Conversion method of powder inelastic scattering data for one-dimensional systems

K. Tomiyasu; M. Fujita; A. I. Kolesnikov; R. I. Bewley; M. J. Bull; S. M. Bennington

doi:10.1063/1.3089566

Conversion method of powder inelastic scattering data for one-dimensional systems

K. Tomiyasu, M. Fujita, A. I. Kolesnikov, R. I. Bewley, M. J. Bull, S. M. Bennington

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16 Scopus citations

Abstract

Extracting dispersive magnetic excitations from inelastic neutron scattering data usually requires large single crystals. We present a simple yet powerful method for extracting such information from polycrystalline or powder data for one-dimensional systems. We demonstrate the effectiveness of this data treatment by extracting dispersion curves from powder inelastic neutron scattering data on the one-dimensional spin-half systems: CuGeO₃ and Rb₂Cu₂Mo₃O₁₂. For many such materials, it is not possible to grow sufficiently large crystals and this method offers a quick and efficient way to study their magnetic excitations.

Original language	English
Article number	092502
Journal	Applied Physics Letters
Volume	94
Issue number	9
DOIs	https://doi.org/10.1063/1.3089566
State	Published - 2009
Externally published	Yes

Funding

We thank Professors K. Yamada and K. Ohoyama for fruitful discussion, Dr. C. D. Frost for providing us the single-crystal data, Drs. R. Stevens, A. Llobet, and F. Trouw for preliminary neutron experiments on Pharos at LANSCE, and Mrs. L. Jirik for the supports of neutron experiments at IPNS. This work was supported mainly by Grants in Aid from the Ministry of Education, Culture, Sports, Science and Technology of Japan for Specially Promoted Research (Grant No. 17001001) and partially by those for Young Scientists (A) (Grant No. 17684016) and Scientific Research (B) (Grant No. 19340090), the Japan-UK Collaboration Program on Neutron Scattering, World Premier International (WPI) Research Initiative, and the collaboration on neutron science between High Energy Accelerator Research Organization (KEK) and Argonne National Laboratory (ANL). The experiments at ANL were supported by the Office of Basic Energy Sciences, Division of Materials Sciences, U.S. Department of Energy, under Contract No. DE-AC02-06CH11357, and work at ORNL/SNS was managed by UT-Battelle, LLC, for the U.S. Department of Energy under contract DE-AC05-00OR22725.

Funders	Funder number
Division of Materials Sciences
U.S. Department of Energy	DE-AC05-00OR22725, DE-AC02-06CH11357
Basic Energy Sciences
Argonne National Laboratory
Ministry of Education, Culture, Sports, Science and Technology	17001001, 19340090, 17684016
High Energy Accelerator Research Organization

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abstract = "Extracting dispersive magnetic excitations from inelastic neutron scattering data usually requires large single crystals. We present a simple yet powerful method for extracting such information from polycrystalline or powder data for one-dimensional systems. We demonstrate the effectiveness of this data treatment by extracting dispersion curves from powder inelastic neutron scattering data on the one-dimensional spin-half systems: CuGeO3 and Rb2Cu2Mo3O12. For many such materials, it is not possible to grow sufficiently large crystals and this method offers a quick and efficient way to study their magnetic excitations.",

author = "K. Tomiyasu and M. Fujita and Kolesnikov, {A. I.} and Bewley, {R. I.} and Bull, {M. J.} and Bennington, {S. M.}",

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AB - Extracting dispersive magnetic excitations from inelastic neutron scattering data usually requires large single crystals. We present a simple yet powerful method for extracting such information from polycrystalline or powder data for one-dimensional systems. We demonstrate the effectiveness of this data treatment by extracting dispersion curves from powder inelastic neutron scattering data on the one-dimensional spin-half systems: CuGeO3 and Rb2Cu2Mo3O12. For many such materials, it is not possible to grow sufficiently large crystals and this method offers a quick and efficient way to study their magnetic excitations.

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Conversion method of powder inelastic scattering data for one-dimensional systems

Abstract

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