EROS II: A boosted time-of-flight reflectometer for multi-purposes applications at the Laboratoire Léon Brillouin
Abstract We present the characteristics and performances of the time-of-flight EROS reflectometer, located at Laboratoire Léon Brillouin (Saclay, France), which operates on the high-flux Orphée reactor. It is a versatile spectrometer with a horizontal geometry enabling air/liquid, air/solid and soli...
Ausführliche Beschreibung
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| Autor*in: |
Cousin, F. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2011 |
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| Schlagwörter: |
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| Anmerkung: |
© Società Italiana di Fisica and Springer 2011 |
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| Übergeordnetes Werk: |
Enthalten in: The European physical journal - Berlin : Springer, 2011, 126(2011), 11 vom: 11. Nov. |
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| Übergeordnetes Werk: |
volume:126 ; year:2011 ; number:11 ; day:11 ; month:11 |
| Links: |
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| DOI / URN: |
10.1140/epjp/i2011-11109-6 |
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| 520 | |a Abstract We present the characteristics and performances of the time-of-flight EROS reflectometer, located at Laboratoire Léon Brillouin (Saclay, France), which operates on the high-flux Orphée reactor. It is a versatile spectrometer with a horizontal geometry enabling air/liquid, air/solid and solid/liquid measurements. It is mostly dedicated to soft matter projects but welcomes also studies on thin solid films. It is equipped with a multi-disc chopper providing a tunable δλ/λ resolution, a collimation system with two deviating supermirrors and slits with flexible apertures allowing any given δθ/θ higher than 0.007, a large sample area, and a detector (either single tube or positioning sensitive detector). The accessible Qmin is 0.0026 $ Å^{−1} $ and the accessible Qmax is 0.36 $ Å^{−1} $ in air/solid or solid/liquid geometries and 0.21 $ Å^{−1} $ in air/liquid geometry. The spectrometer has been upgraded during the last decade in order to reach a gain in flux of ∼ 50 from its original version. In air/solid geometry, we reach Rmin = 2×$ 10^{−5} $ in 1 hour, Rmin = 8×$ 10^{−7} $ in 4 hours and Rmin = 4×$ 10^{−7} $ in 12 hours on a sample of ∼ 20 $ cm^{2} $ with EROS II, while it was difficult to go below $ 10^{−5} $ with the initial version dating from 1992. In air/liquid or solid/liquid geometries, we show that the main limitation to reach very low reflectivities is the incoherent scattering of the liquid solvent ($ D_{2} $O) . For such geometries, we obtain Rmin of 5×$ 10^{−6} $ in 4 hours after incoherent background subtraction. The rejuvenated EROS allows thus measurements of 15-20 samples of a few tens $ cm^{2} $ in a span of 4 days, which corresponds to the minimum time allocated to external users for a given experiment. | ||
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10.1140/epjp/i2011-11109-6 doi (DE-627)SPR031448054 (SPR)i2011-11109-6-e DE-627 ger DE-627 rakwb eng Cousin, F. verfasserin aut EROS II: A boosted time-of-flight reflectometer for multi-purposes applications at the Laboratoire Léon Brillouin 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Società Italiana di Fisica and Springer 2011 Abstract We present the characteristics and performances of the time-of-flight EROS reflectometer, located at Laboratoire Léon Brillouin (Saclay, France), which operates on the high-flux Orphée reactor. It is a versatile spectrometer with a horizontal geometry enabling air/liquid, air/solid and solid/liquid measurements. It is mostly dedicated to soft matter projects but welcomes also studies on thin solid films. It is equipped with a multi-disc chopper providing a tunable δλ/λ resolution, a collimation system with two deviating supermirrors and slits with flexible apertures allowing any given δθ/θ higher than 0.007, a large sample area, and a detector (either