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Structure and Properties of Composite Coatings with Zro2 and Tio2 Particles After Lehceb Treatment 雷西卜处理后含有 Zro2 和 Tio2 粒子的复合涂层的结构和性能
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-07-03 DOI: 10.1007/s11182-024-03194-1
M. B. Sedelnikova, A. D. Kashin, P. V. Uvarkin, Y. P. Sharkeev, A. V. Ugodchikova, N. A. Luginin, M. A. Khimich, K. V. Ivanov
{"title":"Structure and Properties of Composite Coatings with Zro2 and Tio2 Particles After Lehceb Treatment","authors":"M. B. Sedelnikova,&nbsp;A. D. Kashin,&nbsp;P. V. Uvarkin,&nbsp;Y. P. Sharkeev,&nbsp;A. V. Ugodchikova,&nbsp;N. A. Luginin,&nbsp;M. A. Khimich,&nbsp;K. V. Ivanov","doi":"10.1007/s11182-024-03194-1","DOIUrl":"10.1007/s11182-024-03194-1","url":null,"abstract":"<p>The paper presents the comprehensive analysis of the structure, properties, and corrosion of micro-arc coatings with ZrO<sub>2</sub> and TiO<sub>2</sub> particles after the low-energy high-current electron beam (LEHCEB) treatment. The coating morphology, microstructure, phase and elemental compositions are investigated by the scanning electron microscopy, energy-dispersive X-ray spectroscopy, and X-ray powder diffraction. After the LEHCEB treatment, the coating structure with ZrO<sub>2</sub> particles changes from friable and porous to denser with closed spheroidal pores. It is shown that the adhesive strength of the coating with ZrO<sub>2</sub> particles increases with the critical load growth from 10 to 18 N. Moreover, the treatment enhances its corrosion resistance, as evidenced by a reduction in the corrosion current from 7.48∙10<sup>–7</sup> to 1.05∙10<sup>–8</sup> A/cm<sup>2</sup> and an increase in polarization resistance from 0.9·10<sup>4</sup> to 5.77∙10<sup>6</sup> Ω·cm<sup>2</sup>. In contrast, the coatings with TiO<sub>2</sub> particles exhibit a more porous structure due to the volatilization of low-melting components (sodium silicates), as evidenced by a reduction in the concentration of Na and Si elements in their composition. The adhesive strength and corrosion resistance of the coatings with TiO<sub>2</sub> particles deteriorate after the treatment.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 7","pages":"895 - 903"},"PeriodicalIF":0.4,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141522749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Intense Orange Red Emission from Sm3+-Activated Ca3Al2O6 Phosphor for Display Device Application 用于显示设备应用的 Sm3+ 激活型 Ca3Al2O6 磷光体发出的强烈橘红色荧光
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-07-03 DOI: 10.1007/s11182-024-03207-z
K. Koteswara Rao, M. C. Rao, Vikas Dubey
{"title":"Intense Orange Red Emission from Sm3+-Activated Ca3Al2O6 Phosphor for Display Device Application","authors":"K. Koteswara Rao,&nbsp;M. C. Rao,&nbsp;Vikas Dubey","doi":"10.1007/s11182-024-03207-z","DOIUrl":"10.1007/s11182-024-03207-z","url":null,"abstract":"<p>The synthesis and the structural and luminescence studies of samarium-doped calcium aluminate phosphors are reported. These phosphors are synthesized by the solid-state reaction method with a variable concentration of doping ions (0.5–3.0 mol%). The synthesized phosphors are characterized by the X-ray diffraction (XRD), scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR) techniques. The XRD studies show that the doped phosphors have a cubic structure. The SEM images reveal that the Sm<sup>3+</sup>- doped Ca<sub>3</sub>Al<sub>2</sub>O<sub>6</sub> phosphor represents a combination of some rod-like and flower-like structures. The FTIR studies confirm the formation of a Ca<sub>3</sub>Al<sub>2</sub>O<sub>6</sub>:Sm<sup>3+</sup> phosphor. The photoluminescence (PL) emission measurements upon excitation by 273 nm (ultraviolet light) show the characteristic emission peaks of Sm<sup>3+</sup> at 579, 589, 600 and 619 nm. The characteristic orange-red emission is observed for samarium ion. The excitation spectra of the Ca<sub>3</sub>Al<sub>2</sub>O<sub>6</sub>:Sm<sup>3+</sup> phosphor mainly consist of a more intense charge transfer band (CTB) of Sm<sup>3+</sup> located at 273 and 395 nm with some peaks centred at 319 and 362 nm. The CIE coordinates are calculated by the spectrophotometric method using the spectral energy distribution of the Ca<sub>3</sub>Al<sub>2</sub>O<sub>6</sub>:Sm<sup>3+</sup> sample. The prepared phosphors can act as a single host for orange-red light emission in display devices.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 7","pages":"985 - 992"},"PeriodicalIF":0.4,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141522756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correction to: Microstructure and Mechanical Properties of Ti–Al–Ta–N Coatings Obtained by High-Power Impulse Magnetron Sputtering 更正：通过高功率脉冲磁控溅射获得的 Ti-Al-Ta-N 涂层的微观结构和机械性能
