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Bulletin of the Russian Academy of Sciences: Physics最新文献

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Mathematical Model of Electromagnetic Fields near Defects Registered via Magneto-Optical Defectoscopy
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2024-12-23 DOI: 10.1134/S1062873824708213
D. M. Filippov, N. V. Lugovskoy, A. A. Shuyskyy, V. N. Berzhansky
{"title":"Mathematical Model of Electromagnetic Fields near Defects Registered via Magneto-Optical Defectoscopy","authors":"D. M. Filippov,&nbsp;N. V. Lugovskoy,&nbsp;A. A. Shuyskyy,&nbsp;V. N. Berzhansky","doi":"10.1134/S1062873824708213","DOIUrl":"10.1134/S1062873824708213","url":null,"abstract":"<p>A mathematical model is presented for a three-dimensional quasi-stationary electromagnetic field of secondary sources induced by an external non-sinusoidal periodic field in a conducting control object containing a closed defect. Numerical modeling of the electromagnetic field near such an object is done using software with the developed mathematical model. Results are compared to magneto-optical images of defects observed in an experiment.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"88 11","pages":"1756 - 1762"},"PeriodicalIF":0.48,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Multiparameter System for Detecting Ionizing Radiation to Determine the Composition of Spent Fuel
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2024-12-23 DOI: 10.1134/S1062873824708304
K. V. Ershov, N. E. Mishina, D. V. Timonin
{"title":"A Multiparameter System for Detecting Ionizing Radiation to Determine the Composition of Spent Fuel","authors":"K. V. Ershov,&nbsp;N. E. Mishina,&nbsp;D. V. Timonin","doi":"10.1134/S1062873824708304","DOIUrl":"10.1134/S1062873824708304","url":null,"abstract":"<p>A multiparameter system for detecting ionizing radiation was created at the Khlopin Radium Institute to determine the composition of spent nuclear fuel to introduce it into fuel processing production cycles, in particular, to analyze the composition of liquids in hydrometallurgical conversion. The main task was to create a universal device (hardware–software complex) that can be adapted to determine the concentration of radioactive isotopes in various technological cycles by replacing detectors and/or reconfiguring software.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"88 11","pages":"1812 - 1816"},"PeriodicalIF":0.48,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875236","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Erratum to: Activation Analysis of the Temperature Dependence of the Dielectric Constant of Ferroelectrics
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2024-12-23 DOI: 10.1134/S1062873824110042
D. V. Kuzenko
{"title":"Erratum to: Activation Analysis of the Temperature Dependence of the Dielectric Constant of Ferroelectrics","authors":"D. V. Kuzenko","doi":"10.1134/S1062873824110042","DOIUrl":"10.1134/S1062873824110042","url":null,"abstract":"","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"88 11","pages":"1864 - 1864"},"PeriodicalIF":0.48,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1134/S1062873824110042.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875244","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Erratum to: The Polarization Jet/SAID and Plasma Irregularities of Different Scales
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2024-12-23 DOI: 10.1134/S1062873824110030
A. A. Sinevich, A. A. Chernyshov, D. V. Chugunin, W. J. Miloch, M. M. Mogilevsky
{"title":"Erratum to: The Polarization Jet/SAID and Plasma Irregularities of Different Scales","authors":"A. A. Sinevich,&nbsp;A. A. Chernyshov,&nbsp;D. V. Chugunin,&nbsp;W. J. Miloch,&nbsp;M. M. Mogilevsky","doi":"10.1134/S1062873824110030","DOIUrl":"10.1134/S1062873824110030","url":null,"abstract":"","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"88 11","pages":"1863 - 1863"},"PeriodicalIF":0.48,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1134/S1062873824110030.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875260","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Compensation of Magnetostatic Interaction between Magnetic Layers in a Spin Tunnel Element
