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- Andersson, S, et al.
(författare)
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CO dissociation characteristics on size-distributed rhodium islands on alumina model substrates
- 1998
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Ingår i: JOURNAL OF CHEMICAL PHYSICS. - : AMER INST PHYSICS. - 0021-9606. ; 108:7, s. 2967-2974
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The dissociation of CO on size-distributed Rh particles supported on a thin alumina film has been studied with high resolution X-ray Photoelectron Spectroscopy (XPS) and X-ray Absorption Spectroscopy (XAS). Adsorbed CO dissociates upon heating to temperat
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- Andersson, S, et al.
(författare)
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Metal-oxide interaction for metal clusters on a metal-supported thin alumina film
- 1999
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Ingår i: SURFACE SCIENCE. - : ELSEVIER SCIENCE BV. ; 442:1
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Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
- The interaction between deposited metal clusters and a thin model alumina film grown on NiAl(110) have been studied using X-ray absorption spectroscopy (XAS) and core and valence photoelectron spectroscopy. A lower limit for the fundamental gap of the sup
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- Andersson, S, et al.
(författare)
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Temperature dependent XPS study of CO dissociation on small Rh particles
- 1998
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Ingår i: VACUUM. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0042-207X. ; 49:3, s. 167-170
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- We have used temperature dependent X-ray Photoelectron Spectroscopy (XPS) to study the heating-induced CO dissociation on oxide-supported Rh particles through observation of changes undergone by the adsorbate CO and the formation of atomic carbon from the
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- Frank, M, et al.
(författare)
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Particle size dependent CO dissociation on alumina-supported Rh: a model study
- 1997
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Ingår i: CHEMICAL PHYSICS LETTERS. - : ELSEVIER SCIENCE BV. - 0009-2614. ; 279:1-2, s. 92-99
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Via deposition of Ph from the gas phase onto a thin, well-ordered alumina film we have prepared various of alumina-supported Rh particle systems. The morphologies and particle sizes have been characterised with spot profile analysis LEED and STM measureme
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- Grewe, E. W., et al.
(författare)
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Studies on the double-beta decay nucleus Zn-64 using the (d,He-2) reaction
- 2008
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Ingår i: Physical Review C - Nuclear Physics. - 2469-9985 .- 2469-9993. ; 77:6
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Tidskriftsartikel (refereegranskat)abstract
- The (d,He-2) charge-exchange reaction on the double-beta decay (beta beta) nucleus Zn-64 has been studied at an incident energy of 183 MeV. The two protons in the S-1(0) state (indicated as He-2) were both momentum analyzed and detected simultaneously by the BBS magnetic spectrometer and its position-sensitive detector. He-2 spectra with a resolution of about 115 keV (FWHM) have been obtained allowing identification of many levels in the residual nucleus Cu-64 with high precision. Zn-64 is one of the rare cases undergoing a beta beta decay in beta(+) direction. In the experiment presented here, Gamow-Teller (GT(+)) transition strengths have been extracted. Together with the GT(-) transition strengths from Ni-64(He-3,t) data to the same intermediate nucleus Cu-64, the nuclear matrix elements of the beta beta decay of Zn-64 have been evaluated. Finally, the GT(+/-) distributions are compared with shell-model calculations and a critical assessment is given of the various residual interactions presently employed for the pf shell.
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