Materials Science and Engineering: B最新文献

筛选
英文 中文
Technical analysis of a combined heating and power system based on solid oxide fuel cell for building application
IF 3.9 3区 材料科学
Materials Science and Engineering B-advanced Functional Solid-state Materials Pub Date : 2024-11-30 DOI: 10.1016/j.mseb.2024.117871
Guang Li , Congjiu Li , Yu Li , Pinguo Zou , Jing Liu , Nanqi Li , Lichao Jia
{"title":"Technical analysis of a combined heating and power system based on solid oxide fuel cell for building application","authors":"Guang Li ,&nbsp;Congjiu Li ,&nbsp;Yu Li ,&nbsp;Pinguo Zou ,&nbsp;Jing Liu ,&nbsp;Nanqi Li ,&nbsp;Lichao Jia","doi":"10.1016/j.mseb.2024.117871","DOIUrl":"10.1016/j.mseb.2024.117871","url":null,"abstract":"<div><div>A combined heating and power system (CHP) based on solid oxide fuel cells (SOFCs) is established to meet the electrical and heating demand of a 1645 m<sup>2</sup> building. Given the high cost of SOFC, this study employs a strategy to minimize cell count while meeting the building’s maximum demand. Hydrogen and natural gas are employed as fuels for system utilization. To satisfy the average electricity power, the system efficiency fueled by hydrogen and natural gas is 90.3% and 90.1%, while the electrical efficiency is 63.0% and 48.1%, respectively. When conditions change to meet the peak electricity power, the system efficiency drops to 67.2% and 71.2%, and electrical efficiency drops to 30.7% and 23.8%, respectively. Power supply and heat supply need to be comprehensively considered and flexibly regulated, and efficient operation modes should be adopted as far as possible under the premise of ensuring building energy consumption.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"312 ","pages":"Article 117871"},"PeriodicalIF":3.9,"publicationDate":"2024-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743609","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of highly thermal-stable blue emitting Y4Al2O9:Bi3+ phosphors for w-LEDs, fingerprint and data security applications
IF 3.9 3区 材料科学
Materials Science and Engineering B-advanced Functional Solid-state Materials Pub Date : 2024-11-30 DOI: 10.1016/j.mseb.2024.117833
R. Arunakumar , B.R. Radha Krushna , G. Ramakrishna , G.R. Mamatha , S.C. Sharma , Satish Kumar , P. Suvarna , Liza Mohapatra , Augustine George , R. Sudarmani , H. Nagabhushana
{"title":"Development of highly thermal-stable blue emitting Y4Al2O9:Bi3+ phosphors for w-LEDs, fingerprint and data security applications","authors":"R. Arunakumar ,&nbsp;B.R. Radha Krushna ,&nbsp;G. Ramakrishna ,&nbsp;G.R. Mamatha ,&nbsp;S.C. Sharma ,&nbsp;Satish Kumar ,&nbsp;P. Suvarna ,&nbsp;Liza Mohapatra ,&nbsp;Augustine George ,&nbsp;R. Sudarmani ,&nbsp;H. Nagabhushana","doi":"10.1016/j.mseb.2024.117833","DOIUrl":"10.1016/j.mseb.2024.117833","url":null,"abstract":"<div><div>A new blue-emitting Y<sub>4</sub>Al<sub>2</sub>O<sub>9</sub>:Bi<sup>3+</sup> (YAO:Bi<sup>3+</sup>) phosphor is synthesized using the solution combustion method with mushroom extract as a binder. Its structural properties, concentration effects, temperature-dependent luminescence, and performance in LED devices are thoroughly investigated. Upon excitation at 367 nm, a strong blue light emission at 423 nm is observed, attributed to the <sup>3</sup>P<sub>1</sub>→<sup>1</sup>S<sub>0</sub> transition of Bi<sup>3+</sup>. The quantum efficiency reached approximately 63.5 %. The CIE diagram shows that the emission colour falls within the intense blue region, achieving a colour purity (CP) of 94 %. YAO:Bi<sup>3+</sup> exhibits strong absorption in the near-ultraviolet range (330–400 nm), making it suitable for LEDs powered by near-ultraviolet chips. A thermal quenching experiment revealed an activation energy (E<sub>a</sub>) of 0.323 eV, indicating that this YAO:Bi<sup>3+</sup> phosphor possesses good thermal stability. This study showcases the use of YAO:Bi<sup>3+</sup> phosphor in encapsulated LED devices. The device’s Commission Internationale de l’Éclairage (CIE) coordinates are (0.325, 0.310), with a high colour rendering index (CRI) of 94.70 and a low correlated colour temperature (CCT) of 5915 K at a current of 120 mA. These properties indicate that this phosphor is suitable for developing white LED devices powered by near-ultraviolet chips. The optimized YAO:Bi<sup>3+</sup> phosphor is employed to enhance the detection of Level I-III fingerprint (FP) details with high resolution and contrast, showing effective visualization of latent fingerprints (LFPs) on various substrates. Furthermore, it is used as a model for developing fluorescent ink, which is applied to different media. The results suggest that YAO:Bi<sup>3+</sup> phosphor has significant potential for applications in w-LEDs, advanced forensics, and anti-counterfeiting ink technologies.