single tube or positioning sensitive detector). The accessible Qmin is 0.0026 $ Å^{−1} $ and the accessible Qmax is 0.36 $ Å^{−1} $ in air/solid or solid/liquid geometries and 0.21 $ Å^{−1} $ in air/liquid geometry. The spectrometer has been upgraded during the last decade in order to reach a gain in flux of ∼ 50 from its original version. In air/solid geometry, we reach Rmin = 2×$ 10^{−5} $ in 1 hour, Rmin = 8×$ 10^{−7} $ in 4 hours and Rmin = 4×$ 10^{−7} $ in 12 hours on a sample of ∼ 20 $ cm^{2} $ with EROS II, while it was difficult to go below $ 10^{−5} $ with the initial version dating from 1992. In air/liquid or solid/liquid geometries, we show that the main limitation to reach very low reflectivities is the incoherent scattering of the liquid solvent ($ D_{2} $O) . For such geometries, we obtain Rmin of 5×$ 10^{−6} $ in 4 hours after incoherent background subtraction. The rejuvenated EROS allows thus measurements of 15-20 samples of a few tens $ cm^{2} $ in a span of 4 days, which corresponds to the minimum time allocated to external users for a given experiment. Silicon Wafer (dpeaa)DE-He213 Neutron Beam (dpeaa)DE-He213 Incoherent Scattering (dpeaa)DE-He213 Deuterated Water (dpeaa)DE-He213 Cold Source (dpeaa)DE-He213 Ott, F. aut Gibert, F. aut Menelle, A. aut Enthalten in The European physical journal Berlin : Springer, 2011 126(2011), 11 vom: 11. Nov. (DE-627)647653958 (DE-600)2595693-0 2190-5444 nnns volume:126 year:2011 number:11 day:11 month:11 https://dx.doi.org/10.1140/epjp/i2011-11109-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 126 2011 11 11 11 |
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10.1140/epjp/i2011-11109-6 doi (DE-627)SPR031448054 (SPR)i2011-11109-6-e DE-627 ger DE-627 rakwb eng Cousin, F. verfasserin aut EROS II: A boosted time-of-flight reflectometer for multi-purposes applications at the Laboratoire Léon Brillouin 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Società Italiana di Fisica and Springer 2011 Abstract We present the characteristics and performances of the time-of-flight EROS reflectometer, located at Laboratoire Léon Brillouin (Saclay, France), which operates on the high-flux Orphée reactor. It is a versatile spectrometer with a horizontal geometry enabling air/liquid, air/solid and solid/liquid measurements. It is mostly dedicated to soft matter projects but welcomes also studies on thin solid films. It is equipped with a multi-disc chopper providing a tunable δλ/λ resolution, a collimation system with two deviating supermirrors and slits with flexible apertures allowing any given δθ/θ higher than 0.007, a large sample area, and a detector (either single tube or positioning sensitive detector). The accessible Qmin is 0.0026 $ Å^{−1} $ and the accessible Qmax is 0.36 $ Å^{−1} $ in air/solid or solid/liquid geometries and 0.21 $ Å^{−1} $ in air/liquid geometry. The spectrometer has been upgraded during the last decade in order to reach a gain in flux of ∼ 50 from its original version. In air/solid geometry, we reach Rmin = 2×$ 10^{−5} $ in 1 hour, Rmin = 8×$ 10^{−7} $ in 4 hours and Rmin = 4×$ 10^{−7} $ in 12 hours on a sample of ∼ 20 $ cm^{2} $ with EROS II, while it was difficult to go below $ 10^{−5} $ with the initial version dating from 1992. In air/liquid or solid/liquid geometries, we show that the main limitation to reach very low reflectivities is the incoherent scattering of the liquid solvent ($ D_{2} $O) . For such geometries, we obtain Rmin of 5×$ 10^{−6} $ in 4 hours after incoherent background subtraction. The rejuvenated EROS allows thus measurements of 15-20 samples of a few tens $ cm^{2} $ in a span of 4 days, which corresponds to the minimum time allocated to external users for a given experiment. Silicon Wafer (dpeaa)DE-He213 Neutron Beam (dpeaa)DE-He213 Incoherent Scattering (dpeaa)DE-He213 Deuterated Water (dpeaa)DE-He213 Cold Source (dpeaa)DE-He213 Ott, F. aut Gibert, F. aut Menelle, A. aut Enthalten in The European physical journal Berlin : Springer, 2011 126(2011), 11 vom: 11. Nov. (DE-627)647653958 (DE-600)2595693-0 2190-5444 nnns volume:126 year:2011 number:11 day:11 month:11 https://dx.doi.org/10.1140/epjp/i2011-11109-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 126 2011 11 11 11 |
