Crystallographic and magnetic structure of UCu{sub 1.5}Sn{sub 2}

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We report on the crystallographic and magnetic structures of the antiferromagnet UCu{sub 1.5}Sn{sub 2}, as determined by x-ray and neutron powder diffraction. It forms in the tetragonal CaBe{sub 2}Ge{sub 2} structure type, with space group P/4nmm, and we find no site disorder between two different Sn 2c sites, in contrast with a previous report. UCu{sub 1.5}Sn{sub 2} orders antiferromagnetically with a Neel temperature of about 110 K. This is unusually high amongst uranium intermetallics. The uranium moments align along the c-axis in a collinear arrangement but alternating along the c-axis. The low-temperature uranium moment is 1.95{mu}{sub B}.

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Purwanto, A.; Robinson, R. A.; Nakotte, H.; Swainson, I. & Torikachvili, M. September 1995.

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We report on the crystallographic and magnetic structures of the antiferromagnet UCu{sub 1.5}Sn{sub 2}, as determined by x-ray and neutron powder diffraction. It forms in the tetragonal CaBe{sub 2}Ge{sub 2} structure type, with space group P/4nmm, and we find no site disorder between two different Sn 2c sites, in contrast with a previous report. UCu{sub 1.5}Sn{sub 2} orders antiferromagnetically with a Neel temperature of about 110 K. This is unusually high amongst uranium intermetallics. The uranium moments align along the c-axis in a collinear arrangement but alternating along the c-axis. The low-temperature uranium moment is 1.95{mu}{sub B}.

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10 p.

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OSTI as DE95016950

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  • 40. conference on magnetism and magnetic materials, Philadelphia, PA (United States), 6-9 Nov 1995

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  • Other: DE95016950
  • Report No.: LA-UR--95-2723
  • Report No.: CONF-951101--1
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 102508
  • Archival Resource Key: ark:/67531/metadc621704

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  • September 1995

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 29, 2016, 1:46 p.m.

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Purwanto, A.; Robinson, R. A.; Nakotte, H.; Swainson, I. & Torikachvili, M. Crystallographic and magnetic structure of UCu{sub 1.5}Sn{sub 2}, article, September 1995; New Mexico. (digital.library.unt.edu/ark:/67531/metadc621704/: accessed November 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.