EXAFS

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Component-dependent lattice distortions and atomic scale insights in multi-component Au-Cu-Ni-Pd-Pt based alloys
《Nano Research》2025年第2期418-431,共14页Sophie Drescher Alexei Kuzmin Edmund Welter Jens Freudenberger Alevtina Smekhova 
In our study,the composition-dependent effects of atomic displacementsin Au-Cu-Ni-Pd-Pt basedalloys,comprising elements with large differences in atomic radii,are investigated at the atomic scale.Two alloys-the equimo...
关键词：high-entropy alloys short-range order solid solution strengthening extended X-ray absorption fine structure(EXAFS)spectroscopy reverse Monte Carlo 
Fe-N-C heterogeneous Fenton-like catalyst for the degradation of tetracycline:Fe-N coordination and mechanism studies
《Chinese Chemical Letters》2024年第9期309-314,共6页Weichen Zhu Wei Zuo Pu Wang Wei Zhan Jun Zhang Lipin Li Yu Tian Hong Qi Rui Huang 
supported by the National Key Research and Development Program of China(No.2019YFC1906401-03);the Harbin Institute of Technology National Engineering Research Center of Urban Water Resources Co.,Ltd.(No.GJS-YFLX202207280002)。
Fe-N-C materials have received increasing attention,due to its distinctive catalytic activity.However,the Fe-N coordination number dependence of catalytic ability and mechanism for H_(2)O_(2)activation remain elusive....
关键词：H_(2)O_(2)activation Advanced oxidation process Superoxide radicals Degradation pathways EXAFS 
Anomalies in the short-range local environment and atomic diffusion in single crystalline equiatomic CrMnFeCoNi highentropy alloy
《Nano Research》2024年第6期5336-5348,共13页Alevtina Smekhova Daniel Gaertner Alexei Kuzmin Ana Guilherme Buzanich Goetz Schuck Ivo Zizak Gerhard Wilde Kirill V.Yusenko Sergiy Divinski 
the Helmholtz-Zentrum Berlin for the provision of access to synchrotron radiation facility and allocation of synchrotron radiation at the BAMline and KMC-3(CryoEXAFS end-station)beamlines of BESSY II at HZB.;Yu.Chumlyakov(Tomsk State University,Russia)is acknowledged for the growth of single crystals.A.S.also acknowledges personal funding from CALIPSOplus project(Grant Agreement No.730872 from the EU Framework Programme for Research and Innovation HORIZON 2020);A.K.is thankful for the financial support from the Latvian Council of Science project No.lzp-2023/1-0476.S.D.acknowledges financial support by the German Research Foundation(DFG),project DI 1419/24-1.G.W.acknowledges financial support by DFG via SPP2006,project WI 1899/32-2.;Institute of Solid State Physics,University of Latvia as the Center of Excellence has received funding from the EU Horizon 2020 Framework Programme H2020-WIDESPREAD-01-2016-2017-TeamingPhase2 under grant agreement No.739508,project CAMART2.
Multi-edge extended X-ray absorption fine structure(EXAFS)spectroscopy combined with reverse Monte Carlo(RMC)simulations was used to probe the details of element-specific local coordinations and component-dependent st...
关键词：high-entropy alloys DIFFUSION short-range order extended X-ray absorption fine structure(EXAFS) reverse Monte Carlo 
Efficient removal of Cr(VI) by polydopamine-modified lignin from aqueous solution: Batch and XAFS studies被引量：1
《Water Science and Engineering》2024年第1期51-61,共11页Xiao-jie Guo Wei-kang Fu Jing-yuan Ma Bo-jun Xi Chen Wang Meng-yao Guan 
supported by the Zhejiang Provincial Natural Science Foundation of China(Grant No.LQ19E030017);the Research Start-up Fund(Grant No.KYS205619042);the Technological Research Project for Public Welfare of Zhejiang Province(Grant No.LGG19E030005).
Lignocellulose has the potential to become a bio-based adsorbent due to its biodegradability and renewability.In this study,a novel polydopamine functionalized-lignin(lignin@PDA),prepared via self-polymerization of do...
关键词：LIGNIN POLYDOPAMINE Hexavalent chromium EXAFS Adsorption mechanism 
Research Article Local structure and magnetic properties of a nanocrystalline Mnrich Cantor alloy thin film down to the atomic scale被引量：1
《Nano Research》2023年第4期5626-5639,共14页Alevtina Smekhova Alexei Kuzmin Konrad Siemensmeyer Chen Luo James Taylor Sangeeta Thakur Florin Radu Eugen Weschke Ana Guilherme Buzanich Bin Xiao Alan Savan Kirill V.Yusenko Alfred Ludwig 
The huge atomic heterogeneity of high-entropy materials along with a possibility to unravel the behavior of individual components at the atomic scale suggests a great promise in designing new compositionally complex s...
关键词：high-entropy alloys reverse Monte Carlo(RMC) element-specific spectroscopy extended X-ray absorption fine structure(EXAFS) X-ray magnetic circular dichroism(XMCD) MAGNETISM 
Sorption mechanisms of diphenylarsinic acid on natural magnetite and siderite:Evidence from sorption kinetics,sequential extraction and extended X-ray absorption fine-structure spectroscopy analysis
《Frontiers of Environmental Science & Engineering》2022年第9期39-52,共14页Meng Zhu Yuhuan He Xiaobao Wei Haoran Qi Yunpeng Zhang Yijun Zhang Ruyi Yang Yongming Luo 
support of the National Natural Science Foundation of China(Nos.41807117,41230858);the Cultivation Project on Excellent Undergraduates’Thesis(design,create)of Anhui Normal University(No.pyjh2020439);the Project of Innovation and Entrepreneurship Training for College Students(No.202110370060).
