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120 MeV Ag high energy irradiation effects in physical and chemical properties of ALD grown HfO2 thin films and their applications 120 MeV Ag 高能辐照对 ALD 生长的 HfO2 薄膜物理和化学特性的影响及其应用
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-08-21 DOI: 10.1007/s10967-024-09629-w
Rajesh Kumar
{"title":"120 MeV Ag high energy irradiation effects in physical and chemical properties of ALD grown HfO2 thin films and their applications","authors":"Rajesh Kumar","doi":"10.1007/s10967-024-09629-w","DOIUrl":"10.1007/s10967-024-09629-w","url":null,"abstract":"<div><p>HfO<sub>2</sub> has allured the significant attention on account of its chemical and thermal stability, large bandgap value, high dielectric constant and refractive index, good transmittance values in ultraviolet and infrared bands establish it as a significant candidate for resistive switching oxide and optical materials. In the present work the effect of Ag ion beam with 120 MeV high energy treatment of HfO<sub>2</sub> ALD grown thin films with thickness 40 nm is examined at distinct ion fluence from 1E12 to 1E13 ions/cm<sup>2</sup>. The present work reports the influence of 120 MeV Ag ion beam irradiation on the optical, structural and morphological characteristics of thin films grown by ALD method on glass and silicon substrate. The Tauc plots have been used to calculate the optical bandgap of films give the details of structure of films on account of slope of the plot is associated with the degree of the order in the network of bond. The SRIM simulation has been explored for the study of electronic and nuclear energy loss takes place in the samples. Structural analysis of pristine and ion beam irradiated thin films were studied by the X-ray diffraction technique. The effect of ion beam irradiation on the surface morphology were studied by the Atomic Force Microscopy (AFM), reveals that grain size rely on the variation takes place in the ion beam fluence. The ion beam causes surface state and interstitial defects in thin films samples as remarked by the Photoluminescence characterization method. Additionally, the RBS was used for the calculation of thickness of films.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"333 10","pages":"4749 - 4756"},"PeriodicalIF":1.5,"publicationDate":"2024-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142219582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Adsorption performance of Prussian blue supported graphitic carbon nitride composite (Prussian blue/g-C3N4) for the removal of U(VI) from aqueous solutions 普鲁士蓝支撑石墨氮化碳复合材料（普鲁士蓝/g-C3N4）去除水溶液中 U(VI) 的吸附性能
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-08-21 DOI: 10.1007/s10967-024-09707-z
Guodong Zhao, Huirui Xiao, Xiaolin Tang, Qing Liu
{"title":"Adsorption performance of Prussian blue supported graphitic carbon nitride composite (Prussian blue/g-C3N4) for the removal of U(VI) from aqueous solutions","authors":"Guodong Zhao, Huirui Xiao, Xiaolin Tang, Qing Liu","doi":"10.1007/s10967-024-09707-z","DOIUrl":"https://doi.org/10.1007/s10967-024-09707-z","url":null,"abstract":"<p>A simple strategy is presented for the preparation of Prussian blue-modified g-C<sub>3</sub>N<sub>4</sub>. PB/g-C<sub>3</sub>N<sub>4</sub> is synthesized as an efficient adsorbent for the adsorption of U (VI), and the effects of various conditions on the adsorption of U (VI) are investigated. Static adsorption experiments reveal that the adsorption of U (VI) by PB/g-C<sub>3</sub>N<sub>4</sub> conforms to the Langmuir adsorption isotherm and pseudo-second-order adsorption model. The composition and morphology of the materials are characterized by XRD, FT-IR, XPS, SEM, and BET. This study demonstrates that PB/g-C<sub>3</sub>N<sub>4</sub> is a promising material for uranium-containing wastewater treatment, with the advantages of low cost, environmental friendliness, and facile synthesis.</p>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"98 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142219581","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of radioactivity and stable element contents in dam and drinking waters from Ankara province, Türkiye 评估土耳其安卡拉省水坝和饮用水中的放射性和稳定元素含量
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-08-20 DOI: 10.1007/s10967-024-09676-3
O. Acar, Ö Yakupoğlu, Argun Türker, Gökçe Etlioğlu
