Showing 201 - 220 results of 278 for search '"transition metal"', query time: 0.06s Refine Results
  1. 201

    Defect-assisted reversible phase transition in mono- and few-layer ReS2 by George Zograf, Andrew B. Yankovich, Betül Küçüköz, Abhay V. Agrawal, Alexander Yu. Polyakov, Joachim Ciers, Fredrik Eriksson, Åsa Haglund, Paul Erhart, Tomasz J. Antosiewicz, Eva Olsson, Timur O. Shegai

    Published 2025-01-01
    “…Abstract 2D transition metal dichalcogenide (TMD) materials have attracted interest due to their remarkable excitonic, optical, electrical, and mechanical properties, which are dependent on their crystal structure. …”
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  2. 202

    Controllable Nano-Crystallization in Fluoroborosilicate Glass Ceramics for Broadband Visible Photoluminescence by Yuanhang Xiang, Yi Long, Peiying Cen, Sirang Liu, Zaijin Fang, Renjie Jiao

    Published 2025-01-01
    “…The well-designed glass ceramic is a novel and significant compound to simultaneously provide efficiently coordinated sites for transition metal and rare earth ions. More importantly, the design strategy opens a new way for engineering high-quality oxy-fluoride glass ceramics with properties of excellent stability, controllable nano-crystallization and high-efficiency photoluminescence.…”
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  3. 203

    Engineering of Metal–Organic Framework-Derived CoTiO<sub>3</sub> Micro-Prisms for Lithium-Ion Batteries by Tao Li, Minghui Song, Qi Zhang, Yifan Li, Gengchen Yu, Xue Bai

    Published 2024-12-01
    “…Metal–organic framework (MOF)-derived transition metal compounds and their composites have attracted great interest for applications in energy conversion and storage. …”
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  4. 204

    Metallurgical assessment of Al-Zr-Y alloys for laser-based processing by J.T. Hierlihy, I.W. Donaldson, D.P. Bishop

    Published 2025-03-01
    “…Historically, several such materials were premised on alloys that incorporated transition metal (TM) additions which formed refractory aluminides as the principal strengthening addition. …”
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  5. 205

    Discriminating ferrotoroidic from antiferrotoroidic ground states using a 3d quantum spin sensor by Kieran Hymas, Alessandro Soncini, Kuduva R. Vignesh, Deepanshu Chauhan, Abinash Swain, Sophie L. Benjamin, Dipanti Borah, Maheswaran Shanmugam, Wolfgang Wernsdorfer, Gopalan Rajaraman, Stuart K. Langley, Keith S. Murray

    Published 2024-12-01
    “…If zero-field splitting of the central transition metal ion is quenched, it operates as a quantum spin sensor, which can be exploited to experimentally discriminate between ferrotoroidic and antiferrotoroidic ground states in MDy6 double triangle complexes through electron paramagnetic resonance experiments and single-crystal magnetisation measurements with a restricted field sweeping domain.…”
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  6. 206

    Euchrestifolines A–O, fifteen novel carbazole alkaloids with potent anti-ferroptotic activity from Murraya euchrestifolia by Yue-Mei Chen, Nan-Kai Cao, Si-Si Zhu, Meng Ding, Hai-Zhen Liang, Ming-Bo Zhao, Ke-Wu Zeng, Peng-Fei Tu, Yong Jiang

    Published 2025-01-01
    “…Their structures were elucidated by spectroscopic analysis, Mosher’s ester, calculated ECD, and transition metal complex ECD methods. Notably, euchrestifolines A–C (1–3) are the first naturally occurring pyrrolidone carbazoles to be identified, while euchrestifolines D–F (4–6) represent rare carbazole alkaloids containing a phenylpropanyl moiety; euchrestifoline G (7) features a unique benzopyranocarbazole skeleton. …”
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  7. 207

