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Laboratory of Condensed Matter Physics
Welcome to SPEC!
We are the Condensed Matter Physics laboratory of IRAMIS (Saclay Institute for Radiation and Matter), a part of the French National Atomic Energy Commission (CEA: Commissariat à l'Energie Atomique) in Saclay, France.
SPEC is also "Unité de Recherche Associée" with the CNRS : URA CNRS 2464.
At SPEC, we strive to be at the forefront of fundamental Condensed Matter Physics Research. Our research interests encompass a wide variety of subject matters ranging from nano-to macro-scopic scales and from the most fundamental aspects of science to applications, patents and technology transfer.
Director: François Daviaud
Deputy Director: Patrice roche
Directions to our lab (l'Orme de Merisiers).
This just in!
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Etienne Klein from LARSIM has been elected to "l'Académie des Technologies".
SPEC sends our heartfelt congratulation to Etienne. (12/2012) |
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The Jacques Herbrand prize (Prix de physique, Grand Prix de l'Académie des Sciences) was awarded to Patrice Bertet from Quantronique lab. This prize recognizes young researchers who has made significant contribution to the advancement in physical sciences and/or in civilian applications. Congratulations Patrice!! (11/2012) |
Research Activities
The SPEC is organized in 11 groups with scientific activities developing along 5 main research themes. To find out more please visit our research themes page and/or click on groups of your interests found below.
Labs in SPEC
Past Research Activity Reports
Our 10 most recent publications
Scientific and Technological Collaborations
SPEC is involved in many collaborations, within the CEA and at the national and international levels: examples of our past and present collaboration research projects.
Outreach Program
SPEC participates in numerous public outreach prgorams. Quantronique et SPHYNX were present at the "Journées Portes Ouvertes Internes - 60 ans de Saclay (Internal Open House- Sacaly 60 years anniversary" in October 2012 to share their research acitivities with the public.
12-04-2005 (468)
Research topics
Research groups / Laboratories
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L.E.M.
The Laboratory for Molecular Electronics (LEM) develops academic research on fondamentals of nanoelectronics. The multidisciplinary team gathers about twelve researchers studying nano-objects (small molecules, biomolecules, graphene, ... More » |
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CAPMAG gathers laboratories of the CEA/DRECAM working in the field of the nanomagnetism. The principal research topics of Capmag are: - Epitaxial growth of magnetic oxides - Spin-polarized transport in artificial structures - Dynamics and high frequency noise in small magnetic structures - ... More » |
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The Nanoelectronics group includes both experimental and theoretical activities on the quantum properties of nano-conductors and 2D electronic systems. The group is member of a close collaboration between the SPEC (Service de l'Etat Condensé - Laboratory of Condensed Matter ... More » |
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GQ
WELCOME TO QUANTRONICS ! BIENVENUE DANS LE GROUPE QUANTRONIQUE ! ENTER - ENTREZ ! |
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Systèmes Physiques Hors-équilibres hYdrodynamiques éNergie et compleXité
WELCOME TO SPHYNX HOMEPAGE
PhD thesis defense of Baudouin SAINTYVES
"Elastic fingering in soft solids and viscoelastic materials"
place: Amphitheater Langevin, l'ESPCI
time: February 18, 2013 at ... More » |
Technique fields
Headlines
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23-11-2011
K. Katsuyoshi, D. L'Hôte, S. Nakamae, M. Konczykowski, V. Mosser
Le théorème de fluctuation-dissipation, reliant l'intensité des fluctuations d'une observable à la réponse à une sollicitation, est un principe vérifié pour tous les systèmes à l'équilibre ... More » |
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18-07-2011
( Version française)
Stress corrosion - combined action of mechanical stress and corrosion by water from the surrounding atmosphere - is often the cause of crack propagation in glasses. A study by neutron reflectivity at the Laboratoire Léon Brillouin ... More » |
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19-04-2011
Measurement of the cardiac electrical activity allows following the heart dynamics. Usually measured with electrodes during an electrocardiogram (ECG), this activity can also be studied by monitoring the magnetic component, induced by the circulation of the heart electric currents. This is ... More » |
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16-09-2010
Eva Zakka-Bajjani, J. Dufouleur, N. Coulombel, P. Roche, D. C. Glattli, and F. Portier
( French version)
Contact: Dr. Fabien PORTIER
A conductor in equilibrium under a bias voltage shows current fluctuations proportional to its resistance and temperature. This type of noise is known as the Johnson-Nyquist noise, or equivalently, the thermal noise. In a quantum ... More » |
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14-04-2010
Benjamin Pigeau, Grégoire de Loubens, and Olivier Klein: Groupe Nanomagnétisme
In a vortex-state magnetic nanodisk, the static magnetization is curling in the plane, except in the disk center where it is pointing out-of-plane, either up (polarity p=+1) or down (p=-1). The lowest energy excitation mode of this ground state is the so-called gyrotropic mode [1], corresponding ... More » |
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30-03-2010
( Version française)
Researchers in the Instability and Turbulence Group of IRAMIS-SPEC have succeeded in experimentally characterizing the non linear mechanical response of an amorphous granular media across the jamming transition. They have demonstrated that global rigidity sets in ... More » |