{"title":"Evaluation of radioactivity and stable element contents in dam and drinking waters from Ankara province, Türkiye","authors":"O. Acar,&nbsp;Ö Yakupoğlu,&nbsp;Argun Türker,&nbsp;Gökçe Etlioğlu","doi":"10.1007/s10967-024-09676-3","DOIUrl":"10.1007/s10967-024-09676-3","url":null,"abstract":"<div><p>Determinations of radioactivity and stable element contents in outlet waters taken from dams (Çamlıdere, Kurtboğazı, Kesikköprü, Çubuk-2) and drinking waters from water treatment plants (İvedik, Pursaklar and Çubuk) of Ankara Water and Sewerage Administration (ASKİ) were performed by using MPC-9604 multi-detector alpha/beta (<i>α/β</i>) counting system, inductively coupled plasma–mass–mass spectrometer and graphite furnace atomic absorption spectrometer. Gross alpha and beta activity levels and element concentrations found in samples were compared with maximum permissible values given by World Health Organization, United State Environmental Protection Agency, Turkish Standards and Türkiye Regulation on Water for Human Consumption.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"333 10","pages":"4639 - 4649"},"PeriodicalIF":1.5,"publicationDate":"2024-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142227432","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The influence of surfactants on the acid leaching process of a uranium mine in Inner Mongolia 表面活性剂对内蒙古铀矿酸浸过程的影响
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-08-20 DOI: 10.1007/s10967-024-09697-y
Junhan Li, Jiahui Feng, Jingfang Xue, Yonghuan Huang, Zimin Zhang, Haonan Li, Yuxin Chen, Jiacheng Guo, Xuebin Su, Rong Hua
{"title":"The influence of surfactants on the acid leaching process of a uranium mine in Inner Mongolia","authors":"Junhan Li, Jiahui Feng, Jingfang Xue, Yonghuan Huang, Zimin Zhang, Haonan Li, Yuxin Chen, Jiacheng Guo, Xuebin Su, Rong Hua","doi":"10.1007/s10967-024-09697-y","DOIUrl":"https://doi.org/10.1007/s10967-024-09697-y","url":null,"abstract":"<p>The permeability of ore is a key factor affecting the leaching effect of uranium ore, and the addition of surfactants can significantly improve the permeability of ore, thereby strengthening uranium ore leaching. This article simulates two infiltration leaching processes, atmospheric heap leaching and pressurized in-situ leaching, and explores the effect of surfactant cetyltrimethylammonium bromide on uranium leaching rate and ore permeability coefficient in both processes. The results showed that in the atmospheric heap leaching test, adding surfactants increased the ore leaching rate by 30.31% during the same 13 day test cycle, and the leaching process was mainly controlled by surface chemical reactions. In the pressurized in-situ leaching test, based on the results of a leaching cycle of 13 days, the average permeability coefficient increased by 72.89% and 64.07% after adding surfactants to the drained and water containing uranium deposits, respectively. In addition, the peak uranium concentration in the leaching solution appeared 2 days earlier, indicating that the addition of surfactants has a significant promoting effect on in-situ leaching of uranium, improving the leaching efficiency of uranium, and can improve the leaching rate of uranium within the same leaching cycle.</p>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"38 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142219592","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessment of natural radioactivity in spring water and radiation shielding properties of soil from a tourist hub in outer Himalayas 评估喜马拉雅山外围旅游中心泉水中的天然放射性和土壤的辐射屏蔽特性
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-08-20 DOI: 10.1007/s10967-024-09695-0
Mavia Anjum, Naila Siddique, Hannan Younis, Yasir Faiz, Ali Zaman, Mushtaq Ahmad, Munib Ahmed Shafique,  Mahnoor
