Background-filtered transmission diffraction with internal intensity calibration
It is inferred that by frequency filtering the logarithm of the time‐of‐flight spectrum of neutrons that have passed through a powdered isotropic crystalline sample a diffractogram may be obtained with many desirable properties for achieving high‐quality refinement of structural parameters. Apart fr...
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| Veröffentlicht in: | Journal of applied crystallography 1989-04, Vol.22 (2), p.79-83 |
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| container_end_page | 83 |
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| container_issue | 2 |
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| container_title | Journal of applied crystallography |
| container_volume | 22 |
| creator | HIISMAKI, P |
| description | It is inferred that by frequency filtering the logarithm of the time‐of‐flight spectrum of neutrons that have passed through a powdered isotropic crystalline sample a diffractogram may be obtained with many desirable properties for achieving high‐quality refinement of structural parameters. Apart from multiple scattering no wavelength‐dependent effects or corrections need to be introduced, which implies automatic internal calibration of the Bragg intensities. For utilization of the inherent high resolution of the transmission geometry, a Fourier chopper in the pulsed beam from an intensity‐optimized quasi‐steady‐state moderator is suggested. Results of model calculations are presented. |
| doi_str_mv | 10.1107/S0021889888010015 |
| format | Article |
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Apart from multiple scattering no wavelength‐dependent effects or corrections need to be introduced, which implies automatic internal calibration of the Bragg intensities. For utilization of the inherent high resolution of the transmission geometry, a Fourier chopper in the pulsed beam from an intensity‐optimized quasi‐steady‐state moderator is suggested. Results of model calculations are presented.</description><identifier>ISSN: 1600-5767</identifier><identifier>ISSN: 0021-8898</identifier><identifier>EISSN: 1600-5767</identifier><identifier>DOI: 10.1107/S0021889888010015</identifier><identifier>CODEN: JACGAR</identifier><language>eng</language><publisher>5 Abbey Square, Chester, Cheshire CH1 2HU, England: International Union of Crystallography</publisher><subject>Condensed matter: structure, mechanical and thermal properties ; Exact sciences and technology ; Neutron diffraction and scattering ; Physics ; Structure of solids and liquids; crystallography</subject><ispartof>Journal of applied crystallography, 1989-04, Vol.22 (2), p.79-83</ispartof><rights>1990 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2918-997d2d980cacd6982e98b423543de99f3b0313b7aee7974c0607f62b715ad8293</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,3987,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=6655714$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>HIISMAKI, P</creatorcontrib><title>Background-filtered transmission diffraction with internal intensity calibration</title><title>Journal of applied crystallography</title><addtitle>J. Appl. Cryst</addtitle><description>It is inferred that by frequency filtering the logarithm of the time‐of‐flight spectrum of neutrons that have passed through a powdered isotropic crystalline sample a diffractogram may be obtained with many desirable properties for achieving high‐quality refinement of structural parameters. Apart from multiple scattering no wavelength‐dependent effects or corrections need to be introduced, which implies automatic internal calibration of the Bragg intensities. For utilization of the inherent high resolution of the transmission geometry, a Fourier chopper in the pulsed beam from an intensity‐optimized quasi‐steady‐state moderator is suggested. Results of model calculations are presented.</description><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Exact sciences and technology</subject><subject>Neutron diffraction and scattering</subject><subject>Physics</subject><subject>Structure of solids and liquids; crystallography</subject><issn>1600-5767</issn><issn>0021-8898</issn><issn>1600-5767</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1989</creationdate><recordtype>article</recordtype><recordid>eNqFkMtOwzAQRS0EEqXwAeyyYBvwI_FjCRUUSguIgmBnObYDpsGt7KDSv8clqEJiwWru4pzRzAXgEMFjhCA7mUKIEeeCcw4RhKjcAj1EIcxLRtn2r7wL9mJ8SwRlGPfA3ZnSs5cw__Amr13T2mBN1gbl47uL0c19ZlxdB6XbdV669jVzPlFeNd_BR9euMq0aVwW1ZvbBTq2aaA9-Zh88Xpw_DC7z8e3wanA6zjUWiOdCMION4FArbajg2ApeFZiUBTFWiJpUkCBSMWUtE6zQkEJWU1wxVCrDsSB9gLq9OsxjDLaWi-DeVVhJBOW6EvmnkuQcdc5CxXRyestrFzcipWXJUJEw3mFL19jV_3vlaHA_vE6N8qTmnepiaz83qgozSRlhpXy6GcpnPpqMJ9OR5OQLkXmA7A</recordid><startdate>198904</startdate><enddate>198904</enddate><creator>HIISMAKI, P</creator><general>International Union of Crystallography</general><general>Blackwell</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>198904</creationdate><title>Background-filtered transmission diffraction with internal intensity calibration</title><author>HIISMAKI, P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2918-997d2d980cacd6982e98b423543de99f3b0313b7aee7974c0607f62b715ad8293</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1989</creationdate><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Exact sciences and technology</topic><topic>Neutron diffraction and scattering</topic><topic>Physics</topic><topic>Structure of solids and liquids; crystallography</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>HIISMAKI, P</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Journal of applied crystallography</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HIISMAKI, P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Background-filtered transmission diffraction with internal intensity calibration</atitle><jtitle>Journal of applied crystallography</jtitle><addtitle>J. Appl. Cryst</addtitle><date>1989-04</date><risdate>1989</risdate><volume>22</volume><issue>2</issue><spage>79</spage><epage>83</epage><pages>79-83</pages><issn>1600-5767</issn><issn>0021-8898</issn><eissn>1600-5767</eissn><coden>JACGAR</coden><abstract>It is inferred that by frequency filtering the logarithm of the time‐of‐flight spectrum of neutrons that have passed through a powdered isotropic crystalline sample a diffractogram may be obtained with many desirable properties for achieving high‐quality refinement of structural parameters. Apart from multiple scattering no wavelength‐dependent effects or corrections need to be introduced, which implies automatic internal calibration of the Bragg intensities. For utilization of the inherent high resolution of the transmission geometry, a Fourier chopper in the pulsed beam from an intensity‐optimized quasi‐steady‐state moderator is suggested. Results of model calculations are presented.</abstract><cop>5 Abbey Square, Chester, Cheshire CH1 2HU, England</cop><pub>International Union of Crystallography</pub><doi>10.1107/S0021889888010015</doi><tpages>5</tpages></addata></record> |
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| identifier | ISSN: 1600-5767 |
| ispartof | Journal of applied crystallography, 1989-04, Vol.22 (2), p.79-83 |
| issn | 1600-5767 0021-8898 1600-5767 |
| language | eng |
| recordid | cdi_crossref_primary_10_1107_S0021889888010015 |
| source | Crystallography Journals Online |
| subjects | Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Neutron diffraction and scattering Physics Structure of solids and liquids crystallography |
| title | Background-filtered transmission diffraction with internal intensity calibration |
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