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26-11-2009
H. Cao, A. Gukasov, I. Mirebeau, P. Bonville, C. Decorse, and G. Dhalenne
In geometrically frustrated magnetic compounds, the ground state is the result of a subtle equilibrium between different energy terms. Exotic short range magnetic orders, like spin ices or spin liquids, may be stabilised, in the absence of any chemical disorder. Presently, many ... More » |
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17-11-2009
Making still smaller and less power consuming digital memories for mobile electronics? Scientists from CNRS and University Paris Sud XI (Laboratory of Solid State Physics, CNRS / Univ. Paris-Sud 11 and Institut Néel) and CEA-IRAMIS come to demonstrate the feasibility, thanks to ... More » |
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13-10-2009
Iouri Mukharsky, Andrei Penzev and Eric Varoquaux, Nanoeletronics group
If it truly does exist, a "supersolid" would represent a new state of matter that combines mechanical rigidity and superfluid properties. This would be a new phase of condensed matter, but whether such a state has indeed been discovered and how it can be reached is still far from clear. As reported ... More » |
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30-09-2009
F. Mallet, F. Ong, A. Palacios, F. Nguyen, P. Bertet, Denis Vion and D. Esteve
After the realization in 2002 of one of the first solid state quantum bits (qubits), scientists from the Quantronique IRAMIS-SPEC research group have performed a further step towards the realization of an elementary quantum processor: the accurate and non destructive readout of such a ... More » |
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25-06-2009
Single molecule magnets grafted on carbon nanotubes : the first of its kind has been realized at the Molecular Chemistry and Materials Institute in Orsay (CNRS/University of Paris 11) in collaboration with the Institut Lavoisier de Versailles (CNRS/Université de Versailles ... More » |
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09-06-2009
( Version française)
We thought we knew transistor physics fairly well and in particular the millions of MOSFETs (Metal Oxyde Semi-conducteur Field Effect Transistor) which can be found at the core of our computers. However, as early as 1994, a new generation of very high mobility ... More » |
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19-12-2008
H. le Sueur, P. Joyez, H. Pothier, C. Urbina, and D. Esteve
The Editors of the journal Physical Review Letters recently awarded the label "Editor's suggestion" to an article from the Quantronics group of SPEC (Laboratory of Condensed Matter Physics) : "Phase Controlled Superconducting Proximity Effect Probed by Tunneling ... More » |
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16-04-2008
Delphine Lebeugle, Dorothée Colson, Anne Forget, Michel Viret (IRAMIS/SPEC CEA-Saclay) Arsen Goukassov, Alexandre Bataille (IRAMIS/LLB CEA-Saclay)
Magnetic materials are heavily used in the dynamic storage of information (hard disk drive, head for reading). For these applications, they are ... More » |
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25-09-2007
Le mélange des fluides très visqueux intervient dans de nombreux procédés industriels, mais est également présent dans la vie courante. Pour mélanger une pâte à gâteau, par exemple, un enfant va intuitivement remuer les ingrédients avec une cuillère. Une équipe regroupant des scientifiques du ... More » |
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27-06-2007
Researchers at the Institute of Electronics, Microelectronics and Nanotechnologie (IEMN / CNRS – Universités Lille 1 and Valenciennes, Institut supérieur de l’électronique et du numérique-ISEN) and the Solid-state Physics Division at the French ... More » |
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08-06-2007
Nuclear magnetic resonance (NMR) is an indispensable technique for studying matter. It can be applied to medical imaging (MRI) to obtain 2D and 3D images of the human body. While it opens the door to a wealth of physicochemical information by harnessing the fundamental properties of matter, NMR ... More » |
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28-03-2007
M.-A. Dubois1, L. H. Emmons2, L. Cournac3, P. Chatelet4, N. C. A. Pitman5, V. Vilca5, & L.-F. del Aguila6
1CEA Saclay, DSM/DRECAM/Service de Physique de l ’Etat Condensé, L ’Orme des Merisiers, 91191 Gif sur Yvette, France
2Department of Zoology NHB 390 MRC 108, Smithsonian Institution, P.O.Box 37012,Washington, DC 20013-7012 USA
3CEA Cadarache, DSV/DEVM/Laboratoire d ... More » |
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07-02-2007
M. Roger1, D.J.P Morris2, D.A. Tennant3,4, M.J. Gutmann5, J.P. Goff2, J.-U. Hoffmann3, R. Feyerherm3, E. Dudzik3, D. Prabhakaran6, A.T. Boothroyd6, N. Shannon7, B. Lake3,4 & P.P. Deen8.
1Service de Physique de l’Etat Condensé (CNRS/MIPPU/URA 2464), DSM/DRECAM/SPEC, CEA Saclay, ... More » |
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27-01-2007
A. Chiffaudel, F. Daviaud, B. Dubrulle, C. Gasquet, R. Monchaux, V. Padilla, avec la participation de L. Marié et F. Ravelet, DSM/DRECAM/SPEC
Collaboration VKS : CEA – ENS Lyon – ENS Paris - Many research teams aim at understanding of the origin and behavior of the magnetic field of planets and stars. The VKS1 collaboration (gathering researchers at CEA, CNRS, Ecoles normales supérieures in Lyon and Paris) has succeeded in generating a magnetic field from a highly turbulent ... More » |
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07-08-2006
J. Gabelli1, G. Fève1, J.-M. Berroir1, B. Plaçais1, A. Cavanna2, B. Etienne2, Y. Jin2, D. C. Glattli1,3
A mixed team from ENS / CNRS / CEA-Saclay (SPEC) of the Pierre Aigrain Laboratory has for the first time highlighted the remarkable behavior of an electronic circuit when its miniaturization is extreme. These results are published in the journal Science. Researchers have shown that the basic ... More » |
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