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10.1140/epjp/i2011-11109-6 doi (DE-627)SPR031448054 (SPR)i2011-11109-6-e DE-627 ger DE-627 rakwb eng Cousin, F. verfasserin aut EROS II: A boosted time-of-flight reflectometer for multi-purposes applications at the Laboratoire Léon Brillouin 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Società Italiana di Fisica and Springer 2011 Abstract We present the characteristics and performances of the time-of-flight EROS reflectometer, located at Laboratoire Léon Brillouin (Saclay, France), which operates on the high-flux Orphée reactor. It is a versatile spectrometer with a horizontal geometry enabling air/liquid, air/solid and solid/liquid measurements. It is mostly dedicated to soft matter projects but welcomes also studies on thin solid films. It is equipped with a multi-disc chopper providing a tunable δλ/λ resolution, a collimation system with two deviating supermirrors and slits with flexible apertures allowing any given δθ/θ higher than 0.007, a large sample area, and a detector (either single tube or positioning sensitive detector). The accessible Qmin is 0.0026 $ Å^{−1} $ and the accessible Qmax is 0.36 $ Å^{−1} $ in air/solid or solid/liquid geometries and 0.21 $ Å^{−1} $ in air/liquid geometry. The spectrometer has been upgraded during the last decade in order to reach a gain in flux of ∼ 50 from its original version. In air/solid geometry, we reach Rmin = 2×$ 10^{−5} $ in 1 hour, Rmin = 8×$ 10^{−7} $ in 4 hours and Rmin = 4×$ 10^{−7} $ in 12 hours on a sample of ∼ 20 $ cm^{2} $ with EROS II, while it was difficult to go below $ 10^{−5} $ with the initial version dating from 1992. In air/liquid or solid/liquid geometries, we show that the main limitation to reach very low reflectivities is the incoherent scattering of the liquid solvent ($ D_{2} $O) . For such geometries, we obtain Rmin of 5×$ 10^{−6} $ in 4 hours after incoherent background subtraction. The rejuvenated EROS allows thus measurements of 15-20 samples of a few tens $ cm^{2} $ in a span of 4 days, which corresponds to the minimum time allocated to external users for a given experiment. Silicon Wafer (dpeaa)DE-He213 Neutron Beam (dpeaa)DE-He213 Incoherent Scattering (dpeaa)DE-He213 Deuterated Water (dpeaa)DE-He213 Cold Source (dpeaa)DE-He213 Ott, F. aut Gibert, F. aut Menelle, A. aut Enthalten in The European physical journal Berlin : Springer, 2011 126(2011), 11 vom: 11. Nov. (DE-627)647653958 (DE-600)2595693-0 2190-5444 nnns volume:126 year:2011 number:11 day:11 month:11 https://dx.doi.org/10.1140/epjp/i2011-11109-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 126 2011 11 11 11 |
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10.1140/epjp/i2011-11109-6 doi (DE-627)SPR031448054 (SPR)i2011-11109-6-e DE-627 ger DE-627 rakwb eng Cousin, F. verfasserin aut EROS II: A boosted time-of-flight reflectometer for multi-purposes applications at the Laboratoire Léon Brillouin 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Società Italiana di Fisica and Springer 2011 Abstract We present the characteristics and performances of the time-of-flight EROS reflectometer, located at Laboratoire Léon Brillouin (Saclay, France), which operates on the high-flux Orphée reactor. It is a versatile spectrometer with a horizontal geometry enabling air/liquid, air/solid and solid/liquid measurements. It is mostly dedicated to soft matter projects but welcomes also studies on thin solid films. It is equipped with a multi-disc chopper providing a tunable δλ/λ resolution, a collimation system with two deviating supermirrors and slits with flexible apertures allowing any given δθ/θ higher than 0.007, a large sample area, and a detector (either single tube or positioning sensitive detector). The accessible Qmin is 0.0026 $ Å^{−1} $ and the accessible Qmax is 0.36 $ Å^{−1} $ in air/solid or solid/liquid geometries