Diphenylarsinic acid(DPAA)is both the prime starting material and major metabolite of chemical weapons(CWs).Because of its toxicity and the widespread distribution of abandoned CWs in burial site,DPAA sorption by natu...
关键词：Diphenylarsinic acid(DPAA) SORPTION MAGNETITE SIDERITE Sequential extraction EXAFS 
Al-driven peculiarities of local coordination and magnetic properties in single-phase Al_(x)-CrFeCoNi high-entropy alloys被引量：1
《Nano Research》2022年第6期4845-4858,共14页Alevtina Smekhova Alexei Kuzmin Konrad Siemensmeyer Chen Luo Kai Chen Florin Radu Eugen Weschke Uwe Reinholz Ana Guilherme Buzanich Kirill V.Yusenko 
The authors thank the Helmholtz-Zentrum Berlin for the provision of access to synchrotron radiation facilities and allocation of synchrotron radiation at the PM2-VEKMAG,BAMline,and UE46_PGM-1 beamlines of BESSY II at HZB as well as measurement time for magnetometry at HZB CoreLab for Quantum Materials.A.S.acknowledges personal funding from CALIPSOplus project(the Grant Agreement no.730872 from the EU Framework Programme for Research and Innovation HORIZON 2020);The financial support for the VEKMAG project and the PM2-VEKMAG beamline by the German Federal Ministry for Education and Research(Nos.BMBF 05K10PC2,05K10WR1,05K10KE1);by HZB is cordially acknowledged by all co-authors.Steffen Rudorff is acknowledged for technical support.Institute of Solid State Physics,University of Latvia as the Center of Excellence has received funding from the European Union’s Horizon 2020 Framework Programme H2020-WIDESPREAD-01-2016-2017-TeamingPhase2 under grant agreement No.739508,project CAMART2.
Modern design of superior multi-functional alloys composed of several principal components requires in-depth studies of their local structure for developing desired macroscopic properties.Herein,peculiarities of atomi...
关键词：high-entropy alloys reverse Monte Carlo MAGNETISM element-specific spectroscopy extended X-ray absorption fine structure(EXAFS) X-ray magnetic circular dichroism(XMCD) 
Extended X-ray absorption fine structure (EXAFS) of FAPbI_(3) for understanding local structure-stability relation in perovskite solar cells
《Journal of Energy Chemistry》2022年第4期549-554,共6页Dong-Ho Kang Yong-Jun Park Yun-Sung Jeon Nam-Gyu Park 
supported by the(NRF)grants funded by the Ministry of Science,the ICT Future Planning(MSIP)of Korea under NRF-2016M3D1A1027663,NRF-2016M3D1A1027664(Future Materials Discovery Program),and NRF-2021R1A3B1076723(Research Leader Program)。
Perovskite solar cells (PSCs) employing formamidinium lead iodide (FAPbI_(3)) have shown high efficiency.However,operational stability has been issued due to phase instability of α phase FAPbI_(3) at ambient temperat...
关键词：Extended X-ray absorption fine structure EXAFS Excess precursor Local structure STABILITY Perovskite solar cells 
Construction of N-doped carbon frames anchored with Co single atoms and Co nanoparticles as robust electrocatalyst for hydrogen evolution in the entire pH range被引量：1
《Journal of Energy Chemistry》2022年第4期147-156,共10页Minmin Wang Min Li Yilin Zhao Naiyou Shi Hui Zhang Yuxue Zhao Yaru Zhang Haoran Zhang Wenhong Wang Kaian Sun Yuan Pan Shoujie Liu Houyu Zhu Wenyue Guo Yanpeng Li Yunqi Liu Chenguang Liu 
supported by the Taishan Scholars Program of Shandong Province(tsqn201909065);the Shandong Provincial Natural Science Foundation(ZR2020QB174);the Petro China Innovation Foundation(2019D-5007-0401);the National Natural Science Foundation of China(21776315,22108306);the Fundamental Research Funds for the Central Universities(19CX02008A,19CX05001A);the Postgraduate Innovation Fund of China University of Petroleum(East China)(YCX2020037)。
The development of low-cost, efficient, and high atomic economy electrocatalysts for hydrogen evolution reaction(HER) in the entire p H range for sustainable hydrogen production is of great importance but still challe...
关键词：Single-atom catalyst Doping-adsorption-pyrolysis strategy Structure regulation Synergistic electrocatalysis EXAFS 
Structure and effect of diamagnetism on manganese lithium phosphate glass to cathode materials application
《Progress in Natural Science:Materials International》2021年第3期420-427,共8页Pichitchai Butnoi Wipada Senanon Narong Chanlek Yingyot Poo-arporna Supree Pinitsoontorn Santi Maensiri Prayoon Songsiriritthigul Pongtanawat Khemthong Pinit Kidkhunthod 
the Synchrotron Light Research Institute(Public Organization);Research network NANOTEC-SUT on Advanced Nanomaterials and characterization for financial support;。
1-x(Li_(2)O-2 P_(2)O_(5))-xMnO_(2)glasses where x=0.2,0.3 and 0.4 mol%,respectively,were synthesized by meltedquenching method.The Mn and P oxidation states and local structures around Mn and P-ions including Mn-O and...
关键词：XAS XANES EXAFS Manganese lithium phosphate glass DIAMAGNETISM 
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