Results 31 to 40 of about 277,971 (217)

Cobalt recovery from industrial and nuclear waste resources: A review

Chemical Engineering Journal Advances
With the widespread applications of cobalt in energy storage, electronics, electric vehicles, and most importantly, in the production of 60Co in nuclear industries, its recovery from secondary sources is increasingly important.
Kamal Asghar, Miguta Faustine Ngulimi, Sion Kim, Bum Kyoung Seo, Changhyun Roh   +4 more
doaj   +1 more source

Impurity Diffusion and Isotope Effect of Cobalt in α-Iron

Materials Transactions, JIM, 1993
Impurity diffusion and the isotope effect of cobalt in α-iron have been studied by a serial radio-frequency sputter-microsectioning method with radioactive tracers 57 Co and 60 Co in the temperature range 859 to 1173 K. of the magnetic spin ordering on the diffusion of cobalt than that on the self-diffusion in α-iron has been observed.
Iijima, Yoshiaki, Kimura, Kazuhiro, Lee, Chan-Gyu, Hirano, Ken-ichi   +3 more
openaire   +2 more sources

Designing Vanadium‐Based Oxide Electrocatalysts for Water Splitting: Experimental and Mechanistic Insights with Machine Learning

Advanced Functional Materials, EarlyView.
This review establishes structure‐property‐mechanism relationships across six modification strategies for V‐based oxide water‐splitting electrocatalysts: lattice engineering, heteroatom doping, interface engineering, carbon‐based hybridization, morphology engineering, and surface reconstruction and pre‐catalyst design, where dissolution is reframed as ...
Youness El Issmaeli, Amina Lahrichi, Hoje Chun, Rafael Gómez‐Bombarelli, Bruno G. Pollet   +4 more
wiley   +1 more source

Geochemical indicators for cobalt-rich skarn exploration: constraints from the Pusangguo granodiorite (Gangdese) on geochemistry, zircon U-Pb geochronology and Hf-Nd-Sr isotopes

Frontiers in Earth Science
The Pusangguo skarn-type copper-polymetallic deposit in the Gangdese metallogenic belt hosts economic cobalt mineralization. An integrated study of petrography, zircon U-Pb geochronology, whole-rock geochemistry, and Sr–Nd–Hf isotopes indicates the ore ...
Zhaxi Pubu, Qiong Ci, Fuzhi Gong, Nan Chao   +3 more
doaj   +1 more source

Azobenzene's Cross‐Scale Optics and Photonics: Molecular Photoswitching, Mesoscopic Material Motions, and Adaptive Devices

Advanced Materials, EarlyView.
Azobenzene photoswitches translate molecular‐scale E/Z photoisomerization into macroscopic material responses and device‐level photonic functions. This Review highlights how azobenzene research has evolved from molecular photochemistry to photoalignment, mass migration, photomechanics, and heat release, ultimately enabling holography, reconfigurable ...
Heeju Son, Soyul Kwak, Heerin Noh, Minsang Kim, Doyeon Noh, Subhayan Chakraborty, Jaewon Lee, YongDeok Cho, Kyeongsoo Kim, Taewoong Eom, Moonyoung Kim, Jangwon Kim, Hoyoung Lee, Soyoung Lee, Jaehun Kim, Grace G. D. Han, Shin‐Tson Wu, Stefano Oscurato, Arri Priimagi, Marina Saphiannikova, Seungwoo Lee   +20 more
wiley   +1 more source

Cobalt-Catalyzed Migration Isomerization of Dienes

, 2022
A cobalt-catalyzed multipositional isomerization of conjugated dienes has been reported for the first time using an 8-oxazoline iminoquinoline ligand. This reaction is operationally simple and atom-economical using readily available starting materials ...
Guoxiong Xu (5211989), Jiajin Zhao (8275509), Xiang Ren (358465), Jiren Liu (12901496), Xue Wang (102830), Xin Hong (95011), Zhan Lu (252825)   +6 more
core   +1 more source

Decoding Synergistic Pathways in Bimetallic MOFs for Advanced Oxidation Processes

Advanced Materials, EarlyView.
This review presents a unified framework linking metal pairing and framework design with electronic structure, redox cycling, oxidant activation, reactive‐species generation, and catalytic performance across photocatalytic and oxidant‐based BMOF‐AOPs. The resulting design principles guide the development of hydrolytically stable and efficient BMOFs for
Karim El‐Naggar, Huayang Zhang, Shaobin Wang   +2 more
wiley   +1 more source

Cobalt(II) Alginate as a Precursor for Green Synthesis of Cobalt Oxide Nanoparticles [PDF]

, 2022
There is an increasing scientific interest in environmentally friendly methods in nanoparticle synthesis. In this study, cobalt oxide nanoparticles were prepared by thermal decomposition of cobalt crosslinked alginate gel, where alginate acts as a ...
Titilayomi Roseline, Adetoro, Hakan, Kaygusuz, Burcu, Orhan   +2 more
core   +1 more source

Controlled Growth of Boron Nitride in Various Phases

Advanced Materials Interfaces, EarlyView.
Phase‐selective boron nitride growth is presented as a unified materials‐design problem across hexagonal, rhombohedral, cubic, and amorphous phases. By linking synthesis routes to thermodynamic stability, kinetic accessibility, surface diffusion, interfacial templating, and energetic activation, this review clarifies how bonding and stacking are ...
Pan Wu, Kanghao Xie, Jiajie Qi, Xiaorui Zheng, Kaihui Liu, Xuedong Bai, Li Wang   +6 more
wiley   +1 more source

Characteristics of the Shijiagou Cobalt Deposit in Fengxian, Western Qinling, and the Source of Ore-forming Fluids: Evidence from S, O, and H Isotopes

Donghua Ligong Daxue Xuebao. Ziran Kexue Ban
[Objective] The Shijiagou deposit is a newly discovered cobalt deposit in the Qinling orogenic belt, and it is necessary to determine the characteristics of its ore-forming fluids and the genesis of the deposit.
LIU Songbai, LI Chao, LI Xiaoguo, LIU Xiong   +3 more
doaj   +1 more source