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2024-12-23 DOI: 10.1134/S1062873824708109
D. V. Vasilyev, O. P. Polyakov, P. A. Polyakov, V. V. Amelichev, S. I. Kasatkin, D. V. Kostyuk
{"title":"Compensation of Magnetostatic Interaction between Magnetic Layers in a Spin Tunnel Element","authors":"D. V. Vasilyev,&nbsp;O. P. Polyakov,&nbsp;P. A. Polyakov,&nbsp;V. V. Amelichev,&nbsp;S. I. Kasatkin,&nbsp;D. V. Kostyuk","doi":"10.1134/S1062873824708109","DOIUrl":"10.1134/S1062873824708109","url":null,"abstract":"<p>A method is proposed to significantly reduce the influence of the magnetostatic magnetic field of the fixed magnetic layer on the free layer of a spin-tunnel element. The method is based on the use of a free layer the size of which exceeds that of the fixed layer, due to which a significant reduction in the influence of the magnetostatic field is achieved.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"88 11","pages":"1704 - 1709"},"PeriodicalIF":0.48,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Magnetic Properties and Structural Features of Nanocomposites Based on CoFe2O4, NiFe2O4, CuFe2O4 Ferrites, Synthesized in Low Temperature Underwater Plasma
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2024-12-23 DOI: 10.1134/S1062873824708080
M. N. Shipko, M. A. Stepovich, A. V. Khlustova, A. V. Agafonov, N. A. Sirotkin, E. S. Savchenko
{"title":"Magnetic Properties and Structural Features of Nanocomposites Based on CoFe2O4, NiFe2O4, CuFe2O4 Ferrites, Synthesized in Low Temperature Underwater Plasma","authors":"M. N. Shipko,&nbsp;M. A. Stepovich,&nbsp;A. V. Khlustova,&nbsp;A. V. Agafonov,&nbsp;N. A. Sirotkin,&nbsp;E. S. Savchenko","doi":"10.1134/S1062873824708080","DOIUrl":"10.1134/S1062873824708080","url":null,"abstract":"<p>A combination of X-ray diffraction, Mössbauer spectroscopy, and measurements of magnetic characteristics are used to study the crystal structure, morphology, and magnetic properties of nanocomposite powders based on transition metals Ni, Co, Cu, and Fe, synthesized in low-temperature underwater plasma for the first time. Results demonstrate the possibility of synthesizing nanocomposites with given contents of NiFe<sub>2</sub>O<sub>4</sub>, CoFe<sub>2</sub>O<sub>4</sub>, and Ni<sub>1 –</sub> <sub><i>x</i></sub>Cu<sub><i>х</i></sub>Fe<sub>2</sub>O<sub>4</sub> ferrites, which ensure small ferromagnetic resonance linewidths, and ε-Fe<sub>2</sub>O<sub>3</sub>, which has high frequency resonance in the millimeter range of electromagnetic radiation.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"88 11","pages":"1695 - 1698"},"PeriodicalIF":0.48,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigations of Parameters of Induction Heating of Metal Coatings of Cylindrical Steel Products
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2024-12-23 DOI: 10.1134/S1062873824708201
A. R. Lepeshkin, M. A. Fedin, A. B. Kuvaldin, S. S. Kondrashov, R. F. Suleymanov, O. I. Ilyinskaya
{"title":"Investigations of Parameters of Induction Heating of Metal Coatings of Cylindrical Steel Products","authors":"A. R. Lepeshkin,&nbsp;M. A. Fedin,&nbsp;A. B. Kuvaldin,&nbsp;S. S. Kondrashov,&nbsp;R. F. Suleymanov,&nbsp;O. I. Ilyinskaya","doi":"10.1134/S1062873824708201","DOIUrl":"10.1134/S1062873824708201","url":null,"abstract":"<p>We discussed an integrated approach to mathematical modeling and study of electromagnetic field parameters in a two-layer and three-layer conducting medium during induction heating of a cylindrical steel product with melting of a conductive metal coating, providing a joint study of processes considering two Curie points occurring in the induction heating device and in the product with conductive coating.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"88 11","pages":"1752 - 1755"},"PeriodicalIF":0.48,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875256","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impedance-Matched Ceramic Materials Based on Ferrospinels
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2024-12-23 DOI: 10.1134/S1062873824708225
