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  • 1
    Electronic Resource
    Electronic Resource
    Contributions of different generations of recoils to sputtering by backscattered light ions (1994)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 16 (1994), S. 75-88 
    Details
    ISSN: 0392-6737
    Keywords: Impact phenomena (including electron spectra and sputtering)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary Neumann's expansion of the integral form of the Boltzmann transport equation is used to estimate the contribution of different generations of recoils to sputtering. By considering the flux generated by backscattered ions it is shown that primary recoils are, in the region of low energy (few keV), the main contribution to sputtering.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02452004
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Energy distribution of reflected ions at normal incidence on the target surface (1996)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 18 (1996), S. 873-881 
    Details
    ISSN: 0392-6737
    Keywords: Impact phenomena (including electron spectra and sputtering)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary The energy distribution of reflected ions at normal incidence of the primary beam on the target surface is obtained as a result of approximate solution of the Boltzmann equation by the method of discrete streams. This method gives the opportunity to avoid the problem of negative distribution function, arising in the generally applied method of spherical harmonics, and to present the final result in analytical form. The analysis is performed for a power scattering cross-section and the theoretical energy distribution demonstrates one maximum when the ion mass is equal to the mass of a target atom, and two maxima when the ion mass is much less than the mass of a target atom.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02457320
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  • 3
    Electronic Resource
    Electronic Resource
    The integral approach to the sputtering (1993)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 15 (1993), S. 1159-1174 
    Details
    ISSN: 0392-6737
    Keywords: Impact phenomena (including electron spectra and sputtering)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary The emission-oriented integral form of Boltzmann transport equation is applied to the sputtering phenomenon. It is shown that the central quantity in the formulation, namely the characteristic mean free path of the phenomenon, can be the low-energy transport mean free path. The same mean free path gives a measure of the mean escape depth as derived in experiments and computer simulation studies. Finally, the sputtering yields, calculated by using the same mean free path, when compared with the experimental results, show an evident improvement with respect to the Sigmund theory.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02451724
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    Paper (German National Licenses)
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  • 4
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    NEMO-SN1 Abyssal Cabled Observatory in the Western Ionian Sea (2012)
    IEEE / Institute of Electrical and Electronics Engineers Incorporated
    Details
    Publication Date: 2020-02-24
    Description: The “NEutrino Mediterranean Observatory - Submarine Network 1” (NEMO-SN1) seafloor observatory is located in the central Mediterranean Sea, Western Ionian Sea, off Eastern Sicily (Southern Italy) at 2100 m water depth, 25 km from the harbour of the city of Catania. It is a prototype of a cabled deep-sea multiparameter observatory and the first one operating with real-time data transmission in Europe since 2005. NEMO-SN1 is also the first-established node of the “European Multidisciplinary Seafloor and water column Observatory” (EMSO, http://www.emso-eu.org), one of the incoming European large-scale research infrastructures included in the Roadmap of the “European Strategy Forum on Research Infrastructures” (ESFRI, http://cordis.europa.eu/esfri/roadmap.htm) since 2006. EMSO will specifically address long-term monitoring of environmental processes related to Marine Ecosystems, Climate Change and Geo-hazards. NEMO-SN1 has been deployed and developed over the last decade thanks to Italian funding and to the EC project “European Seas Observatory NETwork - Network of Excellence” (ESONET-NoE, 2007-2011) that funded the “Listening to the Deep Ocean - Demonstration Mission” (LIDO-DM) and a technological interoperability test (http://www.esonet-emso.org/). NEMOSN1 is performing geophysical and environmental long-term monitoring by acquiring seismological, geomagnetic, gravimetric, accelerometric, physico-oceanographic, hydroacoustic, bio-acoustic measurements. Scientific objectives include studying seismic signals, tsunami generation and warnings, its hydroacoustic precursors, and ambient noise characterisation in terms of marine mammal sounds, environmental and anthropogenic sources. NEMO-SN1 is also an important test-site for the construction of the “Kilometre-Cube Underwater Neutrino Telescope” (KM3NeT, http://www.km3net.org/), another large-scale research infrastructure included in the ESFRI Roadmap based on a large volume neutrino telescope. The description of the observatory and its most recent implementations is presented. On 9th June, 2012 NEMO-SN1 was successfully deployed and is working in real-time.
