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

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Polarization Jet and Irregularities in the Measurements of the Total Electron Content during the Magnetic Storm of March 18, 2018 2018年3月18日磁暴中极化喷流和总电子含量测量的不规则性
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Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2026-05-08 DOI: 10.1134/S1062873825715326
I. I. Shagimuratov, M. V. Klimenko, I. I. Efishov, G. A. Yakimova, N. Yu. Tepenitsyna, M. V. Filatov
{"title":"Polarization Jet and Irregularities in the Measurements of the Total Electron Content during the Magnetic Storm of March 18, 2018","authors":"I. I. Shagimuratov,&nbsp;M. V. Klimenko,&nbsp;I. I. Efishov,&nbsp;G. A. Yakimova,&nbsp;N. Yu. Tepenitsyna,&nbsp;M. V. Filatov","doi":"10.1134/S1062873825715326","DOIUrl":"10.1134/S1062873825715326","url":null,"abstract":"<p>Detections of the polarization jet/SAID in variations of the total electron content (ТЕС) during the storm of March 18, 2018, are analyzed. On TEC maps, polarization jet is observed as a deep trough at 55°–57° of magnetic latitude. For the first time, TEC irregularities have been detected in the polarization jet structure, which were recognized in the enhancement of GPS-signal scintillations.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"90 3","pages":"336 - 343"},"PeriodicalIF":0.48,"publicationDate":"2026-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147830097","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 Conductive Element Design on Impedance and Strain-Sensitive Properties of Polymer Nanocomposite 导电元件设计对聚合物纳米复合材料阻抗和应变敏感性能的影响
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Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2026-05-08 DOI: 10.1134/S106287382571551X
E. V. Tomberg, S. Yu. Voronina, T. G. Oreshchenko, V. S. Zaslavets, I. V. Nazarov
{"title":"Influence of Conductive Element Design on Impedance and Strain-Sensitive Properties of Polymer Nanocomposite","authors":"E. V. Tomberg,&nbsp;S. Yu. Voronina,&nbsp;T. G. Oreshchenko,&nbsp;V. S. Zaslavets,&nbsp;I. V. Nazarov","doi":"10.1134/S106287382571551X","DOIUrl":"10.1134/S106287382571551X","url":null,"abstract":"<p>A sensing element of a strain gauge based on an epoxy binder with a hybrid carbon nanofiller has been developed. It is shown that the transition from a six-contact to a two-contact design enhances anisotropy and complicates the relaxation behavior, reflecting changes in morphology and the conductive network. The technological parameters have been optimized to ensure stable sensor operation.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"90 3","pages":"471 - 478"},"PeriodicalIF":0.48,"publicationDate":"2026-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147830118","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
Potentialities and Limitations in Applying Geomagnetic Indices in the Problems of Monitoring Geomagnetically Induced Currents 地磁指数在地磁感应电流监测问题中的应用潜力与局限性
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Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2026-05-08 DOI: 10.1134/S1062873825715302
Ya. A. Sakharov, N. V. Yagova, V. A. Pilipenko, O. V. Kozyreva, V. N. Selivanov
{"title":"Potentialities and Limitations in Applying Geomagnetic Indices in the Problems of Monitoring Geomagnetically Induced Currents","authors":"Ya. A. Sakharov,&nbsp;N. V. Yagova,&nbsp;V. A. Pilipenko,&nbsp;O. V. Kozyreva,&nbsp;V. N. Selivanov","doi":"10.1134/S1062873825715302","DOIUrl":"10.1134/S1062873825715302","url":null,"abstract":"<p>The application of auroral and wave ultra-low-frequency indices for monitoring geomagnetically induced currents has been analyzed. The potentialities and limitations in the description of hourly average values inherent in geomagnetically induced currents at the Vykhodnoy auroral station through a linear regression relationship constructed based on the indices for a set interval of magnetic local time and season are considered. It has been demonstrated that a two-index approximation provides quite an adequate estimation of time corresponding to the most part current amplification peaks but leads to an underestimation of the strongest peaks. The estimation of geomagnetically induced currents based on the time derivative value of a magnetic field component, integral over a chain of stations is more accurate than its approximation with the use of geomagnetic indices.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"90 3","pages":"317 - 326"},"PeriodicalIF":0.48,"publicationDate":"2026-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147830119","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
Pulsating Aurora Altitude Estimation from the PAIPS Experiment Measurements on December 6, 2023 从2023年12月6日PAIPS实验测量的脉动极光高度估计
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2026-05-08 DOI: 10.1134/S1062873825715351
K. F. Sigaeva, A. A. Belov, P. A. Klimov, B. V. Kozelov, V. D. Nikolaeva, A. V. Roldugin, R. E. Saraev, K. D. Shchelkanov