and 0.21 $ Å^{−1} $ in air/liquid geometry. The spectrometer has been upgraded during the last decade in order to reach a gain in flux of ∼ 50 from its original version. In air/solid geometry, we reach Rmin = 2×$ 10^{−5} $ in 1 hour, Rmin = 8×$ 10^{−7} $ in 4 hours and Rmin = 4×$ 10^{−7} $ in 12 hours on a sample of ∼ 20 $ cm^{2} $ with EROS II, while it was difficult to go below $ 10^{−5} $ with the initial version dating from 1992. In air/liquid or solid/liquid geometries, we show that the main limitation to reach very low reflectivities is the incoherent scattering of the liquid solvent ($ D_{2} $O) . For such geometries, we obtain Rmin of 5×$ 10^{−6} $ in 4 hours after incoherent background subtraction. The rejuvenated EROS allows thus measurements of 15-20 samples of a few tens $ cm^{2} $ in a span of 4 days, which corresponds to the minimum time allocated to external users for a given experiment. Silicon Wafer (dpeaa)DE-He213 Neutron Beam (dpeaa)DE-He213 Incoherent Scattering (dpeaa)DE-He213 Deuterated Water (dpeaa)DE-He213 Cold Source (dpeaa)DE-He213 Ott, F. aut Gibert, F. aut Menelle, A. aut Enthalten in The European physical journal Berlin : Springer, 2011 126(2011), 11 vom: 11. Nov. (DE-627)647653958 (DE-600)2595693-0 2190-5444 nnns volume:126 year:2011 number:11 day:11 month:11 https://dx.doi.org/10.1140/epjp/i2011-11109-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 126 2011 11 11 11 |
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10.1140/epjp/i2011-11109-6 doi (DE-627)SPR031448054 (SPR)i2011-11109-6-e DE-627 ger DE-627 rakwb eng Cousin, F. verfasserin aut EROS II: A boosted time-of-flight reflectometer for multi-purposes applications at the Laboratoire Léon Brillouin 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Società Italiana di Fisica and Springer 2011 Abstract We present the characteristics and performances of the time-of-flight EROS reflectometer, located at Laboratoire Léon Brillouin (Saclay, France), which operates on the high-flux Orphée reactor. It is a versatile spectrometer with a horizontal geometry enabling air/liquid, air/solid and solid/liquid measurements. It is mostly dedicated to soft matter projects but welcomes also studies on thin solid films. It is equipped with a multi-disc chopper providing a tunable δλ/λ resolution, a collimation system with two deviating supermirrors and slits with flexible apertures allowing any given δθ/θ higher than 0.007, a large sample area, and a detector (either single tube or positioning sensitive detector). The accessible Qmin is 0.0026 $ Å^{−1} $ and the accessible Qmax is 0.36 $ Å^{−1} $ in air/solid or solid/liquid geometries and 0.21 $ Å^{−1} $ in air/liquid geometry. The spectrometer has been upgraded during the last decade in order to reach a gain in flux of ∼ 50 from its original version. In air/solid geometry, we reach Rmin = 2×$ 10^{−5} $ in 1 hour, Rmin = 8×$ 10^{−7} $ in 4 hours and Rmin = 4×$ 10^{−7} $ in 12 hours on a sample of ∼ 20 $ cm^{2} $ with EROS II, while it was difficult to go below $ 10^{−5} $ with the initial version dating from 1992. In air/liquid or solid/liquid geometries, we show that the main limitation to reach very low reflectivities is the incoherent scattering of the liquid solvent ($ D_{2} $O) . For such geometries, we obtain Rmin of 5×$ 10^{−6} $ in 4 hours after incoherent background subtraction. The rejuvenated EROS allows thus measurements of 15-20 samples of a few tens $ cm^{2} $ in a span of 4 days, which corresponds to the minimum time allocated to external users for a given experiment. Silicon Wafer (dpeaa)DE-He213 Neutron Beam (dpeaa)DE-He213 Incoherent Scattering (dpeaa)DE-He213 Deuterated Water (dpeaa)DE-He213 Cold Source (dpeaa)DE-He213 Ott, F. aut Gibert, F. aut Menelle, A. aut Enthalten in The European physical journal Berlin : Springer, 2011 126(2011), 11 vom: 11. Nov. (DE-627)647653958 (DE-600)2595693-0 2190-5444 nnns volume:126 year:2011 number:11 day:11 month:11 https://dx.doi.org/10.1140/epjp/i2011-11109-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 126 2011 11 11 11 |
