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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.

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

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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