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Article
Properties of Percolation Channels in Planar Memristive Structures Based on Epitaxial Films of YBa2Cu3O7 − δ and La1 − хSrхMnO3 − δ Oxide Perovskite Compounds
An investigation is performed of planar memristive structures to validate the choice of their basic materials, study their functional properties, and determine and develop the structure the resistive switching...
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Article
Computer Analysis of Resistive Switching in a Bismuth Selenide Microcrystal-Based Structure
The previously proposed critical field model is applied to analyze the results of experimental studies of resistive switchings in the structure based on bismuth selenide microcrystal (flake). This structure ha...
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Article
Memristive Properties of Manganite-Based Planar Structures
The mechanisms of physical processes at the metal/La1–xSrxMnO3 manganite interfaces that determine the memristive properties of structures based on them were investigated experimentally and by numerical modeling....
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Article
Synthesizing New AM4X8 Memristive Materials for Electronic Applications
A study is performed of different conditions of the synthesis and growth of perfect crystals of the family of Mott insulators for creating memristors (new-generation memory elements). The ceramic synthesis of ...
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Article
The Study of Switching Dynamics in Planar Structures Based on Epitaxial Films of YBa2Cu3O7-δ High-Temperature Superconductor
We have been studying the dynamic effects of bipolar resistive switching (BERS) in memristive planar heterostructures based on c-oriented epitaxial films of the high-temperature superconductor YBa2Cu3O7 (YBCO). W...
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Article
Electron transport and magnetotransport in graphene films grown on iron thin film catalyst
Graphene films were grown by the low-pressure chemical vapor deposition with a single injection of acetylene on an iron film catalyst deposited on oxidized silicon substrate. After treatment of the graphene on...
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Article
Studying the Dynamic Effects in Memristive Structures Based on Bismuth Selenide: Does a Memristor Need a Shuttle Tail?
Transitions in the resistive switching of diode heterostructures based on bismuth selenide, in which bipolar resistive switching is implemented, are investigated. It is found that the time of transitions from ...
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Article
Explosive transition in amorphous microwire
An amorphous microwire in a glass shell offers a quick thermal response and can be rapidly heated to the crystallization point. When heated by a current pulse with a small amplitude and duration, the wire pass...
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Article
Effect of the variation rate of an external magnetic field on the high-frequency response of surface superconductivity in a critical state
The effect of the magnetic field variation rate on the high-frequency absorption of surface superconductivity of cylindrical samples has been studied. It has been shown that the magnitude of additional highfre...
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Article
Evidence for interacting two-level systems from the 1/f noise of a superconducting resonator
The performance of a great variety of electronic devices—ranging from semiconductor transistors to superconducting qubits—is hampered by low-frequency noise with spectra proportional to 1/f. The ubiquity and nega...
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Article
Superconducting quantum interference device without Josephson junctions
A new type of a superconducting quantum interference device (SQUID) based on a single superconducting loop without Josephson junctions and with asymmetric contacts has been proposed. This SQUID offers advantag...
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Article
High-frequency absorption of the dynamic mixed state in the surface superconductivity region
We analyze the absorption of a high-frequency electromagnetic field in the type II superconductor Pb0.8In0.2 in magnetic fields H c2 < H < H c
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Article
Multiple current states of two phase-coupled superconducting rings
The states of two phase-coupled superconducting rings have been investigated. Multiple current states have been revealed in the dependence of the critical current on the magnetic field. The performed calculati...
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Article
Choosing a specification for a field precision thermostat
Provisions are determined for matching the thermostating temperature with the heater temperature as well as for installing a sensor depending on the position of the heater. The results of theoretical analysis ...
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Article
Centrifugal gravimeter
The fundamentally new method of gravimetric observations is described, which is based on comparing the physically indistinguishable gravitational and inertial accelerations and has been developed by the Instit...
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Article
Little-parks effect in a system of asymmetric superconducting rings
Little-Parks oscillations are observed in a system of 110 series-connected aluminum rings 2 μm in diameter with the use of measuring currents from 10 nA to 1 μA. The measurements show that the amplitude and ch...
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Article
Dependence of the magnitude and direction of the persistent current on the magnetic flux in superconducting rings
The obtained periodic magnetic-field dependences I c+(Φ/Φ0) and I c−(Φ/Φ0) of the critical current measured ...
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Article
Contradiction between the results of observations of resistance and critical current quantum oscillations in asymmetric superconducting rings
Magnetic field dependences of critical current, resistance, and rectified voltage of asymmetric (half circles of different widths) and symmetrical (half circles of equal widths) aluminum rings close to the sup...
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Article
Quantum oscillations of the critical current of asymmetric superconducting rings
The current-voltage characteristics and the magnetic field dependences of the critical current have been measured for symmetric and asymmetric superconducting rings and systems of such rings. The dependences o...
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Article
Magnetic resonance, phase transition, and phase coexistence in a highly doped La0.8Sr0.2MnO3 manganite near the Curie point
Magnetic resonance and microwave impedance are studied in a highly doped La0.8Sr0.2MnO3 manganite near the Curie temperature. A splitting of the resonance line is observed in the temperature region 6° below the t...