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It is a versatile spectrometer with a horizontal geometry enabling air/liquid, air/solid and solid/liquid measurements. It is mostly dedicated to soft matter projects but welcomes also studies on thin solid films. It is equipped with a multi-disc chopper providing a tunable δλ/λ resolution, a collimation system with two deviating supermirrors and slits with flexible apertures allowing any given δθ/θ higher than 0.007, a large sample area, and a detector (either single tube or positioning sensitive detector). The accessible Qmin is 0.0026 $ Å^{−1} $ and the accessible Qmax is 0.36 $ Å^{−1} $ in air/solid or solid/liquid geometries and 0.21 $ Å^{−1} $ in air/liquid geometry. The spectrometer has been upgraded during the last decade in order to reach a gain in flux of ∼ 50 from its original version. In air/solid geometry, we reach Rmin = 2×$ 10^{−5} $ in 1 hour, Rmin = 8×$ 10^{−7} $ in 4 hours and Rmin = 4×$ 10^{−7} $ in 12 hours on a sample of ∼ 20 $ cm^{2} $ with EROS II, while it was difficult to go below $ 10^{−5} $ with the initial version dating from 1992. In air/liquid or solid/liquid geometries, we show that the main limitation to reach very low reflectivities is the incoherent scattering of the liquid solvent ($ D_{2} $O) . For such geometries, we obtain Rmin of 5×$ 10^{−6} $ in 4 hours after incoherent background subtraction. 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Cousin, F. |
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EROS II: A boosted time-of-flight reflectometer for multi-purposes applications at the Laboratoire Léon Brillouin Silicon Wafer (dpeaa)DE-He213 Neutron Beam (dpeaa)DE-He213 Incoherent Scattering (dpeaa)DE-He213 Deuterated Water (dpeaa)DE-He213 Cold Source (dpeaa)DE-He213 |
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eros ii: a boosted time-of-flight reflectometer for multi-purposes applications at the laboratoire léon brillouin |
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EROS II: A boosted time-of-flight reflectometer for multi-purposes applications at the Laboratoire Léon Brillouin |
| abstract |
Abstract We present the characteristics and performances of the time-of-flight EROS reflectometer, located at Laboratoire Léon Brillouin (Saclay, France), which operates on the high-flux Orphée reactor. It is a versatile spectrometer with a horizontal geometry enabling air/liquid, air/solid and solid/liquid measurements. It is mostly dedicated to soft matter projects but welcomes also studies on thin solid films. It is equipped with a multi-disc chopper providing a tunable δλ/λ resolution, a collimation system with two deviating supermirrors and slits with flexible apertures allowing any given δθ/θ higher than 0.007, a large sample area, and a detector (either single tube or positioning sensitive detector). The accessible Qmin is 0.0026 $ Å^{−1} $ and the accessible Qmax is 0.36 $ Å^{−1} $ in air/solid or solid/liquid geometries and 0.21 $ Å^{−1} $ in air/liquid geometry. The spectrometer has been upgraded during the last decade in order to reach a gain in flux of ∼ 50 from its original version. In air/solid geometry, we reach Rmin = 2×$ 10^{−5} $ in 1 hour, Rmin = 8×$ 10^{−7} $ in 4 hours and Rmin = 4×$ 10^{−7} $ in 12 hours on a sample of ∼ 20 $ cm^{2} $ with EROS II, while it was difficult to go below $ 10^{−5} $ with the initial version dating from 1992. In air/liquid or solid/liquid geometries, we show that the main limitation to reach very low reflectivities is the incoherent scattering of the liquid solvent ($ D_{2} $O) . For such geometries, we obtain Rmin of 5×$ 10^{−6} $ in 4 hours after incoherent background subtraction. The rejuvenated EROS allows thus measurements of 15-20 samples of a few tens $ cm^{2} $ in a span of 4 days, which corresponds to the minimum time allocated to external users for a given experiment. © Società Italiana di Fisica and Springer 2011 |
| abstractGer |
