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SUMMARY:Probing the key electrical properties of nanowires using non-conta
 ct terahertz spectroscopy
DTSTART:20131011T103000
DTSTAMP:20260429T151101Z
UID:6cac48187bbf4653ead185b679ce690e2fb144baff7ea307e5e72379
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr. Hannah Joyce\, Cambridge University\nBio: I'm a postdoctor
 al researcher in Dr Michael Johnston's group: Oxford Terahertz Photonics. 
 Our group uses terahertz spectroscopy to investigate novel nanomaterials\,
  including nanowires and graphene.\nI'm particularly interested in semicon
 ductor nanowires (diameter 10 - 100 nm and lengths well over 1 micron). Th
 ese are made out of III-V materials\, such as GaAs\, InAs\, InP and AlGaAs
 . The excellent electronic properties of these III-V materials\, coupled w
 ith the tiny dimensions of the nanowire geometry\, make III-V nanowires ou
 tstanding candidates for future electronic and optoelectronic devices\, in
 cluding lasers and solar cells.\nIf nanowires are to be useful in future d
 evices\, we need to understand their fundamental optical and electronic pr
 operties\, such as the interaction of light with nanowires and charge carr
 ier transport within nanowires. To investigate these properties\, our lab 
 uses terahertz spectroscopy. Terahertz spectroscopy is a powerful\, non-de
 structive and contact-free technique which is ideal for nanowire character
 isation. To find out more about this research and for links to my publicat
 ions\, please visit the group's webpage.\n
LOCATION:MXC315 http://plan.epfl.ch/?lang=en&room=MXC315
STATUS:CONFIRMED
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