Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms最新文献_第3页

Performance testing a portable 109Cd XRF system for the measurement of ex vivo skin iron content in a rat model of iron overload 便携式109Cd XRF系统在铁超载大鼠模型中测量离体皮肤铁含量的性能测试

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-04-09 DOI: 10.1016/j.nimb.2025.165696

Sami Ullah Bangash PhD , Fiona E. McNeill , Michael J. Farquharson , Bruce Wainman , Michelle Zeller

{"title":"Performance testing a portable 109Cd XRF system for the measurement of ex vivo skin iron content in a rat model of iron overload","authors":"Sami Ullah Bangash PhD , Fiona E. McNeill , Michael J. Farquharson , Bruce Wainman , Michelle Zeller","doi":"10.1016/j.nimb.2025.165696","DOIUrl":"10.1016/j.nimb.2025.165696","url":null,"abstract":"<div><div>The ability of a <sup>109</sup>Cd-based portable X-ray fluorescence (<sup>109</sup>Cd pXRF) system to differentiate iron (Fe) levels in the ex vivo skin of 28 rats dosed with Fe<sup>2+</sup> via intraperitoneal injection has been tested. The 28 animals included control rats and those dosed with either 80 mg Fe<sup>2+</sup>/kg or 160 mg Fe<sup>2+</sup>/kg. The system was able to distinguish between groups of control and dosed rats based on their measured skin iron concentration (p = 0.001 and p = 0.002). Further, linear regression analysis of individual rat skin Fe levels against Fe<sup>2+</sup> dose in mg/kg showed a strong correlation (r<sup>2</sup> = 0.84, p < 0.0001) and indicated that the system could determine whether individual animals had been dosed with Fe. Strong correlation (r<sup>2</sup> = 0.85, p < 0.0001) between the <sup>109</sup>Cd pXRF system skin Fe measurements and skin Fe measurements using a laboratory-based XRF system (which had previously shown a correlation between skin Fe and with liver Fe) suggest that <sup>109</sup>Cd pXRF measurements could be used to predict elevated Fe levels in the liver.</div></div>","PeriodicalId":19380,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms","volume":"563 ","pages":"Article 165696"},"PeriodicalIF":1.4,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143808073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Effects of Ge ion irradiation on dielectric properties of Si-based PiN diodes 锗离子辐照对硅基PiN二极管介电性能的影响

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-04-09 DOI: 10.1016/j.nimb.2025.165692

Chengyuan Wu , Huan Tan , Yumeng Yang , Zhimei Yang , Weihao Lin , Lijun Wang , Min Gong , Mingmin Huang , Yao Ma , Yun Li

{"title":"Effects of Ge ion irradiation on dielectric properties of Si-based PiN diodes","authors":"Chengyuan Wu , Huan Tan , Yumeng Yang , Zhimei Yang , Weihao Lin , Lijun Wang , Min Gong , Mingmin Huang , Yao Ma , Yun Li","doi":"10.1016/j.nimb.2025.165692","DOIUrl":"10.1016/j.nimb.2025.165692","url":null,"abstract":"<div><div>The effects of 212 MeV Ge ion irradiation with various irradiation fluences on the dielectric properties of Si-based PiN diodes have been investigated. SRIM simulations demonstrate that Ge ion irradiation primarily induces silicon vacancy (<em>V<sub>Si</sub></em>) defects, leading to the alteration of the silicon lattice structure. The electrical characterization analysis indicates that the impact of Ge ion irradiation on the electrical characteristics of the device is negligible. However, there is a positive correlation between the variation in the dielectric constant (<em>ε’</em>) and the irradiation fluence, wherein <em>ε’</em> peak shifts towards higher frequencies and the dielectric loss (<em>ε’’</em>) decreases. Raman spectroscopy reveals a significant decrease in the intensity of the main peak at 525 cm<sup>−1</sup>, accompanied by an increase in the full width at half maximum (FWHM). These observations suggest that Si-Si bonds within the silicon lattice structure might have been broken due to Ge ion irradiation. The deep level transient spectroscopy (DLTS) results also demonstrate a positive correlation between the <em>V<sub>2</sub><sup>(0/−)</sup></em> bulk defects and irradiation fluence. These findings provide important insights into the design of radiation hardened devices, particularly relevant to aerospace and nuclear applications. Furthermore, the correlation between bulk defects and dielectric behaviour provides new avenues for optimizing high-frequency communication systems and energy-efficient semiconductor devices, thus enhancing the relevance of silicon technology in next-generation electronics.</div></div>","PeriodicalId":19380,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms","volume":"563 ","pages":"Article 165692"},"PeriodicalIF":1.4,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143808074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Irradiation-induced formation of G-phase precipitates and M2X carbides in self-ion irradiated HT-9 自离子辐照HT-9中g相沉淀和M2X碳化物的辐照诱导形成

