A graphene resonator as an ultrasound detector for generalized Love waves in a polymer film with two level states

Antti Laitinen; Jukka-Pekka Kaikkonen; Thanniyil S. Abhilash; Igor Todoshchenko; Juuso Manninen; Vladislav Zavyalov; Alexander Savin; Andreas Isacsson; Pertti J. Hakonen

doi:10.1088/1361-6463/ab11a9

A graphene resonator as an ultrasound detector for generalized Love waves in a polymer film with two level states

Antti Laitinen, Jukka-Pekka Kaikkonen, Thanniyil S. Abhilash, Igor Todoshchenko, Juuso Manninen, Vladislav Zavyalov, Alexander Savin, Andreas Isacsson, Pertti J. Hakonen^*

^*Corresponding author for this work

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Abstract

We have investigated surface shear waves at 22 MHz in a 0.5 micron thick polymer film on a SiO2/Si substrate at low temperatures using suspended and non-suspended graphene as detectors. By tracking ultrasound modes detected by oscillations of a trilayer graphene membrane both in vacuum and in helium superfluid, we assign the resonances to surface shear modes, generalized Love waves, in the resist/silicon-substrate system loaded with gold. The propagation velocity of these shear modes displays a logarithmic temperature dependence below 1 K, which is characteristic for modification of the elastic properties of a disordered solid owing to a large density of two level state systems. For the dissipation of the shear mode, we find a striking logarithmic temperature dependence, which indicates a basic relation between the speed of the surface wave propagation and the mode dissipation.

Original language	English
Article number	24LT02
Pages (from-to)	1-7
Number of pages	7
Journal	Journal of Physics D - Applied Physics
Volume	52
Issue number	24
DOIs	https://doi.org/10.1088/1361-6463/ab11a9
Publication status	Published - 4 Apr 2019
MoE publication type	A1 Journal article-refereed

Keywords

graphene
Love wave
shear mode
LOR
low temperatures
two level system
TUNNELING-STATES
GLASSES
LAYER

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10.1088/1361-6463/ab11a9

A graphene resonator as an ultrasound detector for generalized Love waves in polymer film with two level statesAccepted author manuscript, 697 KB

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4 Active

EMP: European Microkelvin Platform
Hakonen, P.
01/01/2019 → 31/12/2022
Project: EU: Framework programmes funding
BOLOSO: Ultrasensitive bolometers for security applications
Tomi, M., Hakonen, P., Suresh, K., Zeng, W., Perelshtein, M., Kamada, M., Manninen, J., Kumar, M. & Will, M.
01/01/2018 → 31/12/2021
Project: Academy of Finland: Other research funding
1/f noise
Thanniyil Sebastian, A., Will, M., Hakonen, P., Sarkar, J., Haque, M., Perelshtein, M. & Kamada, M.
01/09/2017 → 31/08/2021
Project: Academy of Finland: Other research funding

OtaNano
Anna Rissanen (Manager)
Aalto University
Facility/equipment: Facility
OtaNano – Low Temperature Laboratory
Pertti Hakonen (Manager)
Department of Applied Physics
Facility/equipment: Facility

Cite this

Laitinen, Antti ; Kaikkonen, Jukka-Pekka ; Abhilash, Thanniyil S. ; Todoshchenko, Igor ; Manninen, Juuso ; Zavyalov, Vladislav ; Savin, Alexander ; Isacsson, Andreas ; Hakonen, Pertti J. / A graphene resonator as an ultrasound detector for generalized Love waves in a polymer film with two level states. In: Journal of Physics D - Applied Physics. 2019 ; Vol. 52, No. 24. pp. 1-7.

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abstract = "We have investigated surface shear waves at 22 MHz in a 0.5 micron thick polymer film on a SiO2/Si substrate at low temperatures using suspended and non-suspended graphene as detectors. By tracking ultrasound modes detected by oscillations of a trilayer graphene membrane both in vacuum and in helium superfluid, we assign the resonances to surface shear modes, generalized Love waves, in the resist/silicon-substrate system loaded with gold. The propagation velocity of these shear modes displays a logarithmic temperature dependence below 1 K, which is characteristic for modification of the elastic properties of a disordered solid owing to a large density of two level state systems. For the dissipation of the shear mode, we find a striking logarithmic temperature dependence, which indicates a basic relation between the speed of the surface wave propagation and the mode dissipation.",

keywords = "graphene, Love wave, shear mode, LOR, low temperatures, two level system, TUNNELING-STATES, GLASSES, LAYER",

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A graphene resonator as an ultrasound detector for generalized Love waves in a polymer film with two level states. / Laitinen, Antti; Kaikkonen, Jukka-Pekka; Abhilash, Thanniyil S.; Todoshchenko, Igor ; Manninen, Juuso; Zavyalov, Vladislav; Savin, Alexander; Isacsson, Andreas; Hakonen, Pertti J.

In: Journal of Physics D - Applied Physics, Vol. 52, No. 24, 24LT02, 04.04.2019, p. 1-7.

Research output: Contribution to journal › Article › Scientific › peer-review

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AU - Laitinen, Antti

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AU - Todoshchenko, Igor

AU - Manninen, Juuso

AU - Zavyalov, Vladislav

AU - Savin, Alexander

AU - Isacsson, Andreas

AU - Hakonen, Pertti J.

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KW - graphene

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A graphene resonator as an ultrasound detector for generalized Love waves in a polymer film with two level states

Abstract

Keywords

Access to Document

EMP: European Microkelvin Platform

BOLOSO: Ultrasensitive bolometers for security applications

1/f noise

OtaNano

OtaNano – Low Temperature Laboratory

Cite this