2013 (v1)
Publication
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Uploaded on: April 14, 2023
B
G
BRACCO , Gianangelo
Last name: BRACCO
First name: Gianangelo
Email: bracco@fisica.unige.it
Institution: UOM
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1994 (v1)Publication
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Uploaded on: October 11, 2023 -
1989 (v1)Publication
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Uploaded on: March 31, 2023 -
2008 (v1)Publication
A quadrupole mass filter is generally built by using cylindrical rods whose radius and separation are chosen to approximate the ideal hyperbolic field. Recently, concave cylindrical as well as planar geometries have been proposed to replace ordinary cylindrical rods with the aim to reduce the size and weight of the filter. In this article, the...
Uploaded on: April 14, 2023 -
2011 (v1)Publication
The working point of a quadrupole mass filter is generally set in the first zone of stability. For applications that require higher resolutions other stability zones can provide a suitable alternative and in this article it is investigated the third zone in particular for applications in the low mass range. Ion trajectory simulations for 4He+...
Uploaded on: March 31, 2023 -
2003 (v1)Publication
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Uploaded on: March 25, 2023 -
2007 (v1)Publication
The morphology of the nanostructured Au(111) surface has been investigated in the temperature range between 170 and 400 K by means of thermal energy He atom scattering. The gold surface has been irradiated with 3 keV Ar+ ions along the azimuthal direction 110 at grazing incidence (about 75°). After sputtering at temperatures greater than 180 K,...
Uploaded on: March 25, 2023 -
2004 (v1)Publication
We present a study of a self-assembled monolayers of decanethiol on Au(1 1 1) performed by means of low energy He beam scattering. Full monolayers of standing up molecules have been grown at 275 K in ultra high vacuum and the measurements have been performed between 40 and 60 K. In particular, specular reflectivity has been measured before and...
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1991 (v1)Publication
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1993 (v1)Publication
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2004 (v1)Publication
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1999 (v1)Publication
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Uploaded on: December 5, 2022 -
1990 (v1)Publication
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Uploaded on: March 31, 2023 -
1990 (v1)Publication
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Uploaded on: December 5, 2022 -
1994 (v1)Publication
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2010 (v1)Publication
We describe the design and test of a flexure z-stage with 12.5 mm height and 4 m travel to be coupled with a commercial xy stage. The geometrical model was simulated by means of finite element calculations which have provided an accurate description of the stage dynamics also taking into account the effect of a load to get a resonant frequency...
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1996 (v1)Publication
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Uploaded on: March 27, 2023 -
1996 (v1)Publication
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Uploaded on: April 14, 2023 -
1989 (v1)Publication
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Uploaded on: April 14, 2023 -
1990 (v1)Publication
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Uploaded on: April 14, 2023 -
1991 (v1)Publication
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Uploaded on: March 31, 2023