Journal of Materials Science: Materials in Electronics最新文献

{"title":"Development of a material composition for effective room temperature magnetocaloric effect based on Fe-B-Zr precursor amorphous alloy","authors":"Nguyen Hai Yen,&nbsp;Nguyen Huy Ngoc,&nbsp;Kieu Xuan Hau,&nbsp;Truong Viet Anh,&nbsp;Pham Thi Thanh,&nbsp;Nguyen Huy Dan","doi":"10.1007/s10854-025-14537-0","DOIUrl":"10.1007/s10854-025-14537-0","url":null,"abstract":"<div><p>We proposed a material composition based on Fe_81-<i>x</i>Nb_<i>x</i>B₂Co₂Cr₅Zr₁₀ alloys to effectively balance the cooling efficiency and cost of consumption in magnetic refrigerators. Fe_81-<i>x</i>Nb_<i>x</i>B₂Co₂Cr₅Zr₁₀ alloy ribbons were prepared by using a melt-spinning method and their magnetocaloric effect (MCE) was investigated through the measurements of magnetization. The Curie temperature (<i>T</i>_C) was successfully adjusted from 320 K (<i>x</i> = 0) to room temperature (298 K) with an Nb substitution (<i>x</i> = 2) to Fe. Besides a small hysteresis loss (coercive field about 0.005 T), its maximum magnetic entropy change (|Δ<i>S</i>_m|_max) was 1.0 J·kg⁻¹·K⁻¹ at 298 K under a magnetic field gradient (µ₀Δ<i>H</i>) of 1.2 T and deduced to be 2.8 J·kg⁻¹·K⁻¹ with a µ₀Δ<i>H</i> = 1.2 T. Moreover, this composition alloy exhibits a considerable refrigerant capacity (96.9 J·kg⁻¹) for µ₀Δ<i>H</i> = 1.2 T. The trade-off between the lowering <i>T</i>_C to room temperature, small hysteresis loss, and decline of |Δ<i>S</i>_m|_max can be attributed to the micro-alloyed composition with Nb. Due to these criteria characteristics for MCE materials, the Fe₇₉Nb₂B₂Co₂Cr₅Zr₁₀ composition alloy can be a potential material for magnetic refrigerant at room temperature.</p></div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"36 8","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143632560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A study on time-dependent electromechanical response of electroconductive textile","authors":"Amit Kumar Mandal,&nbsp;Dipayan Das,&nbsp;Maloy K. Singha","doi":"10.1007/s10854-025-14524-5","DOIUrl":"10.1007/s10854-025-14524-5","url":null,"abstract":"<div><p>This study aimed to enhance the instantaneous electromechanical response of a carbon nanotube (CNT)-based electroconductive textile by postulating that the time-dependent electrical components, such as capacitors and inductors formed within the microstructure of such materials, are the primary contributors to their time-dependent resistances observed during mechanical straining. To investigate this, the characteristics and the configurations of these components in a circuit were estimated by employing curve fitting method on the basis of impedance and phase angle data across various frequencies and strain levels. Utilizing the predicted circuit model, the response of the measured resistance under different strain conditions was simulated using finite element method (FEM) under both alternating current (AC) and direct current (DC) supply. The findings indicated that the time-dependent electrical components did not exclusively account for the time-dependent response of the resistance measured during straining of the electroconductive textile. The high-frequency AC power supply also enhanced the instantaneous electromechanical response of the electroconductive textile.</p></div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"36 8","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143638358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bi-doped cobalt ferrite nanoparticles for electromagnetic interference (EMI) shielding applications","authors":"Rahul Kalia,&nbsp;Ankush Chauhan,&nbsp;Rohit Jasrotia,&nbsp;Muhammad Farzik Ijaz,&nbsp;Khalid Mujassam Batoo,&nbsp;Ritesh Verma","doi":"10.1007/s10854-025-14554-z","DOIUrl":"10.1007/s10854-025-14554-z","url":null,"abstract":"<div><p>Herein, we synthesized bismuth (Bi)-doped CoFe₂O₄ nanoparticles using the sol–gel auto-combustion method. X-ray diffraction pattern confirmed the formation of a cubic spinel structure in all samples where crystallite size ranged between 37.03 and 30.03 nm. The lattice parameter ranged between 8.393 and 8.409 Å except for the composition, <i>x</i> = 0.1. Fourier transform infrared spectra revealed the presence of octahedral and tetrahedral vibrational bands of 480–473 cm⁻¹ and 605–588 cm⁻¹, respectively. The Scanning Electron Microscopy and Transmission Electron Microscopy revealed the formation of irregular grains. Energy-dispersive X-ray spectra validated the chemical purity of all the samples. The magnetic studies revealed an increase in saturation magnetization from 54.828 to 79.713 emu/g with the increase in doping concentration due to the spin canting effect. The microwave properties showed a decrease in magnetic loss from 0.198 to 0.132 with an increase in Bi content, whereas dielectric loss increased from 0.242 to 0.422. EMI shielding analysis showed an increase in the shielding effect due to reflection from 9.398 to 10.373 dB with increasing doping concentration. Thus, the prepared samples paved a way for the application of Bi-doped cobalt ferrite in EMI shielding with improved magnetic and electric properties at high frequency.