نتایج جستجو برای: bimetallic wire

تعداد نتایج: 34026  

2013
Hailiang Yu Cheng Lu A. Kiet Tieu Ajit Godbole Lihong Su Yong Sun Mao Liu Delin Tang Charlie Kong

This paper reports a new technique that combines the features of Accumulative Roll Bonding (ARB) and Asymmetric Rolling (AR). This technique has been developed to enable production of ultra-thin bimetallic foils. Initially, 1.5 mm thick AA1050 and AA6061 foils were roll-bonded using ARB at 200°C, with 50% reduction. The resulting 1.5 mm bimetallic foil was subsequently thinned to 0.04 mm throug...

2014
Zhen Yin Yining Zhang Kai Chen Jing Li Wenjing Li Pei Tang Huabo Zhao Qingjun Zhu Xinhe Bao Ding Ma

Monodispersed bimetallic PdAg nanoparticles can be fabricated through the emulsion-assisted ethylene glycol (EG) ternary system. Different compositions of bimetallic PdAg nanoparticles, Pd₈₀Ag₂₀, Pd₆₅Ag₃₅ and Pd₄₆Ag₅₄ can be obtained via adjusting the reaction parameters. For the formation process of the bimetallic PdAg nanoparticles, there have two-stage growth processes: firstly, nucleation a...

2012
JIN-HYUCK JUNG SUNG-HEE JUNG SANG-HO KIM SEONG-HO CHOI

Radioisotopes are useful tracers because their chemical properties are the same as those of stable isotopes and they show higher detection sensitivity than other tracers. Their usefulness has been demonstrated in fluorescence experiments in diverse areas including life science, medicine, and engineering. SiO2-coated radioisotope Au coreshell nanoparticles (Au@SiO2 NPs) were first synthesized by...

Journal: :Chemical communications 2005
Jean-Michel Senegas Sylvain Koeller Gerald Bernardinelli Claude Piguet

A thorough examination of the disassembly of bimetallic triple-stranded lanthanide helicates [Ln2(Li)3]6+ (stoichiometry S = m/n = 2/3 = 0.67, global complexity GC = m + n = 2 + 3 = 5) in excess of metals shows the competitive formation of standard linear bimetallic complexes [Ln2(Li)2]6+ (S= 1.0, GC = 4), and circular trimetallic single-stranded helicates [Ln3(Li)3]9+ (S= 1.0, GC = 6).

2008
Yuying Shu Luis E. Murillo Jeffrey P. Bosco Wei Huang Anatoly I. Frenkel Jingguang G. Chen

The effect of impregnation sequence on the formation of Pt/Ni bimetallic nanoparticles supported on g-Al2O3 was investigated for catalysts with Pt/Ni atomic ratios of 3/1 and 1/1. These bimetallic catalysts were prepared with a fixed Pt loading (5 wt.%) by incipient impregnation of one metal precursor and calcination, followed by the impregnation of the second metal precursor and a second calci...

2008
Randy S. Fishman Fernando A. Reboredo

Bimetallic oxalates are layered molecule-based magnets with transition metals M II and M III coupled by oxalate molecules ox=C2O4 in an open honeycomb structure. Among the most interesting molecule-based magnets, Fe II Fe III bimetallic compounds with spins S=2 and S =5 /2 ferrimagnetically order at a transition temperature Tc that ranges from 30 to 48 K, depending on the organic cation between...

Journal: :Nanoscale 2012
Qian Li Ruibin Jiang Tian Ming Caihong Fang Jianfang Wang

Morphological control of multimetallic nanostructures is crucial for obtaining shape-dependent physical and chemical properties. Up to date, control of the shapes of multimetallic nanostructures has remained largely empirical. Multimetallic nanostructures have been produced mostly through seed-mediated growth. Understanding the role played by starting nanocrystal seeds can help in controlling t...

Journal: :Chemical Society reviews 2012
Hui Zhang Mingshang Jin Younan Xia

Bimetallic nanocrystals consisting of two distinct metals such as Pd and Pt are attractive for a wide variety of catalytic and electrocatalytic applications as they can exhibit not only a combination of the properties associated with both metals but also enhancement or synergy due to a strong coupling between the two metals. With Pd as the base metal, many methods have recently been demonstrate...

Journal: :Nanoscale 2015
Jian-Li Mi Peter Nørby Martin Bremholm Jacob Becker Bo B Iversen

An understanding of the nucleation and growth mechanism of bimetallic nanoparticles in solvothermal synthesis is important for further development of nanoparticles with tailored nanostructures and properties. Here the formation of PtRu alloy nanoparticles in a solvothermal synthesis using metal acetylacetonate salts as precursors and ethanol as both the solvent and reducing agent has been studi...

2014
Qi Hao Deyang Du Chenxi Wang Wan Li Hao Huang Jiaqi Li Teng Qiu Paul K. Chu

Surface enhanced fluorescence (SEF) utilizes the local electromagnetic environment to enhance fluorescence from the analyte on the surface of a solid substrate with nanostructures. While the detection sensitivity of SEF is improved with the development of nano-techniques, detection of multiple analytes by SEF is still a challenge due to the compromise between the high enhancing efficiency and b...

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