A polarised SUSANS facility to study magnetic systems |
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| Authors: | Apoorva G Wagh Veer Chand Rakhecha Markus Strobl Wolfgang Treimer |
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| Institution: | (1) Solid State Physics Division, Bhabha Atomic Research Centre, 400 085 Mumbai, India;(2) Berlin Neutron Scattering Center, Hahn-Meitner-Institut, Glienicker Strasse 100, 14109 Berlin, Germany |
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| Abstract: | Using a right-angled magnetic air prism, we have achieved a separation of ～10 arcsec between ～2 arcsec wide up and down-spin peaks of 5.4 Å neutrons. The polarised neutron option has thus been introduced into the SUSANS instrument. Strongly spindependent SUSANS spectra have been observed over ±1.3 × 10?4 Å?1 range for several magnetic alloy samples. Spatial pair-distribution functions for the up and down-spins as well as the nuclear and magnetic scattering length density distributions in the micrometer domain, have been deduced from these spectra. |
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| Keywords: | Small-angle neutron scattering polarised neutrons magnetic agglomerates |
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