Abstract We present the characteristics and performances of the time-of-flight EROS reflectometer, located at Laboratoire Léon Brillouin (Saclay, France), which operates on the high-flux Orphée reactor. It is a versatile spectrometer with a horizontal geometry enabling air/liquid, air/solid and solid/liquid measurements. It is mostly dedicated to soft matter projects but welcomes also studies on thin solid films. It is equipped with a multi-disc chopper providing a tunable δλ/λ resolution, a collimation system with two deviating supermirrors and slits with flexible apertures allowing any given δθ/θ higher than 0.007, a large sample area, and a detector (either single tube or positioning sensitive detector). The accessible Qmin is 0.0026 $ Å^{−1} $ and the accessible Qmax is 0.36 $ Å^{−1} $ in air/solid or solid/liquid geometries and 0.21 $ Å^{−1} $ in air/liquid geometry. The spectrometer has been upgraded during the last decade in order to reach a gain in flux of ∼ 50 from its original version. In air/solid geometry, we reach Rmin = 2×$ 10^{−5} $ in 1 hour, Rmin = 8×$ 10^{−7} $ in 4 hours and Rmin = 4×$ 10^{−7} $ in 12 hours on a sample of ∼ 20 $ cm^{2} $ with EROS II, while it was difficult to go below $ 10^{−5} $ with the initial version dating from 1992. In air/liquid or solid/liquid geometries, we show that the main limitation to reach very low reflectivities is the incoherent scattering of the liquid solvent ($ D_{2} $O) . For such geometries, we obtain Rmin of 5×$ 10^{−6} $ in 4 hours after incoherent background subtraction. The rejuvenated EROS allows thus measurements of 15-20 samples of a few tens $ cm^{2} $ in a span of 4 days, which corresponds to the minimum time allocated to external users for a given experiment. © Società Italiana di Fisica and Springer 2011 |
| abstract_unstemmed |
Abstract We present the characteristics and performances of the time-of-flight EROS reflectometer, located at Laboratoire Léon Brillouin (Saclay, France), which operates on the high-flux Orphée reactor. It is a versatile spectrometer with a horizontal geometry enabling air/liquid, air/solid and solid/liquid measurements. It is mostly dedicated to soft matter projects but welcomes also studies on thin solid films. It is equipped with a multi-disc chopper providing a tunable δλ/λ resolution, a collimation system with two deviating supermirrors and slits with flexible apertures allowing any given δθ/θ higher than 0.007, a large sample area, and a detector (either single tube or positioning sensitive detector). The accessible Qmin is 0.0026 $ Å^{−1} $ and the accessible Qmax is 0.36 $ Å^{−1} $ in air/solid or solid/liquid geometries and 0.21 $ Å^{−1} $ in air/liquid geometry. The spectrometer has been upgraded during the last decade in order to reach a gain in flux of ∼ 50 from its original version. In air/solid geometry, we reach Rmin = 2×$ 10^{−5} $ in 1 hour, Rmin = 8×$ 10^{−7} $ in 4 hours and Rmin = 4×$ 10^{−7} $ in 12 hours on a sample of ∼ 20 $ cm^{2} $ with EROS II, while it was difficult to go below $ 10^{−5} $ with the initial version dating from 1992. In air/liquid or solid/liquid geometries, we show that the main limitation to reach very low reflectivities is the incoherent scattering of the liquid solvent ($ D_{2} $O) . For such geometries, we obtain Rmin of 5×$ 10^{−6} $ in 4 hours after incoherent background subtraction. The rejuvenated EROS allows thus measurements of 15-20 samples of a few tens $ cm^{2} $ in a span of 4 days, which corresponds to the minimum time allocated to external users for a given experiment. © Società Italiana di Fisica and Springer 2011 |
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| container_issue |
11 |
| title_short |
EROS II: A boosted time-of-flight reflectometer for multi-purposes applications at the Laboratoire Léon Brillouin |
| url |
https://dx.doi.org/10.1140/epjp/i2011-11109-6 |
| remote_bool |
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| author2 |
Ott, F. Gibert, F. Menelle, A. |
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2024-07-03T23:46:17.197Z |
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| score |
7.401636 |