</p></div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"36 8","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143638363","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Synthesis and tuning the morphological and optical features of PS/SiO2–Sb2O3 promising hybrid nanomaterials for radiation shielding and futuristic optoelectronics applications","authors":"Hiba Salman Abdulsalam,&nbsp;Ahmed Hashim,&nbsp;Musaab Khudhur Mohammed","doi":"10.1007/s10854-025-14557-w","DOIUrl":"10.1007/s10854-025-14557-w","url":null,"abstract":"<div><p>The current work objects to develop of novel nanostructures fabricated from polystyrene (PS) doped with silicon dioxide (SiO₂) and antimony dioxide (Sb₂O₃) nanoparticles as promising hybrid nanomaterials that may be employed in advanced radiation shielding and optical applications. The morphological and optical properties of PS/SiO₂–Sb₂O₃ NCs were investigated. The results showed that the SiO₂–Sb₂O₃ nanoparticles were dispersed in the polymeric matrix with uniformly distribution throughout the host polymer. The optical findings showed the absorption (A) of polystyrene was increased of 86% at wavelength (<i>λ</i>) = 300 nm, while the transmittance (T) decreased of 38% as the SiO₂–Sb₂O₃ ratio increased to 6.9 wt%. The energy gap (E_g) of pure PS decreased from 3.6 eV to 1.8 eV when the SiO₂/Sb₂O₃ nanoparticles ratio reached of 6.9 wt%. The optical constants (absorption coefficient, extinction coefficient, refractive index, optical conductivity, and real and imaginary dielectric constants of the PS/SiO₂–Sb₂O₃ nanostructures were improved with adding of SiO₂–Sb₂O₃ nanoparticles. The radiation shielding results showed that the attenuation coefficients were increased with increasing of SiO₂–Sb₂O₃ NPs concentration. Finally, the obtained results indicated that the PS/SiO₂–Sb₂O₃ films are promising nanostructures radiation shielding and futuristic optoelectronics applications.</p></div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"36 8","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143638295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Advancing green energy: synthesis of Li-doped MgFe2O4 nanoporous ferrite for sustainable hydroelectric cells and eco-friendly power generation","authors":"Nilesh Kengar,&nbsp;Atul Teli,&nbsp;Guruprasad Bhinge,&nbsp;Chidanand Kanamadi","doi":"10.1007/s10854-025-14533-4","DOIUrl":"10.1007/s10854-025-14533-4","url":null,"abstract":"<div><p>In this work, a novel hydroelectric cell (HEC) was developed for green electricity generation. This HEC leverages the unique properties of lithium-substituted magnesium ferrite, facilitating water molecule dissociation on octahedrally coordinated unsaturated surface cations and oxygen vacancies. The phase formation was characterized using X-ray diffraction (XRD), revealing crystallite sizes ranging from 36.36 nm to 60.89 nm, sufficient for the reaction. Surface morphology and porosity were examined using field emission scanning electron microscopy (FESEM), showing grain sizes between 100 and 300 nm with optimized porosity. Elemental composition was analyzed using energy-dispersive X-ray spectroscopy (EDAX), and chemical bonding was explored using Fourier-transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS). Additionally, Brunauer–Emmett–Teller (BET) isotherm analysis revealed a high specific surface area of approximately 3.2 m²/g with an average pore size of 25 nm, providing more active sites for electrochemical reactions. Magnetic properties with magnetization upto 27.7 emu/g and low coercivity were assessed using a vibrating sample magnetometer (VSM), while the electrochemical behaviour was studied through electrochemical impedance spectroscopy (EIS) showing that impedance of the cell decreases from 10⁷ Ω to 10 Ω during the reaction. Performance evaluation showed that water dissociates into hydroxide and hydronium ions whenby sprinkled. Confined hydronium ions within the nanopores generate an electric field that accelerates the dissociation process, enhancing the ionic current. The resulting voltage and electric current are produced through the oxidation of the Zn electrode by hydroxide ions and the reduction of H₃O⁺ at the Ag electrode. The developed HEC, with an area of 19.6 cm², achieves a maximum output power of 15 mW, a short-circuit current of 50 mA, and a voltage of 1.23 V. This HEC demonstrates consistent and repetitive performance, offering a promising and efficient alternative for renewable energy generation.