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"312 ","pages":"Article 117833"},"PeriodicalIF":3.9,"publicationDate":"2024-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142757641","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Probing the opto-electronic, thermoelectric, thermodynamic and elastic responses of lead-free double perovskite Li2ATlCl6 (A = Na and K) for potential photovoltaic and high- energy applications: A DFT study
IF 3.9 3区 材料科学
Materials Science and Engineering B-advanced Functional Solid-state Materials Pub Date : 2024-11-30 DOI: 10.1016/j.mseb.2024.117860
Qiguo Xiao , Abrar Nazir , Ejaz Ahmad Khera , Mumtaz Manzoor , Ramesh Sharma , Javed Rahman , Sabah Ansar , Farooq Ali
{"title":"Probing the opto-electronic, thermoelectric, thermodynamic and elastic responses of lead-free double perovskite Li2ATlCl6 (A = Na and K) for potential photovoltaic and high- energy applications: A DFT study","authors":"Qiguo Xiao ,&nbsp;Abrar Nazir ,&nbsp;Ejaz Ahmad Khera ,&nbsp;Mumtaz Manzoor ,&nbsp;Ramesh Sharma ,&nbsp;Javed Rahman ,&nbsp;Sabah Ansar ,&nbsp;Farooq Ali","doi":"10.1016/j.mseb.2024.117860","DOIUrl":"10.1016/j.mseb.2024.117860","url":null,"abstract":"<div><div>The physical properties of double halide perovskite Li<sub>2</sub>ATlCl<sub>6</sub> (A = Na and K) were examined through a first-principles study and semi-classical Boltzmann theory using the WEIN2k package, focusing on renewable energy generation and solar cell applications. Research on halides is growing within the optoelectronics and thermoelectric field and is anticipated to meet energy shortage demands. The volume-energy diagram confirms their structural stability, while the Pugh and Poisson ratios suggest ductility based on their elastic properties. The electronic properties were analyzed, and bandgaps were calculated using modified Becke-Johnson (mBJ) potentials, yielding bandgaps of 3.51 eV and 2.97 eV for Li<sub>2</sub>ATlCl<sub>6</sub> (A = Na and K) respectively. The optical properties, evaluated using complex dielectric functions, indicated optimal light absorption in the infrared (IR) regions. Additionally, the thermoelectric (TE) properties of Li<sub>2</sub>ATlCl<sub>6</sub> (A = Na and K) were analyzed using semi classical Boltzmann theory with a constant relaxation time approximation. At 1200 K, the calculated figures of merit (ZT) values were 0.75 and 0.69, respectively, indicating their potential for thermoelectric applications. Also, the thermodynamic properties are computed under pressure (0–15 GPa) and temperature (0–1200 K). These investigations offer a profound comprehension of these materials for their further employment. These results highlight their potential for optoelectronic device applications and are expected to encourage further experimental research on the feasibility of Li<sub>2</sub>ATlCl<sub>6</sub> (A = Na and K) for optical devices.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"312 ","pages":"Article 117860"},"PeriodicalIF":3.9,"publicationDate":"2024-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142757575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A non-enzymatic electrochemical sensor based on zinc oxide/reduced graphene oxide (ZnO/rGO) nanocomposite for effective detection of urea
IF 3.9 3区 材料科学
Materials Science and Engineering B-advanced Functional Solid-state Materials Pub Date : 2024-11-29 DOI: 10.1016/j.mseb.2024.117862
S.M. Aparna, R.B. Rakhi
