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SUMMARY:Growth of III-V nanowires: from fundamental physics to device appl
 ications
DTSTART:20140414T131500
DTSTAMP:20260930T211705Z
UID:272ab5e942e1e7f5eff83e2c88a217e15df357ba3ede2d09fc67f5b5
CATEGORIES:Conferences - Seminars
DESCRIPTION:Lucia Sorba\, CNR NANO NEST\, Pisa\, Italy\nThe catalyst-assis
 ted growth of semiconductor nanowires has emerged as a flexible and promis
 ing technology for the synthesis of self-assembled nanostructures with pot
 ential impact on the investigation of fundamental properties and on the de
 velopment of innovative devices. Different materials can be easily combine
 d in individual high-quality single crystal nanowires without latticematch
 ing constrains. Axial and radial heterostructured nanowires have been real
 ized combining semiconductor materials with suitable physical properties. 
 As a consequence\, nanowire technology represents a powerful research and 
 development platform for fundamental physics investigations as well as for
  scalable electronics and photonics applications.\nIn the first part of my
  presentation I will show examples for the realization of axial and radial
  heterostructured nanowires with controlled morphology and crystal structu
 re.  Next I will show the use of nanowire technology in the development o
 f thermoelectric devices. I will show recent results on thermovoltages in 
 single InAs nanowire field effect transistors.\nBio: After studying physic
 s in Rome at the University “La Sapienza”\, Lucia Sorba was post-doc a
 t the Fritz Haber Institute in Berlin\, before she became CNR scientist in
  Rome and then in Trieste. After two years as a visiting scientist at the 
 Walter Schottky Institut in Munich she became associate professor at the U
 niversity of Modena and then at Scuola Normale Superiore in Pisa. Presentl
 y she is Director of the Istituto Nanoscienze-CNR in Pisa. She is responsi
 ble of growth activities in Pisa (Nanowire growth by CBE) and Trieste (hig
 h mobility III-V MBE). \nSelected recent publications:\nA. Li\, N. V. Sib
 irev\, D. Ercolani\, V. G. Dubrovskii\, and L. Sorba\, Readsorption Assist
 ed Growth of InAs/InSb Heterostructured Nanowire\nArrays\, Cryst Growth De
 s 13\, 878–882 (2013).S. Funk\, A. Li\, D. Ercolani\, M. Gemmi\, L. Sorb
 a\, and I. Zardo\, Crystal phase induced bandgap modifications in AlAs nan
 owires probed by resonant Raman scpectroscopy\, ACS Nano 7\, 1400- 1407 (2
 013).\nS. Roddaro\, D. Ercolani\, M. A. Safeen\, S. Suomalainen\, F. Rosse
 lla\, F. Giazotto\, L. Sorba\, and F.  Beltram\, Giant Thermovoltage in S
 ingle InAs Nanowire Field-Effect Transistors Nano Lett 13\, 3638-3642 (201
 3).
LOCATION:MXF 1 https://plan.epfl.ch/?room==MXF%201
STATUS:CONFIRMED
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