Nanostructures, nanoComponents & Molecules

Electronic properties of molecular nanostructures • PIs : S. Lenfant, D. Vuillaume

Neuro-inspired devices (synapstor, memristor), interface with biology • PIs : F. Alibart, D. Vuillaume

Organic devices • PI : K. Lmimouni

https://www.iemn.fr/la-recherche/les-groupes/groupe-ncm

design and characterization of molecular and nanoscale electronic devices elucidation of fundamental electronic properties of these molecular and nanoscale devices study of (multi-)functional molecular devices and molecular systems exploration of new device concepts for unconventional IT

Our objectives

I. Molecular nanostructures

intermolecular interactions electron transport vs. mechanical strain electron transport at high-frequency (20 GHz)

dynamics and non linearity in molecular networks plasmon-induced isomerization

NanoParticle Self-Assembled Networks

Nanodot Molecular Junctions

J. Trasobares et al., Nano Letters (2017) J. Trasobares et al., Nature Comm. (2016) K. Smaali et al., Nanoscale (2015) N. Clément et al., Small (2011) K. Smaali et al., ACS Nano (2012)

Y. Viero et al., J. Phys. Chem. C (2015) Y. Viero et al., Adv. Func. Mater. (2018) D. Stievenard et al., Nanoscale (2018) S. Karpe et al., Chem. Comm. (2010) K. Smaali et al., ACS Nano (2010)

I. Molecular nanostructures

PolyoxometalatesMagnetic and redox signatures in the molecular junctions

X. Yi et al., J. Am. Chem. Soc. (2017)

M. Laurans et al., Nanoscale (2018)

Na25[Co9(H2O)6(OH)3(P2W15O56)3(H2N-C6H5AsO3)2]·86H2O

325 I-V traces

[PM11O39{Sn(C6H4)CuC(C6H4)N2}]3− (M = Mo, W) [H7P8W48O184]33-

3 x 8 electrons storage unit

K. Della Francesca et al., Nanoscale (2019)

Organic synapstors • Organic SYNAPSTOR (synapse

transistor) for unconventional computing and interfacing with neurons

• Reservoir Computing with an array of OECTs interacting in a common electrolyte

Memristors, atomic switches • Filamentary conducting memristors

(CBRAM, OxRAM) & atomic switches

S. Desbief et al., Organic Electronics (2015 & 2016) M. Di Lauro et al., Adv. Electron. Mater. (2017) S. Pecqueur et al., Org. Electron. (2018) S. Pecqueur et al., Adv. Electron. Mater. (2018)

S. la Barbera et al., ACS Nano (2015). S. la Barbera et al., Scientific Report (2016)

II. neuro-inspired devices

reservoir computing with OECTs

12 OECTs interacting in a common electrolyte

S. Pecqueur et al., Adv. Electron. Mater. (2018)

pattern recognition <1% error

(30/12000)

OECTs made with a new in-situ

electro-generated polymer

trianglesquare

100 nA

10 nA

1 nA

triangle square

III. Organic devices

Organic memory • n-type polymer/NP/rGO double floating gate

memory • In-situ electropolymerized NP/polymer

memory and negative differential resistance

RF diode • Organic rectifier diode with very low turn-on

voltage for RF (5 GHz) energy harvesting in smart textiles applications

6

B. Hafsi et al., Organic Electronics (2017) T. Zhang et al., J. Phys. Chem. C (2017) S. Li et al., AIP Advances (2018)

K. Ferchichi et al., ICOE 2018, SPIE 2018, ElecMol 2018

• IEMN nanofab clean room • IEMN SPM plateform

Scanning probe microscopes

STM, AFM, C-AFM, EFM, KPFM, 4-probes STM, … in air or in UHV at variable (4-1000 K) and low temperatures (∼1 K & SC magnet 3 T)

• Some specific equipments

Chemical synthesis Lab.NanoFab in glove-boxes

Nano-probers, electrical & electrochemical characterizations

C-AFM, KPFM, iSMM

4K electrical prober + 1T

Collaborations

P. Blanchard, J. Roncali et al. Moltech-Anjou, SCL group. CNRS & Univ. of Angers, France.

P. Leclère, Y. Olivier, J. Cornil, et al. Laboratory for Chemistry of Novel Materials, Univ. Mons, Belgium.

T. Frederiksen et al. Donostia International Physics Center, San Sebastián, Spain.

C. Krzeminski, F. Cleri IEMN, Physics group

Chemical synthesis

DFT, MD simulations

DFT (nanodot/alkyls)

Peak-force C-AFM DFT & IV simulations

A. RochefortEcole Polytechnique, Montreal, Quebec.

DFT (AzBT)

M. Calame et al. U. Basel & EMPA (Switzerland)

Graphene NPSANs

D. Théron IEMN, Nam6 group

iSMM, hf measurements

T. Martin et al. CPT, CNRS, Univ. Marseille

Theory, molecule interactions

O. Alevèque, E. Levillain Moltech-Anjou, CNRS & Univ. of Angers, France.

Electrochemistry

F. Biscarini et al. Univ. Modena et Reggio Emilia, Modena, Italy.

T. Cramer et al. ISMN-CNR, Bologna, Italy.

Organic SYNAPSTOR EGOS/neuronsO. Bichler & G. Gamrat

CEA-LIST, Saclay (France)

Neuro-Inspired devices

D. Stievenard, G. Lévêque IEMN, Physics group

Plasmonics

C.A. Nijhuis NUS, Singapore

Plasmonics

S. Yitzchaik et al. The Hebrew Univ. of Jerusalem, Israel. R. Guttierez, G. Cuniberti et al.

TU Dresden, Germany.

Chemical synthesisDFT (peptides)

O. Siri, H. Klein et al. The Hebrew Univ. of Jerusalem, Israel.

Chemical synthesis, MCBJ measurementsA. Carella, R. Demadrille et al. CEA, Grenoble, France.

Chemical synthesis

T. Mallah et al. ICMMO, Saclay, France.

Chemical synthesis

P. Seneor, R. Mattana et al. UMPhy, CNRS-Thales, France.

Mol. spintronics

A. Proust et al. IPCM, Paris, France.

Chemical synthesis P. Kögerler et al. Aachen Univ. & Peter Grünberg Institue, Germany.

Chemical synthesis

T. Melin IEMN, Physics group

UHV STM

Y. Geerts et al. U.L. Brussels, Belgium.

Chemical synthesis

NCM group

French National Nanofabrication Network

Nanosciences Characterization Center

(2008-2018)