Focusing and polarized neutron small-angle scattering spectrometer (SANS-J-II). The challenge of observation over length scales from an ångström to a micrometre
SANS‐J (a pinhole small‐angle neutron scattering spectrometer at research reactor JRR3, Tokai, Japan) was reconstructed as a focusing and polarized neutron small‐angle scattering spectrometer (SANS‐J‐II). By employing focusing lenses of a biconcave MgF2 crystal or of a sextupole permanent magnet and...
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| Veröffentlicht in: | Journal of applied crystallography 2007-04, Vol.40 (s1), p.s474-s479 |
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| container_title | Journal of applied crystallography |
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| creator | Koizumi, Satoshi Iwase, Hiroki Suzuki, Jun-ichi Oku, Takayuki Motokawa, Ryuhei Sasao, Hajime Tanaka, Hirokazu Yamaguchi, Daisuke Shimizu, Hirohiko M. Hashimoto, Takeji |
| description | SANS‐J (a pinhole small‐angle neutron scattering spectrometer at research reactor JRR3, Tokai, Japan) was reconstructed as a focusing and polarized neutron small‐angle scattering spectrometer (SANS‐J‐II). By employing focusing lenses of a biconcave MgF2 crystal or of a sextupole permanent magnet and a high‐resolution photomultiplier, the minimum accessible magnitude of the scattering vector qmin was improved from 3 × 10−3Å−1 to an ultra‐small‐angle scattering (USAS) of 3 × 10−4 Å−1. Compared with a Bonse–Hart double‐crystal method, the advantages of focusing USAS are the efficient detection of anisotropic USAS with an area detector, an improvement in q resolution Δq/q at conventional magnitudes of the scattering vector q ~ 10−3 Å−1 and a gain in neutron flux in the conventional q region of q ~ 10−3 Å−1. |
| doi_str_mv | 10.1107/S0021889807014392 |
| format | Article |
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The challenge of observation over length scales from an ångström to a micrometre</title><source>Wiley Online Library All Journals</source><source>Alma/SFX Local Collection</source><creator>Koizumi, Satoshi ; Iwase, Hiroki ; Suzuki, Jun-ichi ; Oku, Takayuki ; Motokawa, Ryuhei ; Sasao, Hajime ; Tanaka, Hirokazu ; Yamaguchi, Daisuke ; Shimizu, Hirohiko M. ; Hashimoto, Takeji</creator><creatorcontrib>Koizumi, Satoshi ; Iwase, Hiroki ; Suzuki, Jun-ichi ; Oku, Takayuki ; Motokawa, Ryuhei ; Sasao, Hajime ; Tanaka, Hirokazu ; Yamaguchi, Daisuke ; Shimizu, Hirohiko M. ; Hashimoto, Takeji</creatorcontrib><description>SANS‐J (a pinhole small‐angle neutron scattering spectrometer at research reactor JRR3, Tokai, Japan) was reconstructed as a focusing and polarized neutron small‐angle scattering spectrometer (SANS‐J‐II). 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Compared with a Bonse–Hart double‐crystal method, the advantages of focusing USAS are the efficient detection of anisotropic USAS with an area detector, an improvement in q resolution Δq/q at conventional magnitudes of the scattering vector q ~ 10−3 Å−1 and a gain in neutron flux in the conventional q region of q ~ 10−3 Å−1.</description><identifier>ISSN: 1600-5767</identifier><identifier>ISSN: 0021-8898</identifier><identifier>EISSN: 1600-5767</identifier><identifier>DOI: 10.1107/S0021889807014392</identifier><language>eng</language><publisher>5 Abbey Square, Chester, Cheshire CH1 2HU, England: Blackwell Publishing Ltd</publisher><subject>focusing and polarized spectrometer ; focusing lens ; neutron scattering spectrometer ; Scattering ; Scientific apparatus & instruments ; Spectrum analysis ; ultra-small-angle scattering spectrometer</subject><ispartof>Journal of applied crystallography, 2007-04, Vol.40 (s1), p.s474-s479</ispartof><rights>International Union of Crystallography, 2007</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3175-157b5d5f596ce1ad398eb359443647584f2d335e1517d72a1258d9d7ccab9aa83</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1107%2FS0021889807014392$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1107%2FS0021889807014392$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Koizumi, Satoshi</creatorcontrib><creatorcontrib>Iwase, Hiroki</creatorcontrib><creatorcontrib>Suzuki, Jun-ichi</creatorcontrib><creatorcontrib>Oku, Takayuki</creatorcontrib><creatorcontrib>Motokawa, Ryuhei</creatorcontrib><creatorcontrib>Sasao, Hajime</creatorcontrib><creatorcontrib>Tanaka, Hirokazu</creatorcontrib><creatorcontrib>Yamaguchi, Daisuke</creatorcontrib><creatorcontrib>Shimizu, Hirohiko M.