{"title":"Assessment of natural radioactivity in spring water and radiation shielding properties of soil from a tourist hub in outer Himalayas","authors":"Mavia Anjum,&nbsp;Naila Siddique,&nbsp;Hannan Younis,&nbsp;Yasir Faiz,&nbsp;Ali Zaman,&nbsp;Mushtaq Ahmad,&nbsp;Munib Ahmed Shafique,&nbsp; Mahnoor","doi":"10.1007/s10967-024-09695-0","DOIUrl":"10.1007/s10967-024-09695-0","url":null,"abstract":"<div><p>This study assessed radionuclide concentration in Murree’s natural spring water and the variation of soil mass-attenuation coefficient. Water samples from 20 springs and soil from 15 sites were analyzed. Radium-226, Thorium-232, and Potassium-40 activity concentrations averaged 0.43 ± 0.09, 0.52 ± 0.08, and 1.52 ± 0.19 Bq/L, respectively. Radiation hazard indices, including Radium equivalent, External and Internal hazard indices, External and internal absorbed and equivalent doses, and lifetime cancer risk, were quantified but found non-alarming. Mass-attenuation coefficients for various energies were measured experimentally and theoretically. Various radiation shielding parameters were calculated. Murree’s soil demonstrated lower attenuation properties compared to cement, tiles, concrete, and Egyptian soil.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"333 10","pages":"4715 - 4732"},"PeriodicalIF":1.5,"publicationDate":"2024-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142219583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Determination of uranium and thorium isotopes in NORM materials in the ceramic industry by using alpha-particle spectrometry 利用阿尔法粒子光谱法测定陶瓷工业中 NORM 材料中的铀和钍同位素
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-08-17 DOI: 10.1007/s10967-024-09686-1
A. J. Sevilla, M. Sáez-Muñoz, M. Pérez-Baeza, J. Ortiz, S. Martorell
{"title":"Determination of uranium and thorium isotopes in NORM materials in the ceramic industry by using alpha-particle spectrometry","authors":"A. J. Sevilla,&nbsp;M. Sáez-Muñoz,&nbsp;M. Pérez-Baeza,&nbsp;J. Ortiz,&nbsp;S. Martorell","doi":"10.1007/s10967-024-09686-1","DOIUrl":"10.1007/s10967-024-09686-1","url":null,"abstract":"<div><p>A radiochemical procedure has been developed for the quantification of uranium and thorium isotopes in NORM samples from the ceramic industry, such as zirconium sands, zirconium flours, micronized zircon, pigments and personal aerosol filters. The method is based on a fusion pretreatment with borate salts, a separation with anion exchange resins and alpha-particle spectrometry measurement. This method is an alternative to gamma spectrometry when the amount of sample is extremely small (2–10 mg) as in the case of aerosol filters, or there is no secular equilibrium in the <sup>238</sup>U and <sup>232</sup>Th chains, as in the ceramic pigments. The method has been validated with different ceramic materials and the comparison of the results with gamma measurements. Its reproducibility was also checked with different sample masses.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"333 11","pages":"5701 - 5711"},"PeriodicalIF":1.5,"publicationDate":"2024-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142219593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on the influence of tritium on the measurement and analysis of 14C in gaseous samples 研究氚对测量和分析气态样品中 14C 的影响
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-08-16 DOI: 10.1007/s10967-024-09669-2
Li Sa, Ai Xianyun, Yu Zhengwei, Wang Erqi
{"title":"Study on the influence of tritium on the measurement and analysis of 14C in gaseous samples","authors":"Li Sa,&nbsp;Ai Xianyun,&nbsp;Yu Zhengwei,&nbsp;Wang Erqi","doi":"10.1007/s10967-024-09669-2","DOIUrl":"10.1007/s10967-024-09669-2","url":null,"abstract":"<div><p>Carbon-14 and tritium are important radionuclides to be present in gaseous effluents of some nuclear power plants types. Tritium being usually included in gaseous effluents bearing carbon-14, the influence of its presence in the analyzes to be done must carefully be taken into account. When Liquid Scintillation Counting method is used, this influence can’t be completely eliminated by selecting different channels only for measuring carbon-14. In this paper, experimental verification of the influence of tritium on the carbon-14 measurements also miscibility of samples, detection efficiency and measurement precision were studied.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"333 10","pages":"4881 - 4887"},"PeriodicalIF":1.5,"publicationDate":"2024-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142219598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The importance of filtration in technetium and iodine experiments 锝和碘实验中过滤的重要性
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-08-16 DOI: 10.1007/s10967-024-09689-y
Ilana Szlamkowicz, Jordan Stanberry, Travis Hager, Lucy Hunley, Vasileios Anagnostopoulos
