherbrooke) Mr Amaury Mavel (Institut des nanotechnologies de Lyon, France) Dr Bassem Salem (Laboratoire des technologies de la microélectronique - CNRS, France,) Dr Michel Gendry (Institut des nanotechnologies de Lyon, France) Dr Nicolas Chauvin (Institut des nanotechnologies de Lyon, France) Mrs Olésia Tutaskonko (Département de physique, Université de Sherbrooke) Dr Thierry Baron (Laboratoire des technologies de la microélectronique - CNRS, Grenoble, France)

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