{"title":"Pulsating Aurora Altitude Estimation from the PAIPS Experiment Measurements on December 6, 2023","authors":"K. F. Sigaeva,&nbsp;A. A. Belov,&nbsp;P. A. Klimov,&nbsp;B. V. Kozelov,&nbsp;V. D. Nikolaeva,&nbsp;A. V. Roldugin,&nbsp;R. E. Saraev,&nbsp;K. D. Shchelkanov","doi":"10.1134/S1062873825715351","DOIUrl":"10.1134/S1062873825715351","url":null,"abstract":"<p>In 2021, the PAIPS experiment was launched on the Kola Peninsula by joint efforts of the SINP MSU and the PGI to study auroral luminescence in the UV range. The experiment uses two sensitive imaging photometers with a high time resolution (1 ms), spaced 153 km apart and directed into the same region of the atmosphere. This configuration allows atmospheric glow stereometric measurements and therefore an estimation of the luminescence height and energy of the particles that caused it. The paper presents a comprehensive study of the PsA event registered on December 6, 2023. The results of the local pulsations height estimation, analysis of data from riometers and optical cameras, and the charged particle spectrum satellite data are given.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"90 3","pages":"364 - 373"},"PeriodicalIF":0.48,"publicationDate":"2026-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147830121","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
The Study of the Kinetics of the Triplet States B3Πg and C3Πu of Molecular Nitrogen at Air Pressures of 0.03–1 Torr 0.03-1 Torr气压下分子氮三重态B3Πg和C3Πu动力学研究
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2026-05-08 DOI: 10.1134/S1062873825715442
A. S. Kirillov, V. F. Tarasenko, N. P. Vinogradov, V. A. Kirillov
{"title":"The Study of the Kinetics of the Triplet States B3Πg and C3Πu of Molecular Nitrogen at Air Pressures of 0.03–1 Torr","authors":"A. S. Kirillov,&nbsp;V. F. Tarasenko,&nbsp;N. P. Vinogradov,&nbsp;V. A. Kirillov","doi":"10.1134/S1062873825715442","DOIUrl":"10.1134/S1062873825715442","url":null,"abstract":"<p>The kinetics of triplet states of molecular nitrogen and the emission of bands of the first positive system (1PG) and second positive system (2PG) were studied for air pressures at which red sprites are observed. The spectral energy densities <i>W</i> of the emission of six 1PG bands and three 2PG bands were measured experimentally in a pulsed discharge with plasma diffuse jets at pressures of 0.03–1 Torr. The populations of various vibrational levels of the triplet states of molecular nitrogen and the spectral energy density ratios <i>W</i><sub>1PG</sub>/<i>W</i><sub>2PG</sub> were calculated in the pressure range considered. Good agreement was obtained between the calculated and experimental values of the <i>W</i><sub>1PG</sub>/<i>W</i><sub>2PG</sub> ratio. The spectral energy density ratio <i>W</i><sub>1PG</sub>/<i>W</i><sub>2PG</sub> was shown to decrease with increasing pressure, which is explained by a rise of the quenching rates of the <i>B</i><sup>3</sup>Π<sub><i>g</i></sub> state with increasing density of the medium.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"90 3","pages":"406 - 414"},"PeriodicalIF":0.48,"publicationDate":"2026-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147829786","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 the Synthesis Temperature of the Amorphous FeCoSiB Alloy on the Magnetoelectric Effect of the Composite Structure 非晶FeCoSiB合金合成温度对复合结构磁电效应的影响
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Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2026-05-08 DOI: 10.1134/S1062873825715508
E. V. Bolotina, A. V. Turutin, A. A. Temirov, I. V. Kubasov, V. V. Kuts, A. M. Kislyuk, E. E. Maksumova, M. D. Malinkovich, Y. N. Parkhomenko
{"title":"Influence of the Synthesis Temperature of the Amorphous FeCoSiB Alloy on the Magnetoelectric Effect of the Composite Structure","authors":"E. V. Bolotina,&nbsp;A. V. Turutin,&nbsp;A. A. Temirov,&nbsp;I. V. Kubasov,&nbsp;V. V. Kuts,&nbsp;A. M. Kislyuk,&nbsp;E. E. Maksumova,&nbsp;M. D. Malinkovich,&nbsp;Y. N. Parkhomenko","doi":"10.1134/S1062873825715508","DOIUrl":"10.1134/S1062873825715508","url":null,"abstract":"<p>The influence of the deposition temperature of amorphous FeCoSiB films on the magnetoelectric properties of composite structures was studied. It was found that an increase in the synthesis temperature leads to a significant decrease in the magnetoelectric response and an increase in the coercive field of the films.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"90 3","pages":"484 - 489"},"PeriodicalIF":0.48,"publicationDate":"2026-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147829788","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
Analysis of Large Forbush Effects in the 25th Cycle Based on Data from Neutron Monitors and Muon Telescopes in Apatity and Barentsburg 基于Apatity和Barentsburg中子监测仪和介子望远镜数据的第25周期大森林效应分析
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Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2026-05-08 DOI: 10.1134/S1062873825715375
Yu. V. Balabin, A. V. Germanenko, E. A. Mikhalko, L. I. Shchur, B. B. Gvozdevskiy