    Noninvasive rejuvenation strategy of nickel-rich layered positive electrode for Li-ion battery through magneto-electrochemical synergistic activation by Haochen Gong, Yu Cao, Baoshan Zhang, Jinsong Zhang, Yiming Zhang, Huili Wang, Shaojie Zhang, Xiaoyi Wang, Yue Mao, Shuo Liu, Chengyu Han, Qianxin Xiang, Chaoyi Zhou, Jie Sun

    Published 2024-11-01
    “…This approach induces a transition of Ni3+ from high-spin to low-spin, reducing the super-exchange interaction of Ni-O-transition metal (TM). Meanwhile, electrochemical reaction drives Li+ from the host material and promotes Ni3+ to reoccupy TM layer, recovering intrinsic Li site and extending cycle life. …”
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  8. 208

    The sorption of Tebuconazole and Linuron from an Aqueous Environment with a Modified Sludge-Based Biochar: Effect, Mechanisms, and Its Persistent Free Radicals Study by Jingjie Yang, Hongwei Sun, Yucan Liu, Xiaohan Wang, Kamran Valizadeh

    Published 2021-01-01
    “…Electron spin resonance signals (ESR) indicated that environmentally persistent radicals (EPFRs) are preferentially formed at lower pyrolysis temperatures and lower transition metal concentrations. The g-factors for BC400, BC600, BCF400, and BCF600 were 2.0036, 2.0035, 2.0034, and 2.0033, respectively, indicating that the EPFRs mainly have a carbon-centered structure with adjacent oxygen atoms. …”
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  9. 209

    Large‐Area Bright Emission of Plasmon‐Coupled Dark Excitons at Room Temperature by Hyun Jeong, Hyeong Chan Suh, Ga Hyun Cho, Huitae Joo, Yeonjeong Koo, Hayoung Ko, Ki Kang Kim, Youngbum Kim, Jeongyong Kim, Kyoung‐Duck Park, Mun Seok Jeong

    Published 2025-01-01
    “…Abstract Brightening dark excitons in transition metal dichalcogenide monolayers (MLs) can provide large‐area ultrathin devices for applications in quantum information science and optoelectronics. …”
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  10. 210

    Time-resolved spectroscopy uncovers deprotonation-induced reconstruction in oxygen-evolution NiFe-based (oxy)hydroxides by Dan Wu, Longfei Hu, Xiaokang Liu, Tong Liu, Xiangyu Zhu, Qiquan Luo, Huijuan Zhang, Linlin Cao, Jinlong Yang, Zheng Jiang, Tao Yao

    Published 2025-01-01
    “…Abstract Transition-metal layered double hydroxides are widely utilized as electrocatalysts for the oxygen evolution reaction (OER), undergoing dynamic transformation into active oxyhydroxides during electrochemical operation. …”
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  11. 211

    Structure and Electrochemical Behavior of Minor Mn-Doped Olivine LiMnxFe1−xPO4 by Le Thanh Nguyen Huynh, Pham Phuong Nam Le, Viet Dung Trinh, Hong Huy Tran, Van Man Tran, My Loan Phung Le

    Published 2019-01-01
    “…However, low conductivity is an obstacle to the commercialization of LiFePO4; doping the transition metal such as Mn and Ni is one of the solutions for this issue. …”
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  12. 212

    Quantum Mechanistic Studies of the Oxidation of Ethylene by Rhenium Oxo Complexes by Emmanuel Adu Fosu, Collins Obuah, Louis Hamenu, Albert Aniagyei, Michael Kojo Ainooson, Krishna K. Govender

    Published 2021-01-01
    “…Transition-metal-mediated oxygen transfer reactions are of importance in both industry and academia; thus, a series of rhenium oxo complexes of the type ReO3L (L = O−, Cl−, F−, OH−, Br−, I−) and their effects as oxidation catalysts on ethylene have been studied. …”
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  13. 213

    Melt quality induced failure of electrical conductor (EC) grade aluminum wires by Khaliq A., Rafiq M.A., Ali H.T., Ahmed F., Mehmood S., Grandfielde J., Ranjha S.A.