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-04-05 DOI: 10.1016/j.nimb.2025.165703

Sohail Shah , Miguel Pena , Yongchang Li , Mukesh Bachhav , Xinchang Zhang , Nathaniel W. Thomas , Cheng Sun , Frank A. Garner , Michael Nastasi , Lin Shao

{"title":"Irradiation-induced formation of G-phase precipitates and M2X carbides in self-ion irradiated HT-9","authors":"Sohail Shah , Miguel Pena , Yongchang Li , Mukesh Bachhav , Xinchang Zhang , Nathaniel W. Thomas , Cheng Sun , Frank A. Garner , Michael Nastasi , Lin Shao","doi":"10.1016/j.nimb.2025.165703","DOIUrl":"10.1016/j.nimb.2025.165703","url":null,"abstract":"<div><div>Ferritic-martensitic steels with high chromium content are a promising material group for advanced nuclear systems due to their high temperature strength and good irradiation tolerance. HT-9 is an optimized and often-studied alloy in this group, but additional studies are required on its radiation response under extreme conditions to be experienced in various types of nuclear reactors, especially with respect to phase stability under irradiation. Self-ion irradiation of HT-9 by 5 MeV Fe ions was used to simulate neutron-induced behavior reaching peak doses of 100 and 300 dpa at temperatures ranging from 450 to 550 °C. M<sub>23</sub>C<sub>6</sub> carbides that existed prior to irradiation were found to remain stable under all examined irradiation conditions. As irradiation progressed at 450 and 500 °C, however, formation of spherical-like G-phase precipitates and needle-like M<sub>2</sub>X carbides was observed. G-phase precipitates were found to be enriched in Ni, Si, and Mn, and show no interface segregation, whereas needle-like M<sub>2</sub>X carbides were rich in Cr and Mo and clearly displayed interface segregation of Ni and Si. M<sub>2</sub>X carbide formation is believed to be assisted by vacancies, while G-phase precipitation is thought to be assisted by interstitials. This difference in defect-mediated formation leads to a difference in distribution with depth. M<sub>2</sub>X carbides are distributed over shallower depths than that of G-phase precipitates, consistent with defect imbalance predictions that consider the influence of the injected interstitial effect.</div></div>","PeriodicalId":19380,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms","volume":"563 ","pages":"Article 165703"},"PeriodicalIF":1.4,"publicationDate":"2025-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143783063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

L-shell X-ray production cross sections in some lanthanoids induced by He+ ions He+离子诱导的某些类镧的l壳层x射线生成截面

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-04-05 DOI: 10.1016/j.nimb.2025.165693

Felix S. Olise, Adedamola D. Aladese

{"title":"L-shell X-ray production cross sections in some lanthanoids induced by He+ ions","authors":"Felix S. Olise, Adedamola D. Aladese","doi":"10.1016/j.nimb.2025.165693","DOIUrl":"10.1016/j.nimb.2025.165693","url":null,"abstract":"<div><div>For some relevant applications, the inner-shell process involving interactions between ions and atoms has been widely investigated. In this study, L-shell X-ray production cross sections of industrially important lanthanoids, induced by helium of energies <span><math><mrow><mn>0</mn><mo>.</mo><mn>2</mn><mspace></mspace><mi>MeV</mi></mrow></math></span> to <span><math><mrow><mn>3</mn><mo>.</mo><mn>0</mn><mspace></mspace><mi>MeV</mi></mrow></math></span>, have been calculated. At first, the ionization cross sections for the targets were obtained using the ISICS code and ERCS08 computer program based on ECPSSR-UA and PWBA+OBKN theories, respectively. The calculated ionization cross sections were then converted to X-ray production cross sections. Also, the role of multi-ionization from the outer shells was considered in view of the uncertainty arising from the atomic parameters. The derived X-ray production cross sections were compared with existing experimental data and validated at the same helium ions probing energy range. We have also compared the predicted cross sections from both theories.</div></div>","PeriodicalId":19380,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms","volume":"563 ","pages":"Article 165693"},"PeriodicalIF":1.4,"publicationDate":"2025-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143777676","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Ionization-driven competitive (recovery) process in pre-damaged KTaO3: A brief review 预损伤KTaO3中电离驱动的竞争性（恢复）过程：简要综述