{"title":"The importance of filtration in technetium and iodine experiments","authors":"Ilana Szlamkowicz,&nbsp;Jordan Stanberry,&nbsp;Travis Hager,&nbsp;Lucy Hunley,&nbsp;Vasileios Anagnostopoulos","doi":"10.1007/s10967-024-09689-y","DOIUrl":"10.1007/s10967-024-09689-y","url":null,"abstract":"<div><p>Filter use in experiments is often unspecified, potentially affecting results. In this study, six different filters were investigated for technetium and iodine. Technetium was evaluated at pH 2.5, 6, and 11 for two concentrations. Three oxidation states of iodine (iodide, molecular iodine, and iodate) were evaluated at pH 7 for two concentration levels. The results obtained were analyzed using a t-test to determine if it was statistically different than an unfiltered sample. The experimental results are combined with a literature review highlighting the inconsistency of filter reporting in manuscripts, as well as not accounting for analyte loss on filters used.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"333 10","pages":"4837 - 4843"},"PeriodicalIF":1.5,"publicationDate":"2024-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142219594","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","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 monomethylhydrazine on γ-rays radiolysis and radiolytic by-products of N,N-diethylhydroxylamine in nitric acid solution 一甲基肼对硝酸溶液中 N,N-二乙基羟胺的 γ 射线辐射分解和辐射分解副产物的影响
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-08-14 DOI: 10.1007/s10967-024-09661-w
Zhu Li, Jinhua Wang, Ying Wan, Zhen Li, Weifang Zheng, Hui He
{"title":"Effect of monomethylhydrazine on γ-rays radiolysis and radiolytic by-products of N,N-diethylhydroxylamine in nitric acid solution","authors":"Zhu Li,&nbsp;Jinhua Wang,&nbsp;Ying Wan,&nbsp;Zhen Li,&nbsp;Weifang Zheng,&nbsp;Hui He","doi":"10.1007/s10967-024-09661-w","DOIUrl":"10.1007/s10967-024-09661-w","url":null,"abstract":"<div><p><i>N</i>,<i>N</i>-diethylhydroxylamine (DEHA) is a new salt-free reducing agent applied in the separation of Pu from U in the reprocessing of irradiated fuel from nuclear power plants. The effect of monomethylhydrazine (MMH) on the γ-rays radiolysis of DEHA-HNO<sub>3</sub> solution is presented in this paper. MMH can effectively enhance DEHA stability against radiation, and the main radiolytic products are H<sub>2</sub>, CH<sub>4</sub>, CH<sub>3</sub>CHO, CH<sub>3</sub>COOH and HNO<sub>2</sub>. The content of H<sub>2</sub>, CH<sub>4</sub>, CH<sub>3</sub>CHO and CH<sub>3</sub>COOH is raised with the dose. The amount of H<sub>2</sub>, CH<sub>4</sub> and CH<sub>3</sub>CHO enhances with the MMH concentration, but CH<sub>3</sub>COOH concentration is reduced when MMH concentration is raised.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"333 11","pages":"5669 - 5677"},"PeriodicalIF":1.5,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142219599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","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 ionizing radiation on DTPA and NTA solutions containing rare-earth and transplutonium elements and nitric acid 电离辐射对含有稀土元素、反式钚元素和硝酸的 DTPA 和 NTA 溶液的影响
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-08-14 DOI: 10.1007/s10967-024-09675-4
Oleg V. Kharitonov, Lubov A. Firsova, Evgeny A. Kozlitin
{"title":"Effect of ionizing radiation on DTPA and NTA solutions containing rare-earth and transplutonium elements and nitric acid","authors":"Oleg V. Kharitonov,&nbsp;Lubov A. Firsova,&nbsp;Evgeny A. Kozlitin","doi":"10.1007/s10967-024-09675-4","DOIUrl":"10.1007/s10967-024-09675-4","url":null,"abstract":"<div><p>Radiolysis of transplutonium elements and rare earths (REE)-containing solutions in radiochemical processes destroys complexing reagents and precipitates target products. We investigated the effect of the radiation-absorbed dose (AD) and acidity on the behavior of simulated DTPA and NTA REE-containing solutions to eliminate precipitation. We measured the AD by bichromate dosimetry. Without nitric acid, the AD = 0.12–0.24 MGy causes abundant precipitation of REEs. In the presence of HNO<sub>3</sub> up to 2 mol L<sup>−1</sup>, no precipitation occurred up to 1.53 MGy. At HNO<sub>3</sub> 1 mol L<sup>−1</sup> and AD = 1.02 MGy, DTPA is entirely decomposed. We have suggested a method to avoid precipitation.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"333 11","pages":"5663 - 5668"},"PeriodicalIF":1.5,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142227434","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","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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