{"title":"A non-enzymatic electrochemical sensor based on zinc oxide/reduced graphene oxide (ZnO/rGO) nanocomposite for effective detection of urea","authors":"S.M. Aparna,&nbsp;R.B. Rakhi","doi":"10.1016/j.mseb.2024.117862","DOIUrl":"10.1016/j.mseb.2024.117862","url":null,"abstract":"<div><div>Monitoring urea levels is essential for detecting water and soil pollution and diagnosing urea cycle disorder-related diseases. The present study addresses the need for an efficient, accurate, and cost-effective detection method by developing an electrochemical sensor using ZnO/rGO nanocomposites. The sensor’s performance is evaluated through cyclic voltammetry, differential pulse voltammetry, and amperometry, with different weight ratios of ZnO and rGO (3:1, 1:1, and 1:3). The results show that the ZnO/rGO (1:1) nanocomposite modified electrode exhibits remarkable sensitivity (850.15 μA<sup>-1</sup> mM<sup>−1</sup> cm<sup>−2</sup>), a low limit of detection (0.07 μM), excellent selectivity, and long-term stability for urea detection. Developed sensor leverages the advantages of electrochemical sensing, including simplicity, rapid response, high sensitivity, and good selectivity, making it a promising solution for environmental monitoring and medical diagnostics.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"312 ","pages":"Article 117862"},"PeriodicalIF":3.9,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743611","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Numerical design and optimization of Sb2S3/SnS2 heterojunction solar cells: Performance analysis and insights
IF 3.9 3区 材料科学
Materials Science and Engineering B-advanced Functional Solid-state Materials Pub Date : 2024-11-29 DOI: 10.1016/j.mseb.2024.117873
Ubaid Ur Rehman , Rasmiah S. Almufarij , Elsammani Ali Shokralla , Kashaf Ul Sahar , A.R. Abd-Elwahed , Islam Ragab , Mohamed Abdelsabour Fahmy , Salhah Hamed Alrefaee , Arslan Ashfaq , Chun-Ming Wang
{"title":"Numerical design and optimization of Sb2S3/SnS2 heterojunction solar cells: Performance analysis and insights","authors":"Ubaid Ur Rehman ,&nbsp;Rasmiah S. Almufarij ,&nbsp;Elsammani Ali Shokralla ,&nbsp;Kashaf Ul Sahar ,&nbsp;A.R. Abd-Elwahed ,&nbsp;Islam Ragab ,&nbsp;Mohamed Abdelsabour Fahmy ,&nbsp;Salhah Hamed Alrefaee ,&nbsp;Arslan Ashfaq ,&nbsp;Chun-Ming Wang","doi":"10.1016/j.mseb.2024.117873","DOIUrl":"10.1016/j.mseb.2024.117873","url":null,"abstract":"<div><div>This work introduces the numerical modeling of novel Sb<sub>2</sub>S<sub>3</sub>/SnS<sub>2</sub> based heterojunction solar cells using the SCAPS-1D. The designed solar cell configuration characterized by FTO/SnS<sub>2</sub>/Sb<sub>2</sub>S<sub>3</sub>/Metal was thoroughly examined, considering parameters such as thickness, energy bandgap, acceptor and donor densities, defect density at interface, and the corresponding metal work function respectively. Our design illustrates that appropriate optimization can substantially boost the device’s performance, achieving an impressive PCE of 23.32 %, accompanied by a V<sub>oc</sub> of 1.325 V, J<sub>sc</sub> of 19.72 mA/cm<sup>2</sup>, and an FF of 89.22 %. This enhanced device performance was assessed and linked to enhanced light absorption and reduced recombination losses because of the optimized setup. Additionally, this research underscores the viability of SnS<sub>2</sub> as an effective buffer layer to achieve high efficiency in thin film solar cells. These findings reveal that inorganic Sb<sub>2</sub>S<sub>3</sub>/SnS<sub>2</sub> heterojunction solar cells are promising contenders for applications in photovoltaic technology.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"312 ","pages":"Article 117873"},"PeriodicalIF":3.9,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Unlocking the potential of metal Molybdates: A simple chemical method for synthesis and their photocatalytic properties under visible light irradiation
IF 3.9 3区 材料科学
Materials Science and Engineering B-advanced Functional Solid-state Materials Pub Date : 2024-11-29 DOI: 10.1016/j.mseb.2024.117802
Bittu Singh , Anjali Bhoj , Bhuwan Chandra , Mohamed A. Ghanem , Tirupathi Patri , Nipa Roy , Sang Woo Joo
{"title":"Unlocking the potential of metal Molybdates: A simple chemical method for synthesis and their photocatalytic properties under visible light irradiation","authors":"Bittu Singh ,&nbsp;Anjali Bhoj ,&nbsp;Bhuwan Chandra ,&nbsp;Mohamed A. Ghanem ,&nbsp;Tirupathi Patri ,&nbsp;Nipa Roy ,&nbsp;Sang Woo Joo","doi":"10.1016/j.mseb.2024.117802","DOIUrl":"10.1016/j.mseb.2024.117802","url":null,"abstract":"<div><div>This study presents a comprehensive characterization of metal molybdate compounds (ZnMoO<sub>4</sub>, NiMoO<sub>4</sub>, and CuMoO<sub>4</sub>) synthesized via a hydrothermal method followed by a conventional solid-state reaction. Detailed structural and morphological analyses were conducted using X-ray diffraction (XRD) to confirm phase purity and crystal structures, scanning electron