We report I–V curves of quasi one-dimensional charge-density wave (CDW) conductors under simultaneous impacts of rf voltage at two frequencies, F and f, with F ≫ f. We find that each Shapiro step (ShS) induced by F-irradiation behaves as a “host” surrounded with “satellites” induced by f-irradiation, e.g., by ShSs at the CDW currents corresponding to F ± f. The subharmonic “hosts” are surrounded with subharmonic “satellites,” e.g., by ShSs at the CDW currents corresponding to F/2 ± f/2. The hosts and satellites show oscillations of their widths as a function of rf amplitude. We demonstrate that each satellite can be treated as a conventional ShS, if its host ShS is taken as a reference point at which the CDW is resting. Thus, with the help of rf irradiation one can emulate CDW samples with tunable threshold voltages and extremely coherent sliding modes.
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21 June 2021
Research Article|
June 23 2021
RF wave mixing with sliding charge-density waves
Special Collection:
Charge-Density-Wave Quantum Materials and Devices
S. A. Nikonov
;
S. A. Nikonov
Kotelnikov Institute of Radioengineering and Electronics of RAS
, 125009 Moscow, Russia
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S. G. Zybtsev;
S. G. Zybtsev
Kotelnikov Institute of Radioengineering and Electronics of RAS
, 125009 Moscow, Russia
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V. Ya. Pokrovskii
V. Ya. Pokrovskii
a)
Kotelnikov Institute of Radioengineering and Electronics of RAS
, 125009 Moscow, Russia
a)Author to whom correspondence should be addressed: [email protected]
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a)Author to whom correspondence should be addressed: [email protected]
Note: This paper is part of the APL Special Collection on Charge-Density-Wave Quantum Materials and Devices.
Appl. Phys. Lett. 118, 253108 (2021)
Article history
Received:
March 26 2021
Accepted:
June 04 2021
Citation
S. A. Nikonov, S. G. Zybtsev, V. Ya. Pokrovskii; RF wave mixing with sliding charge-density waves. Appl. Phys. Lett. 21 June 2021; 118 (25): 253108. https://doi.org/10.1063/5.0051636
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