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-07-03 DOI: 10.1007/s11182-024-03218-w
E. D. Kuzminov, A. Y. Derbin, A. R. Shugurov
{"title":"Correction to: Microstructure and Mechanical Properties of Ti–Al–Ta–N Coatings Obtained by High-Power Impulse Magnetron Sputtering","authors":"E. D. Kuzminov,&nbsp;A. Y. Derbin,&nbsp;A. R. Shugurov","doi":"10.1007/s11182-024-03218-w","DOIUrl":"10.1007/s11182-024-03218-w","url":null,"abstract":"","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 7","pages":"1082 - 1082"},"PeriodicalIF":0.4,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142407421","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Pore Size on the Mechanical Properties and Deformation Behavior of Porous ZrO2(Y2O3) Ceramics Under Axial Compression 孔径对多孔 ZrO2（Y2O3）陶瓷在轴向压缩下的力学性能和变形行为的影响
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-07-03 DOI: 10.1007/s11182-024-03193-2
I. N. Sevostyanova, V. V. Gorbatenko
{"title":"Effect of Pore Size on the Mechanical Properties and Deformation Behavior of Porous ZrO2(Y2O3) Ceramics Under Axial Compression","authors":"I. N. Sevostyanova,&nbsp;V. V. Gorbatenko","doi":"10.1007/s11182-024-03193-2","DOIUrl":"10.1007/s11182-024-03193-2","url":null,"abstract":"<p>In this work, deformation behavior of porous ceramics ZrO<sub>2</sub> – 5.5 wt.% Y<sub>2</sub>O<sub>3</sub> with a different morphology of the pore space under axial quasi-static compression is studied by the method of digital image correlation (DIC). Two stages of the deformation behavior of ceramics have been identified, namely, the controlled accumulation of microcracks and the formation of block structures. It has been found that an increase in the average pore size leads to the decrease of the tensile strength and the effective elasticity modulus and the increase of the ultimate deformation, while the nature of the deformation macrolocalization changes from ordered to chaotic one. It is shown that the rate of accumulation of local deformations in the central part of the deformable sample with a pore size of 68 μm is several times higher than in the sample with a pore size of 29 μm.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 7","pages":"879 - 887"},"PeriodicalIF":0.4,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141522755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Searching For Optimal Areas of Circumlunar Space for Placement of Satellites Moving in Circular Orbits 寻找环月空间的最佳区域以安置在环形轨道上运行的卫星
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-07-03 DOI: 10.1007/s11182-024-03215-z
N. A. Popandopulo, A. G. Aleksandrova
{"title":"Searching For Optimal Areas of Circumlunar Space for Placement of Satellites Moving in Circular Orbits","authors":"N. A. Popandopulo,&nbsp;A. G. Aleksandrova","doi":"10.1007/s11182-024-03215-z","DOIUrl":"10.1007/s11182-024-03215-z","url":null,"abstract":"<p>Orbital evolution of model circumlunar objects moving in circular orbits is analyzed to determine areas optimal for the deployment of new satellite systems moving in orbits of this kind. The areas are determined in which the objects not only remain in their orbits for a long time, but also keep preset initial parameters and hence are the most suitable for the deployment of long-living satellite systems.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 7","pages":"1058 - 1064"},"PeriodicalIF":0.4,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141522761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Theoretical Investigation for Interpreting Heat Capacity of Thermoelectric Materials Using Debye–Einstein Approximation 利用德拜-爱因斯坦近似法解读热电材料热容量的理论研究