S. V. Serebryannikov, A. V. Dolgov, S. S. Serebryannikov, V. G. Kovalchuk, A. M. Belevtsev, I. K. Epaneshnikova, V. L. Kryuchkov
{"title":"Impedance-Matched Ceramic Materials Based on Ferrospinels","authors":"S. V. Serebryannikov,&nbsp;A. V. Dolgov,&nbsp;S. S. Serebryannikov,&nbsp;V. G. Kovalchuk,&nbsp;A. M. Belevtsev,&nbsp;I. K. Epaneshnikova,&nbsp;V. L. Kryuchkov","doi":"10.1134/S1062873824708225","DOIUrl":"10.1134/S1062873824708225","url":null,"abstract":"<p>The authors study frequency spectra of the dielectric/magnetic permittivity and losses of ferrospinels produced via sintering using solid-phase reactions from initial reagent [(NiCuZn)OMnO<sub>2</sub>]Fe<sub>2</sub>O<sub>3</sub>. Systems of ferrites with variable signs of the temperature coefficient of magnetic saturation are considered. Such systems are of practical interest for use in devices that require impedance matching while ensuring stable magnetization in the specified temperature range (–40 to 100°C), which can vary by no more than 5%. Results from studying ferrospinels in the 1 MHz to 3 GHz range of frequencies are discussed.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"88 11","pages":"1763 - 1767"},"PeriodicalIF":0.48,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of Isothermal Treatment on Magnetic and Hysteresis Properties of Materials for Nonlinear Magnetic Systems of Hysteretic Electromechanical Energy Converters
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2024-12-23 DOI: 10.1134/S1062873824708195
I. M. Milyaev, S. Y. Ostanin, N. I. Abdugaliyev, A. N. Solomin, Cui Shumei, Zhu Chunbo
{"title":"Influence of Isothermal Treatment on Magnetic and Hysteresis Properties of Materials for Nonlinear Magnetic Systems of Hysteretic Electromechanical Energy Converters","authors":"I. M. Milyaev,&nbsp;S. Y. Ostanin,&nbsp;N. I. Abdugaliyev,&nbsp;A. N. Solomin,&nbsp;Cui Shumei,&nbsp;Zhu Chunbo","doi":"10.1134/S1062873824708195","DOIUrl":"10.1134/S1062873824708195","url":null,"abstract":"<p>We studied the formation of optimal hysteresis properties and characteristics in materials for nonlinear magnetic systems of hysteretic electromechanical energy converters and directly in these systems. The influence of isothermal treatment on the properties of the specified materials and systems is investigated; the residual induction, coercive force and maximum energy product are studied.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"88 11","pages":"1747 - 1751"},"PeriodicalIF":0.48,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875185","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanisms of the Effect of External and Internal Demagnetizing Fields on the Formation, Dynamics, and Evolution of a Vortex Structure in Twinned High-Temperature YBa2Cu3O7 – x Superconductors
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2024-12-23 DOI: 10.1134/S106287382470816X
Kh. R. Rostami
{"title":"Mechanisms of the Effect of External and Internal Demagnetizing Fields on the Formation, Dynamics, and Evolution of a Vortex Structure in Twinned High-Temperature YBa2Cu3O7 – x Superconductors","authors":"Kh. R. Rostami","doi":"10.1134/S106287382470816X","DOIUrl":"10.1134/S106287382470816X","url":null,"abstract":"<p>It is shown that large vortex molecules pinned at points of the intersection of periodic twin boundaries form first in twinned YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7 –</sub> <sub><i>x</i></sub> compounds. Low-mobility molecules of similar shape consist of intra-twin junction vortices and intertwin junction antivortices, between which Abrikosov and Josephson vortices trapped at the banks of twinning boundaries and within the latter are sandwiched, respectively. Strengthening the field enhances its interaction with the residual demagnetizing fields of twins and contributes to the decay of multicomponent vortex molecules into smaller ones with two components.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"88 11","pages":"1734 - 1739"},"PeriodicalIF":0.48,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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