Results 41 to 50 of about 734,317 (337)

A Tunable Two-impurity Kondo system in an atomic point contact [PDF]

, 2011
Two magnetic atoms, one attached to the tip of a Scanning Tunneling Microscope (STM) and one adsorbed on a metal surface, each constituting a Kondo system, have been proposed as one of the simplest conceivable systems potentially exhibiting quantum ...
A Georges, A Yazdani, AC Hewson, AJ Heinrich, BA Jones, BA Jones, BA Jones, BA Jones, BC Stipe, C Jayaprakash, D Jacob, D van der Marel, DM Eigler, E Sela, G Zaránd, H Jeong, J Malecki, JA Gupta, Jakob Bork, Johann Kroha, K Tao, KG Wilson, KG Wilson, Klaus Kern, L De Leo, L Limot, L Vitali, Lars Diekhöner, László Borda, M Klein, M Plihal, N Néel, N Néel, ND Mathur, NJ Craig, P Lucignano, P Simon, P Wahl, Pascal Simon, Peter Wahl, R Bulla, R Bulla, R López, S Sachdev, SA Grigera, v Löhneysen, V Madhavan, V Madhavan, W Chen, Yong-hui Zhang   +49 more
core   +2 more sources

Supplementation of 5,6-Dimethylbenzimidazole and Cobalt in High-Concentrate Diet Improves the Ruminal Vitamin B₁₂ Synthesis and Fermentation of Sheep

Fermentation, 2023
The objective of this experiment was to investigate the effects of 5,6-dimethylbenzimidazole (5,6-DMB) and cobalt (Co) on the ruminal vitamin B12 synthesis and fermentation parameters of sheep under high concentrate conditions.
Rui Zhang, Zhiqiang Cheng, Changjiang Zang, Changyun Cui, Changwen Zhang, Yiling Jiao, Fengming Li, Xiaobin Li, Kailun Yang, Qiujiang Luo   +9 more
doaj   +1 more source

Electrical Conductivities of Conductors, Semiconductors, and Their Mixtures at Elevated Temperatures

Advanced Engineering Materials, EarlyView.
This article presents a comprehensive review of temperature‐dependent electrical conductivity data for multiple material classes at elevated temperatures, highlighting a persistent conductivity gap between metals and semiconductors in the range of 102$\left(10\right)^{2}$– 107$\left(10\right)^{7}$ S/m. Metal–ceramic irregular metamaterials are proposed
Valentina Torres Nieto, Marcia A. Cooper
wiley   +1 more source

Heat treatment for superalloy [PDF]

, 1987
A cobalt-free nickel-base superalloy composed of in weight % 15 Cr-5 Mo-3.5 Ti-4 Al-0.07 (max) C-remainder Ni is given a modified heat treatment.
Harf, Fredric H.
core   +1 more source

Dependence of transport coefficients of Yb(Rh$_{1-x}$Co$_x$)$_2$Si$_2$ intermetallics on temperature and cobalt concentration

, 2020
Dependence of transport coefficients of the Yb(Rh$_{1-x}$Co$_x$)$_2$Si$_2$ series of alloys on temperature and cobalt concentration is explained by an asymmetric Anderson model which takes into account the exchange scattering of conduction electrons on ...
Stockert, U., Zlatić, V.
core   +1 more source

In Situ Constructed Magnetic Core‐Shell Hydrogen‐Bonded Organic Framework‐on‐Metal–Organic Framework Structure: an Efficient Catalyst for Peroxymonosulfate Activation

Advanced Functional Materials, EarlyView.
In this work, a magnetic core‐shell catalyst (HOF‐on‐Fe3O4/ZIF‐67) is successfully synthesized, consisting of a metal–organic framework (ZIF‐67) with magnetic Fe3O4 as the core and a porous hydrogen‐bonded organic framework (HOF) as the shell. The catalyst efficiently activated peroxymonosulfate, resulting in rapid and effective removal of water ...
Yingying Du, Chenhui Ding, Chao Deng, Susanta Banerjee, Seema Agarwal   +4 more
wiley   +1 more source

Synthesis and antibacterial effects of cobalt–cellulose magnetic nanocomposites [PDF]

, 2017
© The Royal Society of Chemistry. Green synthesis is employed to prepare cobalt/cellulose nanocomposites with cubic (α-cobalt) cobalt as a main component with antibacterial and magnetic properties. An in situ reduction of aqueous solutions of cobalt ions
Alahmadi, N. S., Betts, J. W., Cheng, F., Francesconi, M. G., Francesconi, M. Grazia, Kelly, S. M., Kelly, S.M., Kornherr, A., Kornherr, Andreas, Prior, T. J., Prior, Timothy, Wadhawan, J. D., Wadhawan, Jay   +12 more
core   +1 more source

Atomically dispersed cobalt catalyst anchored on nitrogen-doped carbon nanosheets for lithium-oxygen batteries

Nature Communications, 2020
Developing single-site catalysts featuring maximum atom utilization efficiency is urgently desired to improve oxidation-reduction efficiency and cycling capability of lithium-oxygen batteries.
Peng Wang, Yingying Ren, Rutao Wang, Peng Zhang, Mingjie Ding, Caixia Li, Danyang Zhao, Zhao Qian, Zhiwei Zhang, Luyuan Zhang, Longwei Yin   +10 more
semanticscholar   +1 more source

Biomass Native Structure Into Functional Carbon‐Based Catalysts for Fenton‐Like Reactions

Advanced Functional Materials, EarlyView.
This study indicates that eight biomasses with 2D flaky and 1D acicular structures influence surface O types, morphology, defects, N doping, sp2 C, and Co nanoparticles loading in three series of carbon, N‐doped carbon, and cobalt/graphitic carbon. This work identifies how these structural factors impact catalytic pathways, enhancing selective electron
Wenjie Tian, Jingkai Lin, Zhihao Tian, Selusiwe Ncube, Huayang Zhang, Emiliano Cortés, Hongqi Sun, Shaobin Wang   +7 more
wiley   +1 more source

Electronic structure and bonding properties of cobalt oxide in the spinel structure

, 2011
The spinel cobalt oxide Co3O4 is a magnetic semiconductor containing cobalt ions in Co2+ and Co3+ oxidation states. We have studied the electronic, magnetic and bonding properties of Co3O4 using density functional theory (DFT) at the Generalized Gradient
A. J. W., Annabella Selloni, D. R. Lide, Jia Chen, N. Marzari, Xifan Wu   +5 more
core   +1 more source