{"title":"Analysis of Large Forbush Effects in the 25th Cycle Based on Data from Neutron Monitors and Muon Telescopes in Apatity and Barentsburg","authors":"Yu. V. Balabin,&nbsp;A. V. Germanenko,&nbsp;E. A. Mikhalko,&nbsp;L. I. Shchur,&nbsp;B. B. Gvozdevskiy","doi":"10.1134/S1062873825715375","DOIUrl":"10.1134/S1062873825715375","url":null,"abstract":"<p>The analysis was performed of the data obtained on two pairs of space detectors of cosmic rays: two neutron monitors 18-NM-64 and two identical muon telescopes installed in Apatity and Barentsburg. We analyzed the ratios of the counts of identical devices. This approach allows us to significantly reduce synchronous variations on the detectors and to identify small variations associated with the anisotropy of cosmic rays. The data from the muon telescopes located in the Arctic and receiving cosmic ray fluxes from the region near the north pole of the ecliptic are especially valuable.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"90 3","pages":"379 - 386"},"PeriodicalIF":0.48,"publicationDate":"2026-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147830162","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
Monitoring the Differential Spectrum of Natural Gamma Radiation 0.2–8 MeV in Spitsbergen 斯匹次卑尔根岛天然伽马辐射的差谱监测
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Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2026-05-08 DOI: 10.1134/S1062873825715363
Yu. V. Balabin, A. V. Germanenko, E. A. Mikhalko, B. B. Gvozdevskiy, L. I. Shchur
{"title":"Monitoring the Differential Spectrum of Natural Gamma Radiation 0.2–8 MeV in Spitsbergen","authors":"Yu. V. Balabin,&nbsp;A. V. Germanenko,&nbsp;E. A. Mikhalko,&nbsp;B. B. Gvozdevskiy,&nbsp;L. I. Shchur","doi":"10.1134/S1062873825715363","DOIUrl":"10.1134/S1062873825715363","url":null,"abstract":"<p>The results of measuring differential gamma-radiation spectra during precipitation-related radiation flux increases in Spitsbergen are presented. The spectrum of additional radiation is close to similar spectra obtained in Apatity (Kola Peninsula) and Tatsinskaya (Rostov oblast). The spectrum measured in Spitsbergen contains a small number of weak radionuclide lines with a comparable increase amplitude.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"90 3","pages":"374 - 378"},"PeriodicalIF":0.48,"publicationDate":"2026-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147830167","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
Magnetosomes in Nature, Biomedicine, and Physics 自然、生物医学和物理学中的磁小体
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Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2026-05-08 DOI: 10.1134/S1062873825715399
N. A. Usov
{"title":"Magnetosomes in Nature, Biomedicine, and Physics","authors":"N. A. Usov","doi":"10.1134/S1062873825715399","DOIUrl":"10.1134/S1062873825715399","url":null,"abstract":"<p>Biogenic magnetite particles, so-called magnetosomes, are promising for use in biomedicine. The study of magnetosome chains that have been found in ancient sediments on the ocean floor provides valuable information about the Earth’s biological past. We derived formulas that describe the magnetic dipole interaction of oriented single-domain spheroids and calculate quasi-static hysteresis loops for a randomly oriented assembly of spheroidal magnetosome chains.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"90 3","pages":"422 - 428"},"PeriodicalIF":0.48,"publicationDate":"2026-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147829787","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
Study of the Formation of Bimodal Distribution and Enhancement of Interparticle Magnetic Interactions in CoFe2O4 Nanoparticles with Increasing Hydrothermal Synthesis Time 随着水热合成时间的延长，CoFe2O4纳米颗粒中双峰分布的形成和粒子间磁相互作用的增强研究
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2026-05-08 DOI: 10.1134/S1062873825715405
V. D. Salnikov, V. G. Kolesnikova, M. V. Gorshenkov, A. S. Omelyanchik, V. V. Rodionova
{"title":"Study of the Formation of Bimodal Distribution and Enhancement of Interparticle Magnetic Interactions in CoFe2O4 Nanoparticles with Increasing Hydrothermal Synthesis Time","authors":"V. D. Salnikov,&nbsp;V. G. Kolesnikova,&nbsp;M. V. Gorshenkov,&nbsp;A. S. Omelyanchik,&nbsp;V. V. Rodionova","doi":"10.1134/S1062873825715405","DOIUrl":"10.1134/S1062873825715405","url":null,"abstract":"<p>We studied the effect of the duration of hydrothermal synthesis in the range from 8 to 12 h on the formation of the structural and magnetic properties of cobalt ferrite CoFe<sub>2</sub>O<sub>4</sub> nanoparticles obtained in the presence of sodium dodecyl sulfate. It was shown that there is a transition from a unimodal particle distribution to a pronounced bimodal one, as well as an increase in crystallite sizes, microstrains, coercive force, and magnetic dipole–dipole interactions.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"90 3","pages":"429 - 435"},"PeriodicalIF":0.48,"publicationDate":"2026-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147830164","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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