    Published 2017-01-01
    “…The typical inclusions observed were Al2O3, Al3C4 (Al-Carbide) and oxides of refractories elements (Al, Mg, Si and O) that have particle size ranging up to 5 μm. The transition metal boride particles were not identified during SEM/EDX analyses these might be too fine to be detected with this microscope. …”
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  14. 214

    Encapsulated Fe3C boosted electrocatalytic performance for oxygen reduction reaction of N-doped carbon nanotube by Jun Dong, Qiqi Jiao, Hao Wang, Hong Wang, Yi-ke Ren

    Published 2025-01-01
    “…So, developing low-cost and high performance transition metal based catalysts is one of the most feasible way to substitute the precious metal based catalysts. …”
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  15. 215

    THEORETICAL STUDIES ON THE MAGNETIC, ELECTRICAL, AND OPTICAL PROPERTIES OF LEAD-FREE FERROELECTRIC Ba(Zr\(_{0.2}\)Ti\(_{0.8}\)O\(_3\))  MATERIALS WITH MANGANESE DOPING by Tien Lam Vu, Hoang Thoan Nguyen, Huu Lam Nguyen, Ngoc Trung Nguyen, Quoc Van Duong, Duc Dung Dang

    Published 2024-09-01
    “…Our findings contribute to the understanding of transition metal-doped lead-free ferroelectric BZT materials and provide more information for the development of future smart electronic and optoelectronic devices. …”
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  16. 216

    Increased sensitivity in electron–nuclear double resonance spectroscopy with chirped radiofrequency pulses by J. Stropp, N. Wili, N. C. Nielsen, D. Klose

    Published 2025-01-01
    “…For the common case of non-crystalline solids, such as powders or frozen solutions of transition metal complexes, the anisotropy of the hyperfine and nuclear quadrupole interactions renders ENDOR lines often several megahertz (MHz) broad, thus diminishing intensity. …”
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  17. 217

    Enhanced Aqueous Zinc-Ion Batteries Using 3D MoS<sub>2</sub>/Conductive Polymer Composite by Tongxin Jiang, Sijie Li, Zexiang Luo, Xue Li, Lifeng Zhang, Haisheng San, Xin Li, Yifei Ma

    Published 2024-12-01
    “…MoS<sub>2</sub>, a typical transition metal dichalcogenide, features a layered structure, multi-phase transition, and tunable band gap, which is a promising candidate for aqueous zinc-ion batteries (AZIBs). …”
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  18. 218

    Facile Fabrication of SrTiO3@MoS2 Composite Nanofibers for Excellent Photodetector Application by Jinghong Li, Lun Zhang, Di Wang, Ran Wang, Xiujuan Liu, Jingxin Zhou

    Published 2020-01-01
    “…Molybdenum disulfide (MoS2), as a kind of transition metal dichalcogenide, has been widely studied for its excellent compatibility with most of inorganic nanomaterials. …”
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  19. 219

    Optimized Dehydrogenation of Magnesium Hydride with Fe and Cu Additives by Oluwashina Gbenebor, Abimbola Patricia Popoola

    Published 2024-09-01
    “…An important feature required of MgH2 is its ability to commence hydrogen release at a fast rate and reduced temperature. Transition metal-containing alloys/compounds having either Fe or Cu as the principal element have been used to improve the dissociation of hydrogen from MgH2.  …”
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  20. 220

    Sustainability assessment of single-atom catalysts in the transition to greener chemical processes by Mark A. Bajada, Maxim Tschulkow, Gianvito Vilé

    Published 2025-01-01
    “…In particular, among the broad spectum of transition metal catalysts, we demonstrate that catalysts made from earth-abundant materials, such as nickel, outperform those based on rare and expensive metals like palladium or iridium, enabling more sustainable and cost-effective chemical production. …”
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