Two-Dimensional Anisotropy in a Layered Metallic Antiferromagnet RE{sub 1-x}Sr{sub x}MnO{sub 3} with x approx.1/2

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Some RE{sub 1-x}Sr{sub x}MnO{sub 3} (RE=Nd,Pr) systems with x {approximately} 1/2 exhibit an A-type anti-ferromagnetic (AFM) structure instead of the expectged CE-type magnetic structure. This can be understood as being a consequence of the increase of the band width (W). These A-type magnetic systems also show salient features in their crystal structures. We proposed a two dimensional anisotropy of the transport as well as the magnetic properties for the A-type AFM structure and we show that we have, indeed, observed anisotropic spin wave dispersion relations by inelastic neutron measurements.

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16 p.

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Kawano, H.; Yoshizawa, H.; Fernandez-Baca, J.A.; Tomioka, Y. & Kuwahara, H. July 1, 1997.

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Some RE{sub 1-x}Sr{sub x}MnO{sub 3} (RE=Nd,Pr) systems with x {approximately} 1/2 exhibit an A-type anti-ferromagnetic (AFM) structure instead of the expectged CE-type magnetic structure. This can be understood as being a consequence of the increase of the band width (W). These A-type magnetic systems also show salient features in their crystal structures. We proposed a two dimensional anisotropy of the transport as well as the magnetic properties for the A-type AFM structure and we show that we have, indeed, observed anisotropic spin wave dispersion relations by inelastic neutron measurements.

Physical Description

16 p.

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OSTI as DE97008548

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  • International conference on neutron scattering (ICNS), Toronto (Canada), 17-21 Aug 1997; Other Information: DN: Prepared in cooperation with Oak Ridge National Laboratory, Joint Research Center for Atom Technology and the Department of Applied Physics, University of Tokyo. [711 424732]. [540 409900]

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  • Other: DE97008548
  • Report No.: CONF-970814--11
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 356090
  • Archival Resource Key: ark:/67531/metadc674432

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  • July 1, 1997

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  • July 25, 2015, 2:20 a.m.

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  • Nov. 5, 2015, 7:10 p.m.

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Kawano, H.; Yoshizawa, H.; Fernandez-Baca, J.A.; Tomioka, Y. & Kuwahara, H. Two-Dimensional Anisotropy in a Layered Metallic Antiferromagnet RE{sub 1-x}Sr{sub x}MnO{sub 3} with x approx.1/2, article, July 1, 1997; United States. (digital.library.unt.edu/ark:/67531/metadc674432/: accessed October 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.