</p></div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"36 8","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143638357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Time-dependent behaviour of dielectric properties of Co/Zn-doped PVA interlayered Schottky structures after gamma-ray exposure","authors":"Hüseyin Tecimer","doi":"10.1007/s10854-025-14535-2","DOIUrl":"10.1007/s10854-025-14535-2","url":null,"abstract":"<div><p>This study examines the radiation-dependent dielectric properties of an Au/(Co/Zn)-doped PVA/n-Si MPS-type Schottky structure (SS). Capacitance/conductance-voltage (<i>C/(G/ω)−V</i>) measurements were taken at 1 MHz frequency before and after 22 kGy radiation application on the 1st, 3rd, 5th, 10th, 20th, and 30th days. The dielectric constant (<i>ε'</i>) and dielectric loss (<i>ε''</i>) parameters were calculated using the impedance/admittance spectroscopy method. The results indicate that the most significant difference occurred on the first day after irradiation. In the subsequent days, particularly on the 30th day, the values closely approached those of the unirradiated sample (U.S). Similar results were obtained for loss tangent (<i>tan(δ)),</i> ac-conductivity (<i>σ</i>_<i>ac</i>), and the complex electric modulus (<i>M*</i>), including both the real (<i>M'</i>) and imaginary (<i>M''</i>) parts. The results indicate that the sample is mainly affected by the transient effects of radiation, but there are also permanent radiation effects present. The results show that the polarisation mechanism, which is a crucial factor in dielectric properties, can be explained by the Maxwell–Wagner dispersion model based on Koop’s theory. The study concluded that the Au/(Co/Zn)-doped PVA/n-Si MPS-type SS can be safely and accurately used as a rectifier contact even after exposure to 22 kGy radiation.</p></div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"36 8","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10854-025-14535-2.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143638361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Chemiresistive gas-sensing properties of spray-deposited In2O3 thin films","authors":"S. B. Patil,&nbsp;G. E. Patil,&nbsp;S. B. Jadhav,&nbsp;V. L. Patil,&nbsp;P. B. Sarawade","doi":"10.1007/s10854-025-14520-9","DOIUrl":"10.1007/s10854-025-14520-9","url":null,"abstract":"<div><p>\u0000In the present work, In₂O₃ nanorods thin films were successfully prepared by spraying indium trichloride on the hot glass plate at 300 °C. The developed films were characterized with X-ray diffraction (XRD), Field emission scanning electron microscopy (FE-SEM), and Transmission electron microscopy (TEM) techniques to recognize the crystalline nature, exterior morphology, and microstructure characteristics. The crystal nature and grain size were found to be less than 18, 70, and 50 nm, respectively. The efficiency of gas sensing of the as-developed self-assembled thin films of In₂O₃ nanorods, sprayed for various absorptions of the solution, was examined on disclosure of different traditional gases. The thin film prepared for 0.1 M (Sample = S2) concentration was detected to be of utmost delicate (<i>S</i> = 3280) to ethanol at 300 °C. The sensor demonstrates rapid reaction (5 s) and rapid retrieval (8 s).</p></div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"36 8","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143638186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigation of structural, magnetic, and electromagnetic properties of bismuth and zinc co-doped magnesium ferrite nanoparticles","authors":"Ankush Chauhan,&nbsp;Rohit Duglet,&nbsp;Garima Rana,&nbsp;Subha Krishna Rao,&nbsp;Khalid M. Alotaibi,&nbsp;Krishan Kumar Yadav,&nbsp;Vishal Dutta,&nbsp;Ritesh Verma","doi":"10.1007/s10854-025-14517-4","DOIUrl":"10.1007/s10854-025-14517-4","url":null,"abstract":"<div><p>Herein, we investigated the structural, microstructural, optical, magnetic, dielectric, electrochemical and electromagnetic properties of zinc and bismuth co-doped magnesium nanoferrites. The crystallite sizes varied between 19.68 nm and 26.00 nm, whereas lattice parameters and other structural parameters also changed due to the co-doping. Scanning Electron Microscopy (SEM) micrographs showed the flake-like morphology with homogeneous distribution of grains and the grain size ranges from 2.59 to 4.42 μm. UV–Visible spectroscopy