Helena E. Hagelin-Weaver

Publications43
h-index19
Citations1,061
Highly Influential Citations16
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Surface Science: Foundations of Catalysis and Nanoscience
Price £39.95 The first edition of Kurt W. Kolasinski’s book Surface Science: Foundations of Catalysis and Nanoscience was an almost immediate success and has been described as a ‘classic of its… Expand
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Steam reforming of methanol using Cu-ZnO catalysts supported on nanoparticle alumina
Abstract Methanol steam reforming was studied over several catalysts made by deposition of copper and zinc precursors onto nanoparticle alumina. The results were compared to those of a commercially… Expand
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Electron energy loss spectroscopic investigation of Co metal, CoO, and Co3O4 before and after Ar+ bombardment
Abstract X-ray photoelectron spectroscopy (XPS) and electron energy loss spectroscopy (ELS) have been used to study a sputter-cleaned polycrystalline Co metal foil and CoO plus Co 3 O 4 powders… Expand
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Electron energy loss spectroscopic investigation of Ni metal and NiO before and after surface reduction by Ar+ bombardment
Abstract Electron energy loss spectra (ELS) have been obtained from Ni metal, NiO and NiO after surface reduction by 2 keV Ar + bombardment. Two predominant loss features in the ELS spectra obtained… Expand
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Steam reforming of methanol over CeO2- and ZrO2-promoted Cu-ZnO catalysts supported on nanoparticle Al2O3
Abstract Methanol steam reforming was studied over several ZrO2- and CeO2-promoted catalysts prepared by deposition of copper and zinc oxide precursors onto nanoparticle Al2O3 and ZrO2 supports. The… Expand
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Effects of Li Doping on MgO-Supported Sm2O3 and TbOx Catalysts in the Oxidative Coupling of Methane
Rare earth oxides (REOs), particularly the sesquioxides, such as Sm2O3 and La2O3, have been investigated as promising catalysts in the oxidative coupling of methane (OCM). Much less attention has… Expand
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Electron energy loss spectroscopy study of nickel, chromium and a nickel–chromium alloy
Abstract Electron energy loss spectroscopy (ELS) spectra have been obtained from polycrystalline Ni, Cr and a Ni–Cr alloy (nichrome) using primary electron energies ranging from 100 to 1150 eV. Loss… Expand
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Sol–Gel Preparation of Samaria Catalysts for the Oxidative Coupling of Methane
A new sol–gel synthesis route for alumina–samaria mixed aero- and xerogel catalysts based on the so-called epoxide addition method and the use of these systems as catalysts for the oxidative coupling… Expand
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Parahydrogen-induced polarization by pairwise replacement catalysis on Pt and Ir nanoparticles.
Pairwise and random addition processes are ordinarily indistinguishable in hydrogenation reactions. The distinction becomes important only when the fate of spin correlation matters, such as in… Expand
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Strong Metal–Support Interactions Enhance the Pairwise Selectivity of Parahydrogen Addition over Ir/TiO2
The effects of strong metal–support interactions (SMSI) on the pairwise selectivity of propene hydrogenation over metal-oxide-supported Ir nanoparticles were investigated using parahydrogen-enhanced… Expand
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