Development of large- m polarizing neutron supermirror fabricated by using ion beam sputtering instrument at KURRI

Authors have succeeded in fabricating m=3.9 Fe/Si and m=5 Fe/Ge polarizing neutron supermirrors with high reflectivity using ion beam sputtering instrument installed at KURRI. The reflectivity of up-spin neutron are above 0.80 and 0.67 for the m=3.9 Fe/Si and m=5 Fe/Ge supermirrors with external mag...

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Published inPhysica. B, Condensed matter Vol. 385; pp. 1187 - 1189
Main Authors Hino, Masahiro, Hayashida, Hirotoshi, Kitaguchi, Masaaki, Kawabata, Yuji, Takeda, Masayasu, Maruyama, Ryuji, Ebisawa, Toru, Torikai, Naoya, Kume, Tetsuya, Tasaki, Seiji
Format Journal Article Conference Proceeding
LanguageEnglish
Published Amsterdam Elsevier B.V 15.11.2006
Elsevier
Subjects
Exact sciences and technology
Ion beam sputter (IBS)
Multilayer
Neutron physics
Nuclear engineering and nuclear power studies
Nuclear physics
Physics
Polarizer
Polarizing neutron supermirror
Polarizing neutron supermirror
Polarizer
Multilayer
75.70.−i
Ion beam sputter (IBS)
Fabrication
Polarizing neutron supermirror; Polarizer; Multilayer; Ion beam sputter (IBS)
Polarized neutron
Ion beam sputtering
75.70.-i
Instrumentation
Neutron reflection
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Summary:Authors have succeeded in fabricating m=3.9 Fe/Si and m=5 Fe/Ge polarizing neutron supermirrors with high reflectivity using ion beam sputtering instrument installed at KURRI. The reflectivity of up-spin neutron are above 0.80 and 0.67 for the m=3.9 Fe/Si and m=5 Fe/Ge supermirrors with external magnetic field of 45 mT, in which number of layers are 1600 and 3750, respectively. The polarization efficiencies are about 0.90.
Bibliography:SourceType-Scholarly Journals-2
ObjectType-Feature-2
ObjectType-Conference Paper-1
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SourceType-Conference Papers & Proceedings-1
ObjectType-Article-3
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2006.05.404