Results 61 to 70 of about 943 (216)

Reaction Mechanism, Challenges, and Strategies of High‐Energy‐Density Sodium‐Ion Batteries

Advanced Science, EarlyView.
Focusing on high‐energy‐density sodium‐ion batteries, this review highlights the advantages offered by conversion‐type cathode materials. The currently studied cathode materials are systematically introduced. By analyzing sulfur, oxygen, and transition metal halides and other conversion‐type cathodes, the key challenges associated with these cathodes ...
Dan Yu, Yuxin Cui, Qinghao Chen, Lu Gao, Xia Liu, Tianci Li, Wenju Zhu, Quanxiang Li, Weimin Kang   +8 more
wiley   +1 more source

Ultrafast Multilevel Switching and Synaptic Behavior in a Planar Quantum Topological Memristor

Advanced Science, EarlyView.
Dry‐transferred Bi2Te3 layers enable a planar quantum topological memristor framework. In‐plane topological surface states facilitate ultrafast & low‐power operations. Coexisting analog and digital modes support current‐controlled multilevel states. PQTM exhibits 105 s retention, 103 cycles endurance, and reproducibility across 24 devices.
Mamoon Ur Rashid, Usman Safder, Sobia Ali Khan, Anh‐Tuan Pham, Muhammad Sheeraz, Nguyen‐Hoang Dang, Duy Le Thanh, Zeeshan Tahir, Faisal Maqbool, Koo‐Hyun Chung, Sunglae Cho, Jungdae Kim, Yong Soo Kim   +12 more
wiley   +1 more source

Ni Single‐Atom Modulation of Ti‐O Covalency Boosts Ammonia Oxidation Electrocatalysis

Advanced Science, EarlyView.
A Ni single‐atom‐induced enhancement of Ti‐O covalency in Ni SAC@TiO2 generates abundant active sites and promotes selective NHx‐NHy mediated N2 evolution while suppressing poisonous NOx formation, achieving nearly doubled AOR activity with excellent durability.
Subhash Chandra Shit, Dayoung Kwon, Nhi Thi Yen Phan, Hyo Won Kim, Jucheol Park, Jeong‐hyeon Lee, Hyeyoung Shin, Wooyul Kim   +7 more
wiley   +1 more source

Organometallic Reagents for Synthetic Purposes: Tellurium

Journal of the Brazilian Chemical Society, 1998
An overview of the most important applications of tellurium compounds in Organic Synthesis is presented.
Petragnani Nicola, Wai-Ling Lo
doaj  

MINERALOGY AND ORE FORMATION CONDITIONS OF THE NAILY GOLD DEPOSIT (SOUTH URALS) [PDF]

Минералогия
The paper examines mineralogy of noble metals and ore formation conditions at the Naily gold deposit (South Urals), which is hosted in pyrite-bearing talc-carbonate, chlorite-quartz-carbonate and quartz-carbonate metasomatites after serpentinites and ...
A.D. Smirnitskaya, E.A. Rozhkova, E.V. Belogub, K.A. Novoselov, M.V. Zabotina, M.A. Rassomakhin   +5 more
doaj   +1 more source

New Thallium Tellurides with Rare Earth Elements

Конденсированные среды и межфазные границы, 2020
Compounds of the Tl4LnTe3 (Ln-Nd, Sm, Tb, Er, Tm) composition were synthesized by the direct interaction of stoichiometric amounts of thallium telluride Tl2Te elementary rare earth elements (REE) and tellurium in evacuated (10-2 Pa) quartz ampoules.
Samira Zakir Imamaliyeva
doaj   +1 more source

Bridging Scales in Flexible Perovskite Solar Cells: Mechanisms, Interfaces, and Applications

Advanced Science, EarlyView.
This perspective focuses on the advancement of flexible perovskite solar cells (f‐PSCs) from the energetic point of view, and summarizes the mechanisms, material characteristics, device performance, and failure mechanisms across the microscopic, mesoscopic, and macroscopic scales through mechanical energy dissipation theory.
Yan Wang, Zexin Yu, Chunlei Zhang, Ning Wang, Francesco Vanin, Bo Li, Nan Li, Meng Liao, Zonglong Zhu   +8 more
wiley   +1 more source

Balancing Effective Mass and Carrier Mobility via Ga‐Induced Multi‐Band Valley Engineering in GeTe Thermoelectrics

Advanced Science, EarlyView.
Ga doping drives simultaneous convergence of three valence bands and formation of a midgap band in Ge0.94Bi0.06Te, enhancing the Seebeck coefficient without sacrificing carrier mobility. Lattice vibration disorder and multi‐scale defect engineering suppress lattice thermal conductivity, delivering a ZT exceeding 2.1 and enabling efficient lead‐free ...
Jianglong Zhu, Yan Zhong, Xiang An, Huangshui Ma, Jie Zheng, Huagang Xiao, Shiyuan Zhan, Pingan Song, Min Hong, Ran Ang   +9 more
wiley   +1 more source

Lattice Dynamics Across the High‐Pressure Phase Transition in CrTe

Advanced Electronic Materials, EarlyView.
ABSTRACT High‐pressure physics provides a powerful means of tuning interatomic interactions, enabling the discovery of novel structural and physical phenomena in materials. Chromium telluride, a transition metal chalcogenide, is particularly responsive to such external stimuli, exhibiting a broad spectrum of pressure‐, temperature‐, and stoichiometry ...
Costanza Borghesi, Giacomo Giorgi, Daniele Varsano, Riccardo Rurali   +3 more
wiley   +1 more source

Large Area Growth of Silver and Gold Telluride Ultrathin Films via Chemical Vapor Tellurization

Inorganics
Developing a method for the growth of ultrathin metal chalcogenides, potentially targeting the two-dimensional (2D) limit, has a pivotal impact on various nanotechnological device applications.
Sara Ghomi, Alessio Lamperti, Mario Alia, Carlo Spartaco Casari, Carlo Grazianetti, Alessandro Molle, Christian Martella   +6 more
doaj   +1 more source