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Article
Creation of Thin Films of NbN at Room Temperature of the Substrate
Magnetron sputtering is used for preparing thin NbN films. The films are deposited on sapphire substrates at temperatures from 20 to 300°C. The superconducting transition temperature for various samples is in ...
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Article
Creation of Elements from NbN for Logical Devices of Classical Cryo-Computers
A method is described that allows one to reduce the critical current and switching power of a short nanowire from a superconducting state to a normal state by embedding a section of a normal metal into the nan...
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Article
The Influence of Integrated Resistors Formed under Ion Irradiation on the Superconducting Transitions of Niobium Nitride Nanoconductors
The influence of integrated resistors formed under irradiation in a nanowire on its superconducting transitions has been investigated. Niobium nitride nanowires with widths of 75–20 000 nm fabricated from a 5-...
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Article
Control of Superconducting Transitions in Nanowires Using Galvanically Uncoupled Gates for Designing Superconductor-Based Electronic Devices
A possibility of contactless switching of an NbN nanowire from superconducting to normal state by passing a current through a gate located at a certain distance from the nanowire is demonstrated. The gate, bei...
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Article
Poly-para-xylylene-Based Memristors on Flexible Substrates
Flexible memristive structures based on poly-para-xylelene layers, which exhibit stable resistive switchings and are resistant to bendings with radii up to 10 mm, have been prepared and studied. A two-step sch...
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Article
The use of ion irradiation for converting superconducting thin-film NbN into niobium oxide Nb2O5
It is shown experimentally that the use of ion irradiation allows one to convert superconducting thin-film niobium nitride into dielectric niobium oxide in a controllable manner. The conversion of NbN into Nb2O5 ...
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Article
Controlled modification of superconducting properties of NbN ultrathin films under composite ion beam irradiation
In this work, the results of studying the microstructure and superconducting properties of ultrathin films on the basis of NbN in the initial state and after modification by being subjecting to composite ion b...
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Article
The BDRG and SHOK instruments for studying gamma-ray burst prompt emission onboard the Lomonosov spacecraft
One of the goals of the Lomonosov satellite designed by scientists of Moscow State University is to study the prompt emission of cosmic gamma-ray bursts. This paper describes the gamma-ray burst monitor in the ga...
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Article
Design of slab foundations based on static-penetration data
This paper presents a brief review of the application of static penetration to design of slab foundations. A procedure is outlined for derivation of a spatial diagram of soil resistance for structural analysis...
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Article
Calculation of limiting horizontal load on piles-columns based on cone-penetration data
Results of field tests confirming the correlation relation between the limiting load on a pile-column and the specific resistance of the soil beneath the cone of the probe are presented. A formula is proposed ...
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Article
Estimation of bearing capacity and settlement of shell foundations on tamped beds
A dynamic method of evaluating the bearing capacity of shell foundations on a tamped soil bed is examined. Results are presented for full-scale tests under field conditions. A computational formula is proposed...
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Article
A dynamic method of evaluating the bearing capacity of foundations in tamped pits
A dynamic method is outlined for evaluating the bearing capacity of foundations in tamped pits. Results of investigations on an experimental construction site are discussed. Computational formulas are proposed...
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Article
Effectiveness of foundations in pits tamped into clayey soils not prone to slump-type settlement
Results are presented for experimental studies of comparative evaluation of the bearing capacity of the soil bed for foundations installed in tamped pits, and on the natural bed. Results are cited for investig...
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Article
Use of Dynamic Probing to Inspect the Beds of Damaged and Reconstructed Buildings
A proximate method, which utilizes dynamic probing with a small-scale rig for inspection of the foundations on clayey soils, is discussed. Concise results are cited for field tests conducted to substantiate th...
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Article
Static probing of soils using the “equilibrated probe”
Experience gained with the probing of soils using an “equilibrated-probe” mechanism, which makes it possible to measure the soil’s resistance to penetration of the probe at low rates of displacements comparabl...
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Article
Shell Foundations on Tamped Soil Beds
A method is proposed for the installation of a shell foundation on a bed formed from a compacted soil “pillar,” which repeats the internal shape of the shell, and which can be formed by a special conical die. ...
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Article
Monitoring System for the Pile Bed of a Slab Foundation at a Site Prone to Karst Formation
Experience is presented regarding the installation and operation of an observation system for the pile bed of a slab foundation at a site prone to karst formation using monitoring-measuring piles with special ...
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Article
Use of static probing for analysis of slab foundations
A procedure and results are discussed for practical use of static probing to determine the variability of soil characteristics at the site of a slab foundation. Results processed on a computer are presented in...
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Article
Determination of the load-carrying capacity of foundations in tamped pits by a dynamic method
A method is developed for conducting dynamic tests of foundations in tamped pits. The method makes it possible to use tam** data and results from preliminary static probing of the soil to determine the load-...
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Article
Safe distance to foundations when compacting soil in the channels by hydraulic hammers
Results are presented for experimental studies conducted on models and full-scale foundations to evaluate the influence exerted by the operation of hydraulic hammers on foundation stability during the compacti...
