23 Result(s)
within
Article
V. V. Amelichev
Physics
-
Article
Simulation and calculation of the piezoelectric modulus of a lead zirconate-titanate thin film in a test microstructure
Results of simulation of stresses in the test structure of a silicon beam and analytical calculation of piezoelectric modulus d 31 of a lead zirconate-titanate (PZT) thin film arranged in ...
-
Article
The Effect of the Circuit Connection on the Characteristic of a Three-Collector Magnetotransistor
The sensitivity and initial voltage offset between the collectors of a two-collector lateral bipolar npn-type magnetotransistor with a base formed in the well, which serves as the third collector, are investig...
-
Article
A fiber-optic frequency transducer of variable pressure in gaseous and liquid media
Fiber-optic sensors of variable pressure are proposed and implemented on fiber lasers with microoptomechanical resonance structures generating in automodulation regimes. Possibilities of sound pressure monitor...
-
Article
LED magneto-optical ellipsometer with the switching of orthogonal polarization states
A light-emitting diode (LED) magneto-optical ellipsometer with the switching of orthogonal polarization states is described. The distinctive features of the ellipsometer are the implementation of the maximally...
-
Article
Recombination in converters of β-radiation energy to electrical energy
β-to-electric energy converters based on high-ohmic silicon, as well as processes that provide a high conversion efficiency, have been studied. It has been shown that the conversion efficiency is related to re...
-
Article
Optimization of the parameters of power sources excited by β-radiation
The experimental results and calculations of the efficiency of the energy conversion of Ni-63 β-radiation sources to electricity using silicon p–i–n diodes are presented. All calculations are performed taking int...
-
Article
Spin-tunneling magnetoresistive elements based on multilayered nanostructures
The results of studies of characteristics of spin-tunneling magnetoresistive (STMR) elements fabricated from multilayered nanostructures using a mask technique have been considered. The parameters of magnetic ...
-
Article
Spin-logic nanoelements
Magnetic nanoelements for develo** spin-logic systems are considered. Special attention is given to the development of spin magnetoresistive nanoelements.
-
Article
Electrochemical Deposition of Permalloy Films for Magneto-Semiconductor Microsystems
The results of investigating local electrochemical deposition from a chloride electrolyte are presented. Ni81Fe19 permalloy films with magnetic properties similar to those of 3D samples with a uniform thickness a...
-
Article
Combined Technology Fabrication of Spin-Valve Magnetoresistive Elements and Micromagnets
We present the research results of the fabrication technology of magnetoresistive (MR) elements based on the multilayer spin-valve magnetoresistive (SVMR) Ta–FeNiCo–CoFe–Cu–CoFe–FeNiCo–FeMn–Та nanostructures a...
-
Article
Magnetoresistive Features of a Long FeNiCo Nanostrip
A theory has been developed to interpret the experimental dependence of the magnetoresistance of a FeNiCo nanostrip on the external magnetic field. It assumes the one-dimensional nonuniformity of the magnetiza...
-
Article
Features of the AMR Effect in Magnetic Strips with Perpendicular Anisotropy
A theoretical model is proposed for structures of collective micromagnetic spin in magnetoresistive FeNiCo nanostrips with perpendicular anisotropy. Atypical dependences of the magnetoresistance on the magnitu...
-
Article
Magnetostriction Nanostructures with a Giant Magnetoresistive Effect for Magnetic Straintronics Devices
The results are presented from experimental studies of the magnetostrictive and magnetoresistive properties of a multilayer Ta/FeNiCo/CoFe/Cu/CoFe/FeNiCo/FeMn/Ta nanostructure formed on an oxidized silicon sub...
-
Article
Features of Calculation and Investigation of Volt–Oersted Characteristics of an Anisotropic Magnetoresistive Sensor
We present the results of experimental and theoretical studies of the influence on the characteristics of anisotropic magnetoresistive magnetic field sensors based on FeNiCo alloy with a “barber-pole” structur...
-
Article
Domain Structure in Thin FeNiCo Films with In-Plane Anisotropy
A theoretical model of the distribution of magnetization is developed using the Landau–Lifshitz domain structure experimentally established in thin FeNiCo films with uniaxial anisotropy and drawing on the Néel...
-
Article
Investigating the Field of Stable Operation of Magnetoresistive Memory Elements
A study is performed of the region of stable operation of parts of magnetoresistive storage elements, allowing for the field of the inhomogeneity of the fixing nanomagnetic strip. The coefficient of magnetosta...
-
Article
Magnetostrictive Properties of Periodic Nanostructures Based on CoFe/FeNiCo
Results are presented from experimental studies of the magnetostrictive and magnetoresistive properties of a multilayer Ta/[FeNiCo/CoFe]6/Ta nanostructure formed on an oxidized silicon substrate. The effect contr...
-
Article
Study of the Sensitivity of Porous SnO2-Based Thick-Film Elements to the Hydrogen Concentration in Air
Semiconductor gas sensors based on metal oxides are sensitive and fast with low power consumption. The specific features of the manufacturing technology of such transducers make it possible to reduce their ove...
-
Article
Theoretical Study of the Magnetoresistance of a Square Straintronic Element
The change in magnetoresistance upon remagnetization by an external magnetic field is calculated using the model of coherent rotation of the magnetization vector of the free layer of a spin tunnel element subj...
-
Article
Change in the Magnetoresistance of a Spin Tunnel Element upon Inhomogeneous Magnetization Reversal with the Formation of Domains
Typical experimental dependences of the giant magnetoresistance of a spin tunnel element are compared to theoretical curves obtained using the classical Stoner–Wohlfarth theory of coherent magnetization revers...