</creatorcontrib><creatorcontrib>Hashimoto, Takeji</creatorcontrib><title>Focusing and polarized neutron small-angle scattering spectrometer (SANS-J-II). 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Compared with a Bonse–Hart double‐crystal method, the advantages of focusing USAS are the efficient detection of anisotropic USAS with an area detector, an improvement in q resolution Δq/q at conventional magnitudes of the scattering vector q ~ 10−3 Å−1 and a gain in neutron flux in the conventional q region of q ~ 10−3 Å−1.</description><subject>focusing and polarized spectrometer</subject><subject>focusing lens</subject><subject>neutron scattering spectrometer</subject><subject>Scattering</subject><subject>Scientific apparatus & instruments</subject><subject>Spectrum analysis</subject><subject>ultra-small-angle scattering spectrometer</subject><issn>1600-5767</issn><issn>0021-8898</issn><issn>1600-5767</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqFkcFOGzEQhleolaCUB-BmcWoPSz3r9do-RlGBpCiVCFWPluOdTZburlPbgdLHqdRX6AvwYnUIqipx4OSx5v--GWmy7BjoKQAVH-aUFiClklRQKJkq9rIDqCjNuajEq__q_exNCDeUQiWK4iD7debsJrTDkpihJmvXGd_-xJoMuIneDST0putyMyw7JMGaGNFvw2GNNvV7TH_ybj6azfNpPpm8PyXXKyR2lSAclkhcQ9wioL81sU02d5vi205cbW0dBtIkS5pNHn4PyxD9w5-eREcM6Vv76Pf4NnvdmC7g0dN7mH05-3g9vsgvP59PxqPL3DIQPAcuFrzmDVeVRTA1UxIXjKuyZFUpuCybomaMI3AQtSgMFFzWqhbWmoUyRrLD7GTnXXv3fYMh6hu38UMaqQvKAbgUNIVgF0rbheCx0Wvf9sbfa6B6ewn97BKJkTvmru3w_mVAT8dXo2lFGU9ovkPbEPHHP9T4b7oSTHD9dXaulZrO5p8qpoH9BYUbnUc</recordid><startdate>200704</startdate><enddate>200704</enddate><creator>Koizumi, Satoshi</creator><creator>Iwase, Hiroki</creator><creator>Suzuki, Jun-ichi</creator><creator>Oku, Takayuki</creator><creator>Motokawa, Ryuhei</creator><creator>Sasao, Hajime</creator><creator>Tanaka, Hirokazu</creator><creator>Yamaguchi, Daisuke</creator><creator>Shimizu, Hirohiko M.</creator><creator>Hashimoto, Takeji</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>200704</creationdate><title>Focusing and polarized neutron small-angle scattering spectrometer (SANS-J-II). 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The challenge of observation over length scales from an ångström to a micrometre</atitle><jtitle>Journal of applied crystallography</jtitle><addtitle>J. Appl. Cryst</addtitle><date>2007-04</date><risdate>2007</risdate><volume>40</volume><issue>s1</issue><spage>s474</spage><epage>s479</epage><pages>s474-s479</pages><issn>1600-5767</issn><issn>0021-8898</issn><eissn>1600-5767</eissn><abstract>SANS‐J (a pinhole small‐angle neutron scattering spectrometer at research reactor JRR3, Tokai, Japan) was reconstructed as a focusing and polarized neutron small‐angle scattering spectrometer (SANS‐J‐II). By employing focusing lenses of a biconcave MgF2 crystal or of a sextupole permanent magnet and a high‐resolution photomultiplier, the minimum accessible magnitude of the scattering vector qmin was improved from 3 × 10−3Å−1 to an ultra‐small‐angle scattering (USAS) of 3 × 10−4 Å−1. Compared with a Bonse–Hart double‐crystal method, the advantages of focusing USAS are the efficient detection of anisotropic USAS with an area detector, an improvement in q resolution Δq/q at conventional magnitudes of the scattering vector q ~ 10−3 Å−1 and a gain in neutron flux in the conventional q region of q ~ 10−3 Å−1.</abstract><cop>5 Abbey Square, Chester, Cheshire CH1 2HU, England</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1107/S0021889807014392</doi><oa>free_for_read</oa></addata></record> |
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| subjects | focusing and polarized spectrometer focusing lens neutron scattering spectrometer Scattering Scientific apparatus & instruments Spectrum analysis ultra-small-angle scattering spectrometer |
| title | Focusing and polarized neutron small-angle scattering spectrometer (SANS-J-II). The challenge of observation over length scales from an ångström to a micrometre |
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