Sebastian VOLZ, Dr.

 limms_Volz.jpg Host Laboratory KIM LAB.
Position in LIMMS CNRS Research (from2008)
Main  Research Topic in LIMMS NANOTECH - Surface Phonon Polariton Heat Transfer
Contact LIMMS/CNRS-IIS (UMI 2820)
Institute of Industrial Science, The University of Tokyo, 4-6-1 Komba, Meguro-ku, Tokyo 153-8505, Japan
Phone:+81 (0)3 5452 6036 / Fax:+81 (0)3 5452 6088
E-mail volz at iis.u-tokyo.ac.jp
Download icon_pdf.gifAbstract2010_SVolz.pdf

Resume

Short resume :
2016-Present CNRS Senior Research Fellow at the University of Tokyo
Laboratory of Integrated Micro Mechatronic Systems - CNRS-IIS (LIMMS)
2010-2016 CNRS Senior Research Fellow at Ecole Centrale Paris
Laboratoire d’Energétique Moléculaire et Macroscopique, Combustion (EM2C)
2008-2010 CNRS Senior Research Fellow at the University of Tokyo (LIMMS)
2002-2007 CNRS Research Fellow at Ecole Centrale Paris (EM2C)
1998-2002 Associate Professor at the National Engineering School of Mechanics and Aerotechnics (ENSMA)
Laboratoire d’Etudes Thermiques

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Research Projects in Limms

1- Surface Phonon Polariton Heat Transfer
Context :
Surface Phonon Polaritons (SPP) are surface waves produced by the coupling of atomic vibrations with the electromagnetic field. Because they are monochromatic waves in the Infra-Red, SPP might be able to provide monochromatic sources just based on simple heating. At ambient temperatures, they also might produce abnormal heat conduction phenomena related to ballistic regimes of transport and to wave confinement usually observed at ultra-low temperatures.
Those waves are strongly enhanced when they couple between themselves. This was proven by recent measurements of the heat flux between a microsphere and a hot surface[1]. Considering heat transfer in the propagative direction of SPPs, quite recent works have tried to show heat conduction improvement in nanofilms [2]. But the coupling is not favoured in this configuration because the film is dissipating the electromagnetic energy and the coupling distance is too small, i.e. in the nanometer scale.
Methods :
We are designing a microstructure that allows for strongly enhancing the coupling between SPPs and have started experimental works to prove their contribution to heat conduction. 
Results :
The first theoretical results reveal a very strong enhancement of the Free Path depending on the structure dimensions as shown in Figure 1.
References :
[1] ]  E. Rousseau, A. Siria, G. Jourdan, S. Volz, F. Comin, .l Chevrier and J.-J. Greffet, Nature Photonics, 3, 514, 2009.
[2] D.-Ze A Chen, A. Narayanaswamy, G. Chen, Phys Rev B, 72, 155435, 2005.

Main publication List (papers, conferences and patent)

2013

Journals
Conferences

2012

Journals
Conferences

2011

Journals
Conferences

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