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-07-03 DOI: 10.1007/s11182-024-03217-x
E. Çopuroğlu, D. Özgül
{"title":"Theoretical Investigation for Interpreting Heat Capacity of Thermoelectric Materials Using Debye–Einstein Approximation","authors":"E. Çopuroğlu,&nbsp;D. Özgül","doi":"10.1007/s11182-024-03217-x","DOIUrl":"10.1007/s11182-024-03217-x","url":null,"abstract":"<p>Thermoelectric materials are of growing interest to renewable energy technologies and applications. Because of the work progress of thermoelectric materials, experimental and theoretical methods in evaluating thermodynamic behavior and properties of these materials play a significant role. As is known, heat capacity is one of the fundamental thermodynamic properties of thermoelectric materials that should be foreseen accurately. The Debye–Einstein approximation is one of the efficient methods for calculating the heat capacity of materials without any restriction in their use. For this purpose, this work aims at the heat capacity calculation of PbTe, PbS and PbSe thermoelectric materials using the Debye–Einstein approximation.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 7","pages":"1073 - 1081"},"PeriodicalIF":0.4,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141522753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Numerical Calculation and Analytic Formulas of Yarkovsky Effect Parameter of Circumsolar Asteroids 环极小行星雅尔科夫斯基效应参数的数值计算和解析公式
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-07-03 DOI: 10.1007/s11182-024-03216-y
T. Yu. Galushina, D. L. Bashaev, O. N. Letner, O. M. Syusina
{"title":"Numerical Calculation and Analytic Formulas of Yarkovsky Effect Parameter of Circumsolar Asteroids","authors":"T. Yu. Galushina,&nbsp;D. L. Bashaev,&nbsp;O. N. Letner,&nbsp;O. M. Syusina","doi":"10.1007/s11182-024-03216-y","DOIUrl":"10.1007/s11182-024-03216-y","url":null,"abstract":"<p>The paper deals with two problems. The main problem is the parameter calculation for the Yarkovsky effect using analytic formulas and their comparison with that obtained through its inclusion in the number of parameters to be detected. Unknown physical parameters of asteroids are varied to obtain the boundary values from analytic formulas. Numerical calculations imply that acceleration driven by the Yarkovsky effect, is inversely proportional to the degree of the heliocentric distance. It is shown that numerical calculations for objects with a well-defined orbit are in good agreement with analytic boundaries. The second problem concerns the numerical calculation of the best degree value for the distance to the Sun. It is demonstrated that the best results are obtained at the degree value of 2.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 7","pages":"1065 - 1072"},"PeriodicalIF":0.4,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141522759","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Magnetic, Electrochemical and Antimicrobial Properties of Li Ions Substituted by MnFe2O4 Nanoparticles MnFe2O4 纳米粒子取代锂离子的磁性、电化学和抗菌特性
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-07-03 DOI: 10.1007/s11182-024-03213-1
B. Padma, G. Vasuki, T. Balu, M. Daniel Sweetlin
{"title":"Magnetic, Electrochemical and Antimicrobial Properties of Li Ions Substituted by MnFe2O4 Nanoparticles","authors":"B. Padma,&nbsp;G. Vasuki,&nbsp;T. Balu,&nbsp;M. Daniel Sweetlin","doi":"10.1007/s11182-024-03213-1","DOIUrl":"10.1007/s11182-024-03213-1","url":null,"abstract":"<p>Lithium manganese nanoferrites (Li<sub><i>x</i></sub>Mn<sub>1–2<i>x</i></sub>Fe<sub>2+<i>x</i></sub>O<sub>4</sub>, x = 0.0, 0.1, 0.2, 0.3, 0.4) are prepared by the chemical coprecipitation method. Magnetic properties of as-synthesized samples are investigated at room temperature using a vibrating-sample magnetometer. The superparamagnetic behavior of the samples is observed on the recorded M-H curves. From the hysteresis curve, saturation magnetization, coercivity, and retentivity are obtained. The squareness ratio, anisotropy constant and magnetic moment of the samples are calculated and compared. The cyclic voltammetry analysis is performed for different scan rates to determine the specific capacitance. The energy density and power density are calculated from the charge-discharge curve. The resistance to selected bacteria is analyzed using the antimicrobial activity test.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 7","pages":"1042 - 1050"},"PeriodicalIF":0.4,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141522694","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamics of Characteristics of Wind-Driven Surface Waves in the Coastal Zone of Lake Baikal 贝加尔湖沿岸地区风驱动表面波的动力学特征