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-04-05 DOI: 10.1016/j.nimb.2025.165704

G. Velişa , D. Iancu , E. Zarkadoula , Y. Zhang , W.J. Weber

{"title":"Ionization-driven competitive (recovery) process in pre-damaged KTaO3: A brief review","authors":"G. Velişa , D. Iancu , E. Zarkadoula , Y. Zhang , W.J. Weber","doi":"10.1016/j.nimb.2025.165704","DOIUrl":"10.1016/j.nimb.2025.165704","url":null,"abstract":"<div><div>The nuclear (S<sub>n</sub>) and electronic (S<sub>e</sub>) energy dissipation processes have been considered to be independent and largely uncorrelated, influencing our understanding of ion–solid interaction and damage processes in the last decades. Recently, however, it has become more generally accepted that S<sub>n</sub> and S<sub>e</sub> are coupled as they interact both in time and space. To decouple these processes, separating these effects in experiments using sequential dual-beam irradiations have become accepted as the logical path to advance the understanding of complex interactions between S<sub>e</sub> and pre-existing defects that may be created from displacement events. This experimental approach has been recently applied to studies of KTaO<sub>3</sub> to reveal new insights into this critical research topic. Here, we offer a forward-looking and comprehensive perspective on the fundamental coupling between S<sub>e</sub> and pre-existing defects in KTaO<sub>3</sub>. The origins behind the competitive two-stage phase transition process leading to damage healing are revealed and discussed. Furthermore, the evidence resulting from synergistic effects is also included for comparison. Additionally, our findings are rationalized using both S<sub>e</sub> and the ion velocity as key parameters. We highlight how the inelastic thermal spike (i-TS) calculations provide insights into the nature of this coupled process and further confirm that the ion velocity effect governs annealing kinetics. This work emphasizes that through the introduction of a small amount of local disorder in materials, MeV ion irradiation (i.e., not extreme S<sub>e</sub>) may also be one additional option in subsequent material modification and functionalization.</div></div>","PeriodicalId":19380,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms","volume":"563 ","pages":"Article 165704"},"PeriodicalIF":1.4,"publicationDate":"2025-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143783062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Cluster ion beam irradiation at low energy and surface pattern formation 低能簇束离子束辐照与表面图案形成

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-04-04 DOI: 10.1016/j.nimb.2025.165707

J.C. Jiménez-Sáez , S. Muñoz , P. Palacios

{"title":"Cluster ion beam irradiation at low energy and surface pattern formation","authors":"J.C. Jiménez-Sáez , S. Muñoz , P. Palacios","doi":"10.1016/j.nimb.2025.165707","DOIUrl":"10.1016/j.nimb.2025.165707","url":null,"abstract":"<div><div>Ion beam sputtering is a solid-surface nanostructuring procedure. In this work, we are interested in studying the formation of surface patterns during this process. To do this, a Cobalt metal surface is bombarded with clusters at oblique incidence. Cluster bombardment is used since clusters accentuate the effect of surface ripple formation. Two processes explain the effect of pattern formation at the collisional level when diffusion phenomena can be neglected, namely sputtering and atomic redistribution. In the present work, the effect of the energy of the cluster atoms and the surface orientation on the above processes and, therefore, on the surface pattern formation, are analyzed. In the case of energy, it is found that this represents an additional excitation to the formation of patterns. Therefore, if it increases, the surface irregularities increase in turn. However, the specific weight of the processes that support the process is maintained. On the contrary, the crystallographic structure can affect this specific weight. In fact, the formation of patterns on the (100) surface is justified by sputtering regardless of the angle of incidence.</div></div>","PeriodicalId":19380,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms","volume":"563 ","pages":"Article 165707"},"PeriodicalIF":1.4,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143767649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Critical re-evaluation of recommended excitation functions of 7 reactions for 61Cu formation 对61Cu生成的7种反应的推荐激发函数的临界再评价

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-04-01 DOI: 10.1016/j.nimb.2025.165690

