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Ultra-Cold Nano-Mechanics: from Classical to Quantum Complexity

Total Cost €


EC-Contrib. €






 ULT-NEMS project word cloud

Explore the words cloud of the ULT-NEMS project. It provides you a very rough idea of what is the project "ULT-NEMS" about.

fabricated    laws    nonlinear    superfluid    harmonic    first    electric    combination    exotic    superconducting    motion    sensed    measuring    microwaves    experimental    place    attained    probed    all    building    transducers    axes    conventional    interaction    cold    actuated    constitutive    probes    majorana    pushing    potentially    particles    mechanics    either    worlds    small    3he    detected    ultra    sensor    scientific    leads    nano    molecular    engineered    behave    materials    intimately    nems    tunneling    objects    arise    topological    electro    themselves    amorphous    extremely    originating    linear    bit    circuits    dynamics    mechanical    confined    electrical    freedom    temperature    degrees    physics    temperatures    intrinsic    sophisticated    macroscopic    instead    techniques    fluid    intriguing    model    friction    arrangement    position    tackling    excitations    link    exist    truly    elusive    linking    boundary    complementarily    viewed    elementary    fundamental    mechanically    exhibit    basic    retrenchments    situation    forces    circuit    hybrid    questions    quantum    microelectronics    crossover   

Project "ULT-NEMS" data sheet

The following table provides information about the project.


Organization address
address: RUE MICHEL ANGE 3
city: PARIS
postcode: 75794

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country France [FR]
 Total cost 1˙990˙574 €
 EC max contribution 1˙990˙574 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2014-CoG
 Funding Scheme ERC-COG
 Starting year 2015
 Duration (year-month-day) from 2015-11-01   to  2020-10-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Nano-electro-mechanical devices (NEMS) are extremely small objects that can be actuated and detected by electric means. They are in the first place transducers that can be used as probes for forces down to the molecular level. Top-down fabricated NEMS using conventional microelectronics techniques are simple devices that intimately link mechanical and electrical degrees of freedom. As such, they can be viewed as model systems from basic (linear) harmonic motion up to complex nonlinear dynamics.

The most intriguing experimental situation is attained when the devices are cold enough to behave according to the laws of quantum mechanics, instead of classical physics. This leads to a unique approach of the classical-to-quantum crossover with truly macroscopic position-states. Complementarily, at low temperatures the forces sensed by the NEMS arise from materials themselves cold enough to exhibit exotic quantum properties, originating either in the devices’ constitutive amorphous materials and their intrinsic elusive Tunneling Systems, or from their interaction with a sophisticated fluid like superfluid 3He.

I propose unique research linking ultra-low temperature physics and nano-mechanics, building on my knowledge of both fields and my experience in superconducting quantum circuits. The research has two identified axes, which aim at pushing both the “sensor” and “model system” aspects of NEMS down to their quantum retrenchments. Macroscopic quantum position-states can be engineered with a hybrid quantum circuit arrangement (a combination of NEMS, microwaves and quantum bit), while topological states of confined superfluid 3He with their elementary excitations can be mechanically probed by dedicated NEMS (measuring friction). The scientific impact of this research is extremely wide, tackling fundamental questions like: what/where is the boundary between quantum and classical worlds, and do Majorana particles (potentially obtained in topological 3He) exist at all?


