Results 181 to 190 of about 6,863 (223)
Time-resolved two-photon photoemission spectroscopy of HOPG and Ag nanoparticles on HOPG
Applied Physics B: Lasers and Optics, 1999 Abstract. Time-resolved two-color two-photon photoemis-sion experiments are used to investigate the electronic dy-namics in highly oriented pyrolytic graphite (HOPG)andinAg nanoparticles grown on HOPG. The multiphoton photo-emission using 267nm and 400nm excitation is presentedand discussed.
Ertel, K. +7 more
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Au Nanoparticles Supported on HOPG: An XPS Characterization
Surface Science Spectra, 2003 Gold nanoparticles were deposited on HOPG by rf sputtering in Ar plasmas. All experiments were carried out at a substrate temperature as low as 60 °C, in order to minimize the contribution of thermal effects with respect to plasma-dependent phenomena.
D. BARRECA +4 more
core +4 more sources
Manipulation of Nickel Nanoparticles Deposited on HOPG
MRS Proceedings, 2004 ABSTRACTNickel nanowires were fabricated by electrodepositing Ni from an aqueous plating solution onto the step edges of Highly Oriented Pyrolytic Graphite (HOPG). Freshly cleaved HOPG was exposed to a plating solution of nickel and electro chemically deposited by cyclic voltametry.
Massood Z. Atashbar +2 more
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Surface Science, 2016
N-doped Highly Oriented Pyrolytic Graphite (HOPG) (obtained by ion implantation) was used as a model system for mimicking the effect of N-doping in sp2 hybridized carbon based supports. The electronic structure of such system has been careful characterized by means of spectroscopic techniques adopting synchrotron radiation.
Stefano Agnoli +2 more
exaly +2 more sources
N-doped Highly Oriented Pyrolytic Graphite (HOPG) (obtained by ion implantation) was used as a model system for mimicking the effect of N-doping in sp2 hybridized carbon based supports. The electronic structure of such system has been careful characterized by means of spectroscopic techniques adopting synchrotron radiation.
Stefano Agnoli +2 more
exaly +2 more sources
Afm Of Hopg: Case Study Of Hopg Milling
, 2020 The purpose of this work is study of highly oriented pyrolytic graphite (HOPG) processed by focused ion beam (FIB) using atomic force microscopy (AFM) and Raman spectroscopy. Due of its properties, HOPG have a promising potential and wide range of applications in nanotechnology.
Komínek, Josef
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Electrochimica Acta, 2014 The combination of surface science and electrochemistry is an effective method to approach a fundamental understanding of electrocatalytic systems, especially of the catalyst/support assemblies.
Stefano Agnoli, Wenbo Ju, Marco Favaro
exaly +2 more sources
STM observation of oxidation morphology of HOPG and boron-doped HOPG
Carbon, 1997chinese acad sci, inst met res, shenyang 110015, peoples r china. chinese acad sci, lab atom imaging solid, shenyang 110015, peoples r china.;cheng, hm (reprint author), chinese acad sci, inst met res, shenyang 110015, peoples r ...
W.G. Zhang +5 more
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An in situ ESR study of the intercalation mechanism: HOPG/fluorine and HOPG/HNO3
Synthetic Metals, 1985Abstract An in situ ESR study of Highly Oriented Pyrolytic Graphite (HOPG) indicates dramatic changes in the ESR lineshape (A/B ratio) and intensity upon exposure to fluorine or HNO3. The results can be interpreted by the formation of a macroscopic intercalation layer and the advance of the boundary separating this layer from the as yet ...
I. Palchan +4 more
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Suspended HOPG nanosheets for HOPG nanoresonator engineering and new carbon nanostructure synthesis
Nanotechnology, 2006Suspended highly oriented pyrolytic graphite (HOPG) nanosheets (10?300?nm thick) were created by direct mechanical cleavage of a bulk HOPG crystal onto silicon micropillars and microtracks. We show that suspended HOPG nanosheets can be used to engineer HOPG nanoresonators such as membranes, bridges, and cantilevers as thin as 28 carbon atom layers.
F Rose +4 more
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Physica B+C, 1982
Abstract We have made third sound velocity measurements via the time-of-flight technique for 4 He films adsorbed on the surface of a single leaf of highly oriented pyrolytic graphite between 1.0 and 1.3 K. Our results are in qualitative agreement with an earlier experiment involving third sound on Grafoil foam.
J.D. Maynard, M.H.W. Chan
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Abstract We have made third sound velocity measurements via the time-of-flight technique for 4 He films adsorbed on the surface of a single leaf of highly oriented pyrolytic graphite between 1.0 and 1.3 K. Our results are in qualitative agreement with an earlier experiment involving third sound on Grafoil foam.
J.D. Maynard, M.H.W. Chan
openaire +1 more source