A. Hermanne , F. Tárkányi , A.V. Ignatyuk , S. Takács , R. Capote

{"title":"Critical re-evaluation of recommended excitation functions of 7 reactions for 61Cu formation","authors":"A. Hermanne , F. Tárkányi , A.V. Ignatyuk , S. Takács , R. Capote","doi":"10.1016/j.nimb.2025.165690","DOIUrl":"10.1016/j.nimb.2025.165690","url":null,"abstract":"<div><div>Re-evaluation of recommended cross sections for seven production reactions for the short-lived β<sup>+</sup>-emitting radionuclide ⁶<sup>1</sup>Cu included in the on-line IAEA database for medical applications (Monitor Reactions and Positron Emitters) was performed. One of those reactions is recommended as a deuteron beam monitor reaction: <sup>nat</sup>Ni(d,x)<sup>61</sup>Cu. The re-evaluation included recently published data as well as thoroughly analyzed earlier works available in EXFOR. Where possible, published cross sections were corrected for new nuclear decay data, especially γ-ray abundance or β<sup>+</sup> intensity adopted in NUDAT3.0/ENSDF2020. New recommended cross section values and their uncertainties were derived from the Padé fit of the selected data. Relevant data were subjected to correction based on the recently measured ratio of the two dominant γ-rays of ⁶<sup>1</sup>Cu by Bleuel; an additional Padé fit was performed. Changes up to 20 % of the recommended monitor reaction for deuterons are observed in the 7–10 MeV of incident deuteron energy. Comparison with results of the on-line available TALYS-code calculations is provided and discussed.</div></div>","PeriodicalId":19380,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms","volume":"563 ","pages":"Article 165690"},"PeriodicalIF":1.4,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143738995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

X-ray production cross sections of thick Cu and Au targets induced by MeV Cq+ ions MeV Cq+离子诱导厚Cu和Au靶的x射线产生截面

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-03-28 DOI: 10.1016/j.nimb.2025.165687

J. Hussain , L.D. Yu , I. Ahmad , T. Ali , S. Ullah , M. Shahid , U. Tippawan

引用次数: 0

Performance evaluation of the SPES FEBIAD ion source SPES FEBIAD源的性能评价

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-03-25 DOI: 10.1016/j.nimb.2025.165688

A. Monetti , M. Manzolaro , D.W. Stracener , A. Andrighetto , M. Ballan , L. Centofante , S. Corradetti , O.S. Khwairakpam , G. Lilli , D. Scarpa , J. Ballof , B. Crepieux , M. Owen , S. Rothe

{"title":"Performance evaluation of the SPES FEBIAD ion source","authors":"A. Monetti , M. Manzolaro , D.W. Stracener , A. Andrighetto , M. Ballan , L. Centofante , S. Corradetti , O.S. Khwairakpam , G. Lilli , D. Scarpa , J. Ballof , B. Crepieux , M. Owen , S. Rothe","doi":"10.1016/j.nimb.2025.165688","DOIUrl":"10.1016/j.nimb.2025.165688","url":null,"abstract":"<div><div>SPES (Selective Production of Exotic Species) is the Radioactive Ion Beam (RIB) facility that is currently in the installation phase at the Istituto Nazionale di Fisica Nucleare in the Laboratori Nazionali di Legnaro (LNL-INFN). The main purpose of the facility is to deliver neutron-rich radioactive beams with a range of mass between 60 and 160 amu produced as fission products originated within a Uranium Carbide (UC<sub>x</sub>) target impinged by high energy protons (40–70 MeV). In the last few years, the SPES group and their collaborators have focused on multiple aspects: development of various ISOL targets, ion sources, a high-power beam dump, versatile Front-End designs, primary proton beam and RIB diagnostics, design of beam optic components, and remote target handling. The development and optimization of ionization sources represents one of the most important R&D activities. The collaboration between SPES and ISOLDE (CERN) groups has enabled the evaluation of the performances of a novel FEBIAD ion source taking advantage of the ISOLDE off-line Front-End. In this paper, the results of efficiency and transversal emittance measurements of the new SPES FEBIAD ion source are presented and discussed. Particular attention is dedicated to the description of the experimental setup and to the comparison of experimental data with simulation to promote the reproducibility of the experimental tests with other types of sources.</div></div>","PeriodicalId":19380,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms","volume":"563 ","pages":"Article 165688"},"PeriodicalIF":1.4,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143696091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Semi-empirical calculation of K to Li sub-shell, K to L, and M shell vacancy transfer probability for elements in the atomic range 16 ≤ Z ≤ 92 原子范围16≤Z≤92的元素K到Li子壳、K到L和M壳空位转移概率的半经验计算

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-03-24 DOI: 10.1016/j.nimb.2025.165689

B. Berkani , A. Kahoul , J.M. Sampaio , S. Daoudi , J.P. Marques , F. Parente , A. Hamidani , S. Croft , A. Favalli , Y. Kasri , A. Zidi , K. Amari

引用次数: 0