year authors and title journal last update
List of publications.
2019 A. M. Guénault, A. Guthrie, R. P. Haley, S. Kafanov, Yu. A. Pashkin, G. R. Pickett, M. Poole, R. Schanen, V. Tsepelin, D. E. Zmeev, E. Collin, O. Maillet, R. Gazizulin
Probing superfluid He 4 with high-frequency nanomechanical resonators down to millikelvin temperatures
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.100.020506
Physical Review B 100/2 2020-04-24
2019 D. Schmoranzer, A. Luck, E. Collin, A. Fefferman
Cryogenic broadband vibration measurement on a cryogen-free dilution refrigerator
published pages: 102-106, ISSN: 0011-2275, DOI: 10.1016/j.cryogenics.2019.01.010
Cryogenics 98 2020-04-24
2019 David Schmoranzer, Rasul Gazizulin, Sébastien Triqueneaux, Eddy Collin, Andrew Fefferman
Development of a Sub-mK Continuous Nuclear Demagnetization Refrigerator
published pages: 261-267, ISSN: 0022-2291, DOI: 10.1007/s10909-018-02128-9
Journal of Low Temperature Physics 196/1-2 2020-04-24
2019 X. Zhou, D. Cattiaux, R. R. Gazizulin, A. Luck, O. Maillet, T. Crozes, J.-F. Motte, O. Bourgeois, A. Fefferman, E. Collin
On-chip Thermometry for Microwave Optomechanics Implemented in a Nuclear Demagnetization Cryostat
published pages: , ISSN: 2331-7019, DOI: 10.1103/PhysRevApplied.12.044066
Physical Review Applied 12/4 2020-04-24
2019 David Schmoranzer, Sumit Kumar, Annina Luck, Eddy Collin, Xiao Liu, Thomas Metcalf, Glenn Jernigan, Andrew Fefferman
Observations on Thermal Coupling of Silicon Oscillators in Cryogen-Free Dilution Refrigerators
published pages: 268-274, ISSN: 0022-2291, DOI: 10.1007/s10909-018-02122-1
Journal of Low Temperature Physics 196/1-2 2020-04-24
2020 A. M. Guénault, A. Guthrie, R. P. Haley, S. Kafanov, Yu. A. Pashkin, G. R. Pickett, V. Tsepelin, D. E. Zmeev, E. Collin, R. Gazizulin, O. Maillet
Detecting a phonon flux in superfluid He 4 by a nanomechanical resonator
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.101.060503
Physical Review B 101/6 2020-04-24
2019 Tuyen Nguyen, Adib Tavakoli, Sebastien Triqueneaux, Rahul Swami, Aki Ruhtinas, Jeremy Gradel, Pablo Garcia-Campos, Klaus Hasselbach, Aviad Frydman, Benjamin Piot, Mathieu Gibert, Eddy Collin, Olivier Bourgeois
Niobium Nitride Thin Films for Very Low Temperature Resistive Thermometry
published pages: 348-356, ISSN: 0022-2291, DOI: 10.1007/s10909-019-02222-6
Journal of Low Temperature Physics 197/5-6 2020-04-24
2017 Andrew Fefferman, Ana Maldonado, Eddy Collin, Xiao Liu, Tom Metcalf, Glenn Jernigan
Elastic Measurements of Amorphous Silicon Films at mK Temperatures
published pages: 654-660, ISSN: 0022-2291, DOI: 10.1007/s10909-016-1686-6
Journal of Low Temperature Physics 187/5-6 2019-06-06
2018 R. R. Gazizulin, O. Maillet, X. Zhou, A. Maldonado Cid, O. Bourgeois, E. Collin
Surface-Induced Near-Field Scaling in the Knudsen Layer of a Rarefied Gas
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.120.036802
Physical Review Letters 120/3 2019-06-06
2018 Olivier Maillet, Xin Zhou, Rasul R. Gazizulin, Rob Ilic, Jeevak M. Parpia, Olivier Bourgeois, Andrew D. Fefferman, Eddy Collin
Measuring Frequency Fluctuations in Nonlinear Nanomechanical Resonators
published pages: 5753-5760, ISSN: 1936-0851, DOI: 10.1021/acsnano.8b01634
ACS Nano 12/6 2019-06-06
2017 Olivier Maillet, Xin Zhou, Rasul Gazizulin, Ana Maldonado Cid, Martial Defoort, Olivier Bourgeois, Eddy Collin
Nonlinear frequency transduction of nanomechanical Brownian motion
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.96.165434
Physical Review B 96/16 2019-06-06
2016 O Maillet, F Vavrek, A D Fefferman, O Bourgeois, E Collin
Classical decoherence in a nanomechanical resonator
published pages: 73022, ISSN: 1367-2630, DOI: 10.1088/1367-2630/18/7/073022
New Journal of Physics 18/7 2019-06-06

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