microscopy (SEM) and FE-TEM for morphological characterization, and X-ray photoelectron spectroscopy (XPS) for surface chemical composition. Raman spectroscopy provided insights into band mode vibrations in MoO<sub>3</sub> and its metal molybdates, while UV–Vis spectroscopy was employed to estimate the band gaps. The photocatalytic performance of these compounds was assessed through the degradation of methylene blue dye under visible light irradiation, with CuMoO<sub>4</sub> (CM) demonstrating superior activity, followed by NiMoO<sub>4</sub> (NM) and ZnMoO<sub>4</sub> (ZM). Remarkably, CM achieved over 99.5% degradation of RhB dye within 180 min, outperforming the other molybdates. Stability tests over three cycles revealed negligible catalyst loss after 630 min, affirming the exceptional stability of CM compared to ZM and NM. Furthermore, the efficacy of MO and ZM as heterogeneous catalysts for the degradation of mixed organic dye pollutants from textile industry effluents was evaluated, underscoring the significant potential of these metal molybdates, particularly CM, for environmental remediation applications.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"312 ","pages":"Article 117802"},"PeriodicalIF":3.9,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743614","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comprehensive review of Sodium-Ion Batteries: Principles, Materials, Performance, Challenges, and future Perspectives
IF 3.9 3区 材料科学
Materials Science and Engineering B-advanced Functional Solid-state Materials Pub Date : 2024-11-28 DOI: 10.1016/j.mseb.2024.117870
Peeyush Phogat , Subhadeepa Dey , Meher Wan
{"title":"Comprehensive review of Sodium-Ion Batteries: Principles, Materials, Performance, Challenges, and future Perspectives","authors":"Peeyush Phogat ,&nbsp;Subhadeepa Dey ,&nbsp;Meher Wan","doi":"10.1016/j.mseb.2024.117870","DOIUrl":"10.1016/j.mseb.2024.117870","url":null,"abstract":"<div><div>Sodium-ion batteries (SIBs) are emerging as a viable alternative to lithium-ion batteries (LIBs) due to their cost-effectiveness, abundance of sodium resources, and lower environmental impact. This comprehensive review explores the fundamental principles, materials, and performance characteristics of SIBs. It highlights recent advancements in cathode and anode materials, electrolytes, and cell design, addressing the challenges of lower energy density and material stability. The potential of SIBs in large-scale energy storage, integration with renewable energy sources, and contribution to the circular economy are discussed. The review emphasizes the long-term prospects and innovations that could drive the commercialization of SIBs, making them a crucial technology for sustainable energy solutions. This study provides valuable insights into the current state of SIB research, offering a roadmap for future developments in this field.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"312 ","pages":"Article 117870"},"PeriodicalIF":3.9,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743608","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The thermal behavior of silicone-based composite materials and the assessment of the gases that result from the thermal degradation process
IF 3.9 3区 材料科学
Materials Science and Engineering B-advanced Functional Solid-state Materials Pub Date : 2024-11-28 DOI: 10.1016/j.mseb.2024.117855
Alina Soroceanu, Alexandru M. Serban, Nita Tudorachi, Mihaela Avadanei
{"title":"The thermal behavior of silicone-based composite materials and the assessment of the gases that result from the thermal degradation process","authors":"Alina Soroceanu,&nbsp;Alexandru M. Serban,&nbsp;Nita Tudorachi,&nbsp;Mihaela Avadanei","doi":"10.1016/j.mseb.2024.117855","DOIUrl":"10.1016/j.mseb.2024.117855","url":null,"abstract":"<div><div>A series of composite materials were prepared on the basis of polydimethylsiloxane (PDMS) having different siloxane functionality, filled with two types of metal complexes containing siloxane segment, derived from condensation of 1,3-bis(3-aminopropyl)tetramethyldisiloxane with 3,5-di-<em>tert</em>-butyl-2-hydroxibenzaldehyde and 5-chloro-2-hydroxibenzaldehyde. The main objective of the proposed study is to introduce transition metal complexes with Schiff-base ligands that contain siloxane spacers into the PDMS matrix and examine the effect these complexes have on thermal stability. We investigated the produced gases using thermogravimetry coupled with FTIR and MS in order to analyze the thermal stability and degradation pathways of a variety of silicone composite materials.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"312 ","pages":"Article 117855"},"PeriodicalIF":3.9,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743612","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Line-tunneling based GaP/Si heterostructure vertical gate-all-around tunnel FET for enhanced electrical performance