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-07-03 DOI: 10.1007/s11182-024-03210-4
V. P. Butukhanov, E. B. Atutov, O. N. Ochirov, Yu.B. Bashkuev, M. G. Dembelov
{"title":"Dynamics of Characteristics of Wind-Driven Surface Waves in the Coastal Zone of Lake Baikal","authors":"V. P. Butukhanov,&nbsp;E. B. Atutov,&nbsp;O. N. Ochirov,&nbsp;Yu.B. Bashkuev,&nbsp;M. G. Dembelov","doi":"10.1007/s11182-024-03210-4","DOIUrl":"10.1007/s11182-024-03210-4","url":null,"abstract":"<p>Experimental parameters of wind-driven waves obtained with a measuring pole near the coastal line of Lake Baikal using video recorders placed on a slightly submerged mast are analyzed in the present work. The measurements were carried out during the fall period. The short-period dynamics of the characteristics of surface wind-driven waves arising on the shallow water surface is analyzed. Dependences are established of the wave heights on the wind speed and direction in an open region of Lake Baikal in the daytime; their maxima are recorded in the second half of the day at the western wind direction. The temporal variations of the wave periods and heights are shown, and the nonlinear gravitational wave modes are detected on the shallow water surface. As a result of these processes, the short-period wave heights reach their maximum values. Radar measurements of the wind-driven wave characteristics have shown a dependence of the back-reflected signal intensities on the variations in the wind-driven wave heights. Small-scale inhomogeneities observed on the water surface in the form of ripples, responsible for backscattering of wind-driven wave crests, are well recognized with a nanosecond radar.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 7","pages":"1006 - 1014"},"PeriodicalIF":0.4,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141522750","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Structural and Thermoluminescence Glow Curve Analysis of Eu3+-Doped LaCePO4 Phosphor 掺杂 Eu3+ 的 LaCePO4 磷光体的结构和热发光辉光曲线分析
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-07-03 DOI: 10.1007/s11182-024-03208-y
K. Lakshmi, M. C. Rao, Vikas Dubey
{"title":"Structural and Thermoluminescence Glow Curve Analysis of Eu3+-Doped LaCePO4 Phosphor","authors":"K. Lakshmi,&nbsp;M. C. Rao,&nbsp;Vikas Dubey","doi":"10.1007/s11182-024-03208-y","DOIUrl":"10.1007/s11182-024-03208-y","url":null,"abstract":"<p>Europium ion (Eu<sup>3+</sup>) doped lanthanum cerium phosphate is synthesized using the solid-state reaction method. Phase purity and morphology are assessed via XRD and SEM, respectively. The XRD analysis shows a monophasic crystalline structure with the average crystallite size of 87 nm. SEM images show a tablet-like morphology of phosphor. FTIR spectroscopy confirms the phosphor formation based on stretching, bending, and vibrational modes. The photoluminescence excitation spectrum demonstrates a broad excitation band centered at 277 nm, while emission spectra exhibit narrow luminescent bands at 469 and 544 nm, attributed to intracenter transitions of Eu<sup>3+</sup>. The thermoluminescence glow curve analysis is performed for the optimized doping ion concentration, and trap parameters are obtained using the computerized glow curve deconvolution technique. These investigations suggest the potential utility of the prepared phosphor for bluish-green emission in diverse display applications, while the trap analysis elucidates the formation of luminescence centers in Eu<sup>3+</sup>-doped phosphors.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 7","pages":"993 - 999"},"PeriodicalIF":0.4,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141522751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","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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