Controlling I-V Hysteresis in Al/Pt Bilayer Symmetric SQUIDs at Millikelvin Temperatures

Yakovlev, Dmitry S.; Nazhestkin, Ivan A.; Ismailov, Nidzhat G.; Antonov, V. N.; Гуртовой, В. Л.

doi:10.3390/sym15020550

Cited by 4 publications

(1 citation statement)

References 53 publications

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“…Existing SP-based devices operate in the mid-infrared (IR) region [ 20 , 21 ]. A practical approach to overcome these challenges is the careful selection of the detector material [ 22 , 23 ], which can include high-temperature superconductors (HTSC) [ 24 , 25 , 26 ]. The implementation of increasingly complex heterostructures has enabled the development of ultra-sensitive detectors for longer wavelengths and lower photon energies [ 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 ].…”

Section: Introductionmentioning

confidence: 99%

Multilayer Bolometric Structures for Efficient Wideband Communication Signal Reception

Bogatskaya,

Klenov,

Popov

et al. 2024

Nanomaterials

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It is known that the dielectric layer (resonator) located behind the conducting plate of the bolometer system can significantly increase its sensitivity near the resonance frequencies. In this paper, the possibility of receiving broadband electromagnetic signals in a multilayer bolometric meta-material made of alternating conducting (e.g., silicon semiconductor) and dielectric layers is demonstrated both experimentally and numerically. It is shown that such a multilayer structure acts as a lattice of resonators and can significantly increase the width of the frequency band of efficient electromagnetic energy absorption. The parameters of the dielectric and semiconductor layers determine the frequency bands. Numerical modeling of the effect has been carried out under the conditions of our experiment. The numerical results show acceptable qualitative agreement with the experimental data. This study develops the previously proposed technique of resonant absorption of electromagnetic signals in bolometric structures.

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Section: Introductionmentioning

confidence: 99%

Multilayer Bolometric Structures for Efficient Wideband Communication Signal Reception

Bogatskaya,

Klenov,

Popov

et al. 2024

Nanomaterials

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Topological Insulator Nanowires Made by AFM Nanopatterning: Fabrication Process and Ultra Low‐Temperature Transport Properties

Yakovlev,

Frolov,

Nazhestkin

et al. 2024

Advanced Physics Research

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Topological insulator nanostructures became an essential platform for studying novel fundamental effects emerging at the nanoscale. However, conventional nanopatterning techniques, based on electron beam lithography and reactive ion etching of films, have inherent limitations of edge precision, resolution, and modification of surface properties, all of which are critical factors for topological insulator materials. In this study, an alternative approach for the fabrication of ultrathin Bi2Se3 nanoribbons is introduced by utilizing a diamond tip of an atomic force microscope (AFM) to cut atomically thin exfoliated films. This study includes an investigation of the magnetotransport properties of ultrathin Bi2Se3 topological insulator nanoribbons with controlled cross‐sections at ultra‐low 14 mK) temperatures. Current‐dependent magnetoresistance oscillations are observed with the weak antilocalization effect, confirming the coherent propagation of 2D electrons around the nanoribbon surface's perimeter and the robustness of topologically protected surface states. In contrast to conventional lithography methods, this approach does not require a highly controlled clean room environment and can be executed under ambient conditions. Importantly, this method facilitates the precise patterning and can be applied to a wide range of 2D materials.

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Control of the Dynamic Regimes of a Superconducting Nanointerferometer

Tereshchenko,

Khrenov,

Klenov

et al. 2024

Jetp Lett.

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An analytical solution has been found to describe dynamic processes in a superconducting nanointerferometer with negligibly low inductances that is included in a high-Q factor resonator. The effect of nonlinearity in the system, as well as the effect of external parametric pumping, has been analyzed. The screening of detected dynamic modes in the studied nanostructure in the resonator is performed in a wide range and their positions on the plane of the parameters have been determined. A significant influence of phase effects on the evolution of the system has been demonstrated and phase relations allowing one to control the output signal intensity have been evaluated. The detected effects open new possibilities for developing and testing basic elements of modern quantum computing systems.

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Controlling I-V Hysteresis in Al/Pt Bilayer Symmetric SQUIDs at Millikelvin Temperatures

Cited by 4 publications

References 53 publications

Multilayer Bolometric Structures for Efficient Wideband Communication Signal Reception

Multilayer Bolometric Structures for Efficient Wideband Communication Signal Reception

Topological Insulator Nanowires Made by AFM Nanopatterning: Fabrication Process and Ultra Low‐Temperature Transport Properties

Control of the Dynamic Regimes of a Superconducting Nanointerferometer

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