IF 3.9 3区 材料科学
Materials Science and Engineering B-advanced Functional Solid-state Materials Pub Date : 2024-11-28 DOI: 10.1016/j.mseb.2024.117875
Jagadeesh Babu Bokka , Bhaskara Venkata Jagannadham Doddi
{"title":"Line-tunneling based GaP/Si heterostructure vertical gate-all-around tunnel FET for enhanced electrical performance","authors":"Jagadeesh Babu Bokka ,&nbsp;Bhaskara Venkata Jagannadham Doddi","doi":"10.1016/j.mseb.2024.117875","DOIUrl":"10.1016/j.mseb.2024.117875","url":null,"abstract":"<div><div>This study explores strategies to enhance Tunnel FET performance through innovative device geometry and heterostructure integration. The use of a GaP/Si heterostructure, combined with a heavily doped n + source pocket, significantly boosts BTBT (band-to-band tunneling). The gate, which completely surrounds the source, induces line-tunneling and improves gate control over the tunnel junction, further contributing to enhanced device performance. The incorporation of a gate-drain underlap architecture and a vertically oriented design effectively suppresses ambipolar and leakage currents, resulting in an increased current ratio, reduced subthreshold slope (SS), and a minimized device footprint. Comparative analysis with existing TFET architectures shows that the optimized device achieves promising results, including an average SS of 13 mV/decade, an off-current (I<sub>off</sub>) of 2.36 <span><math><mrow><mo>×</mo></mrow></math></span> 10<sup>-17</sup> A, an on-current (I<sub>on</sub>) of 2.1 <span><math><mrow><mo>×</mo></mrow></math></span> 10<sup>-5</sup> A, and an ambipolar current (I<sub>amb</sub>) of 3.28 <span><math><mrow><mo>×</mo></mrow></math></span> 10<sup>-16</sup> A.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"312 ","pages":"Article 117875"},"PeriodicalIF":3.9,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bandwidth expansion effects and electromagnetic wave loss mechanisms in Y2Co8Fe9 powders with multiple particle size distributions
IF 3.9 3区 材料科学
Materials Science and Engineering B-advanced Functional Solid-state Materials Pub Date : 2024-11-28 DOI: 10.1016/j.mseb.2024.117852
Xiaoyun Shang , Wenfeng Wang , Xiangyun Huang , Sijia Wang , Min Chen , Haoran Tu , Guoguo Tan
{"title":"Bandwidth expansion effects and electromagnetic wave loss mechanisms in Y2Co8Fe9 powders with multiple particle size distributions","authors":"Xiaoyun Shang ,&nbsp;Wenfeng Wang ,&nbsp;Xiangyun Huang ,&nbsp;Sijia Wang ,&nbsp;Min Chen ,&nbsp;Haoran Tu ,&nbsp;Guoguo Tan","doi":"10.1016/j.mseb.2024.117852","DOIUrl":"10.1016/j.mseb.2024.117852","url":null,"abstract":"<div><div>Electromagnetic interference and radiation demand advanced absorbing materials to moderate pollution. In this work, the wide bandwidth and strong absorption electromagnetic wave absorbing material Y<sub>2</sub>Co<sub>8</sub>Fe<sub>9</sub> powder was prepared by the plasma-assisted ball milling method, and the microstructure and electromagnetic wave absorption mechanism were systematically investigated. The particle size of Y<sub>2</sub>Co<sub>8</sub>Fe<sub>9</sub> powder was optimized to enhance absorption properties, resulting in a minimum reflection loss of −41.4 dB after 2 h of ball milling, with an effective absorption bandwidth (EAB) of 7.6 GHz at a thickness of 1.6 mm. The concept of average loss is introduced based on the synergistic effect of dielectric and magnetic losses. It is demonstrated that an average loss within 0.45 leads to desirable EAB values. These results demonstrate the significance of determining the influence of particle size distributions and average losses on material absorption performance, providing an innovative perspective to preparing efficient wave-absorbing materials.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"312 ","pages":"Article 117852"},"PeriodicalIF":3.9,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信