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职业迁徙
个人简介
Double photoionization of molecules and Desorption Induced by Electronic Transition (DIET)
After my thesis on « Non radiative electronic transitions in molecular ions » (1982), I decided to move to the Synchrotron Radiation Center in Orsay to start exploring the high energy photophysics of molecules in the gas phase, in particular the double photoionization of molecules and the Desorption Induced by Electronic Transition (DIET). This work was motivated by the implications in astrophysics, in high energy materials and in plasma physics. Indeed, doubly charged molecular ions can store a high density of energy that can be released as kinetic energy in the fragments during dissociation.
1991-2005 : Electronic excitation of a single molecule with the scanning tunneling microscope (STM)
In 1991, I moved to the research laboratory of IBM at Yorktown (USA) as a visiting scientist. In collaboration with Ph. Avouris and R. Walkup, we performed the first experiment of electronic excitation of a single molecule by using the STM tip as an atomic-size source of electrons (published in Science, 190 citations). This ability of using inelastic interactions of electrons from the STM tip to manipulate single molecules, has led to fantastic discoveries. During this time, I coordinated 2 European networks and participated to 2 other European networks on atomic-scale STM manipulations.
1996-2010 : Atomic-scale studies of wide band gap semiconductor surfaces
In 1996, we pioneered the atomic-scale STM studies on a wide band gap semiconductor (silicon carbide) in collaboration with P. Soukiassian (5 papers published in Phys. Rev. Lett. with more than 500 citations and 3 international patents)
In 2000, we succeeded, in collaboration with K. Bobrov to perform the first atomic-scale STM studies on insulating diamond surfaces (letter to Nature (2001) and on the cover of Nature).
2002-2010 : Picometre-scale studies inside a single molecule
In 2002, I started exploring low temperature (5 K) STM atomic-scale manipulations on semiconductor surfaces. Thanks to the very high stability of the low temperature STM, localisation of the electronic excitation could be controlled inside a single molecule with a resolution of about 50 pm, i.e. well below the size of a single molecule (paper published in Science 2005, with 200 citations). This offers a new concept, based on the localization of the electronic excitation inside a single molecule, to control the molecular dynamics of a single molecule. This work has been part of 2 European networks on molecular electronics.
2007-2015 : Individual nano-objects
In 2007, I became director of the PPF (Plan Pluri Formation) of the University Paris XI « Individual Nano-Objects », clustering 11 laboratories from biology, chemistry and physics. The aim is to develop a new « hybrid » approach where an important part of the synthesis and operation of functionalized nano-objects is driven by chemistry and biology whereas physics is developing the communication with a single nano-object. During this PPF, I have been able to experience the incredible variety of functionalized nano-objects that can be designed and synthesized.
2015-2022 : Growth and properties of new 2D materials
We have developped with Hamid Oughaddou extensive researches on the growth and the properties of new 2D materials. Here the objective is to go beyond graphene and to explore new 2D electron gas material, namely silicene and phosphorene, whose properties are expected to be even more suitable than graphene for future information and communication technology (ICT).
2015-2022 : Nano-photonics and nano-plasmonics
We developped with Elizabeth Boer-Duchemin and Eric Le-Moal a novel approach of nano-photonics and nano-plasmonics by combining the scanning tunneling microscope (STM) with optical microscopy and spectroscopy. Indeed, the tunneling current beneath the tip of the STM is a source of extremely local optical excitation making it an extraordinary nano-optical tool. From this the STM is used either as a nanosource of photons, of surface plasmons or of excitons. The long term objective is the operation of new coherent sources of optical fields such as plasmon lasers or spasers (surface plasmon amplification by stimulated emission of radiation).
My current research interests are :
- Molecular electronics and Molecular nanomachines
- Nanophotonics and Nanoplasmonics
- Growth and opto-electronic properties of 2D materials
- Organic photovoltaics
- Quantum physics
- Atom-scale technologies
- Synthetic and bio-inspired nano-objects
- Nearfield microscopies
- Synchrotron radiation
研究兴趣
论文共 217 篇作者统计合作学者相似作者
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Mario Zapata-Herrera,Benoit Rogez,Sylvie Marguet,Gerald Dujardin, Elizabeth Boer-Duchemin, Eric Le Moal
PHYSICAL REVIEW Bno. 15 (2024)
ADVANCED FUNCTIONAL MATERIALSno. 21 (2023)
MATERIALS TODAY-PROCEEDINGS (2021)
Materials Today: Proceedings (2021): 1153-1156
Nature communicationsno. 1 (2021)
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作者统计
#Papers: 217
#Citation: 5918
H-Index: 42
G-Index: 64
Sociability: 6
Diversity: 3
Activity: 41
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