    Description: Published
    Description: 358 - 374
    Description: 1.8. Osservazioni di geofisica ambientale
    Description: JCR Journal
    Description: restricted
    Keywords: NEMO-SN1 cabled observatory ; Geo-hazards ; Bio-acoustics ; High-energy astrophysics ; EMSO ; KM3NeT ; 03. Hydrosphere::03.01. General::03.01.04. Ocean data assimilation and reanalysis ; 03. Hydrosphere::03.01. General::03.01.08. Instruments and techniques ; 03. Hydrosphere::03.02. Hydrology::03.02.04. Measurements and monitoring ; 03. Hydrosphere::03.02. Hydrology::03.02.07. Instruments and techniques
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 5
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    NEMO-SN1 (Western Ionian Sea, off Eastern Sicily): Example of architecture of a cabled observatory (2012)
    IEEE
    Details
    Publication Date: 2017-04-04
    Description: NEMO-SN1, located in the central Mediterranean Sea, Western Ionian Sea, off Eastern Sicily Island (Southern Italy) at 2100 m water depth, 25 km from the harbour of the city of Catania, is a prototype of a cabled deep-sea multiparameter observatory and the first operating with real-time data transmission in Europe since 2005. NEMO-SN1 is also the first-established node of EMSO (European Multidisciplinary Seafloor Observatory, http://emso-eu.org), one of the incoming European large-scale research infrastructure included since 2006 in the Roadmap of the ESFRI (European Strategy Forum on Research Infrastructures, http://cordis.europa.eu/esfri/roadmap.htm), which will specifically address long-term monitoring of environmental processes related to Marine Ecosystems, Climate Change and Geo-hazards. NEMO-SN1 has been deployed and developed over the last decade thanks to Italian resources and to the EC project ESONET-NoE (European Seas Observatory NETwork - Network of Excellence, 2007-2011) that funded the LIDO-DM (Listening to the Deep Ocean - Demonstration Mission) and a technological interoperability test (http://www.esonet-emso.org/esonet-noe/). NEMO-SN1 is performing geophysical and environmental long-term monitoring by acquiring seismological, geomagnetic, gravimetric, accelerometric, physico-oceanographic, hydro-acoustic, bioacoustic measurements specifically related to earthquakes and tsunamis generation and ambient noise characterisation in term of marine mammal sounds, environmental and anthropogenic sources. A further main feature of NEMO-SN1 is to be an important test-site for the construction of KM3NeT (Kilometre-Cube Underwater Neutrino Telescope, http://www.km3net.org/), another large-scale research infrastructure included in the ESFRI Roadmap constituted by a large volume neutrino telescope. The description of the observatory and the most recent data acquired will be presented and framed in the general objectives of EMSO.
    Description: Published
    Description: Tokio, 5-8 April 2011
    Description: 4.4. Scenari e mitigazione del rischio ambientale
    Description: 4.6. Oceanografia operativa per la valutazione dei rischi in aree marine
    Description: restricted
    Keywords: NEMO-SN1 cabled observatory ; Geo-hazards ; Bio-acoustics ; High-energy astrophysics ; EMSO ; KM3NeT ; 03. Hydrosphere::03.01. General::03.01.04. Ocean data assimilation and reanalysis ; 03. Hydrosphere::03.01. General::03.01.08. Instruments and techniques ; 03. Hydrosphere::03.02. Hydrology::03.02.04. Measurements and monitoring ; 03. Hydrosphere::03.02. Hydrology::03.02.07. Instruments and techniques
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Conference paper
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