showed the increase in bandgap energy from 1.57 to 1.67 eV with co-doping. Electrochemical analysis suggested improved charge/discharge capacity and cycling stability with co-doping. The prepared samples exhibited low dielectric and magnetic loss tangents, moderate relative permittivity, and permeability, rendering them suitable for X-band antennas. The combined effect of Bi and Zn doping resulted in enhanced performance, allowing for the development of novel antenna designs and applications at high frequencies within the 8.2–12.4 GHz range, with greater functionality and efficiency. Variation of doping concentrations was seen in the studies of saturation magnetization, coercivity, and remanence. Doping enhances magnetic anisotropy, which allows for adjustable stability in magnetic orientations, rendering them well suited for multifunctional applications.</p></div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"36 8","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143632505","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Radiation-induced Y2O3:Eu phosphor: thermoluminescence characterization and trapping parameter investigations","authors":"Yash D. Narad,&nbsp;Yatish R. Parauha,&nbsp;Naumov G. Nikolay,&nbsp;S. J. Dhoble","doi":"10.1007/s10854-025-14505-8","DOIUrl":"10.1007/s10854-025-14505-8","url":null,"abstract":"<div><p>In this study, a series of Y₂O₃:Eu phosphors with varying concentrations of europium (Eu) were synthesized using the solid-state reaction method. The prepared materials underwent comprehensive characterization through multiple techniques, including X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FT-IR), and thermoluminescence (TL) analysis. The XRD data were subjected to Rietveld refinement to investigate phase formation and structural properties. The thermoluminescent properties of the synthesized phosphors were assessed by subjecting the samples to different excitation sources, namely gamma rays, carbon ion beams, and oxygen ion beams. The results indicated that the Y₂O₃:Eu phosphor exposed to gamma rays exhibited the highest TL emission intensity when the Eu concentration was at 0.5 mol%. Conversely, the Y₂O₃:Eu phosphor exposed to carbon ion and oxygen ion beams displayed the highest TL emission intensity at a lower Eu concentration of 0.3 mol%. The analysis of traps involved in material was deconvolute the glow curves using Glow Curve Deconvolution (GCD) method. Additionally, trapping parameters were calculated using the GCD method, Chen's peak shape analysis, and the Initial Rise method. The findings of this investigation suggest that the prepared Y₂O₃:Eu phosphors hold significant potential for future research in dosimetry applications.</p></div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"36 8","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143629631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Magnetite nanoparticles-based triboelectric nanogenerators for self-powering applications","authors":"Anu Kulandaivel,&nbsp;Supraja Potu,&nbsp;Navaneeth Madathil,&nbsp;Mahesh Velpula,&nbsp;Anjaly Babu,&nbsp;Uday Kumar Khanapuram,&nbsp;Rakesh Kumar Rajaboina","doi":"10.1007/s10854-025-14422-w","DOIUrl":"10.1007/s10854-025-14422-w","url":null,"abstract":"<div><p>The growing demand for sustainable and efficient power sources for low-power consumption electronic devices has directed attention toward triboelectric nanogenerators (TENGs). The present study addresses the challenge of identifying suitable materials that can enhance energy conversion efficiency while maintaining cost-effective and straightforward synthesis techniques. We report the fabrication and performance of a TENG using pure magnetite (Fe₃O₄) nanoparticles synthesized via a chemical co-precipitation method. The structural and morphological characteristics of the Fe₃O₄ nanoparticles were thoroughly analyzed. The TENG (5 × 5 cm²) was constructed with Fe₃O₄ nanoparticles as the positive triboelectric layer and fluorinated ethylene propylene (FEP) as the opposite frictional layer. The Fe₃O₄/FEP TENG demonstrated an output voltage of 320 V, a current of 175 µA, and a power density of 4.43 W/m², surpassing previously reported values. The device was tested for practical applications by successfully powering 360 LEDs, a calculator, a digital watch, and a hygrometer. This work highlights the feasibility of using Fe₃O₄ nanoparticles in TENGs for self-powering electronic devices, providing a promising avenue for sustainable energy solutions.</p></div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"36 8","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143629632","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}