Journal article

The observation of magnetic excitations in a single layered and a bilayered brownmillerite.

Abstract:: We describe the results of an inelastic neutron scattering measurement of the magnetic excitations in SrCaGaMnO(5+δ), a quasi-two-dimensional compound whose structure consists of layers of MnO(6) octahedra separated by layers of GaO(4) tetrahedra (the brownmillerite structure), and Ca(2.5)Sr(0.5)Mn(2)GaO(8), a bilayered brownmillerite. In both materials, a band of magnetic scattering appears below the magnetic ordering temperature which can be associated with magnon excitations. Our measurements allow us to provide an estimate for the intraplane exchange constant in both materials, which we find to be 3.4(4) meV for SrCaGaMnO(5+δ) and 2.2(4) meV for Ca(2.5)Sr(0.5)Mn(2)GaO(8).

Publication status:: Published

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APA Style

Blundell, S., Stride, J., Brooks, M., Steer, C., Nair, S., Battle, P., & Rosseinsky, M. (2005). The observation of magnetic excitations in a single layered and a bilayered brownmillerite. Journal of Physics. Condensed Matter : an Institute of Physics Journal, 17(1), 99–104.

MLA Style

Blundell, S, et al. “The Observation of Magnetic Excitations in a Single Layered and a Bilayered Brownmillerite.” Journal of Physics. Condensed Matter : an Institute of Physics Journal, vol. 17, no. 1, 2005, pp. 99–104.

Chicago Style

Blundell, S, J Stride, M Brooks, et al. 2005. “The Observation of Magnetic Excitations in a Single Layered and a Bilayered Brownmillerite.” Journal of Physics. Condensed Matter : an Institute of Physics Journal 17 (1): 99–104.
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Publisher copy:: 10.1088/0953-8984/17/1/010

Authors

+ Blundell, S More by this author

Institution:: University of Oxford
Division:: MPLS
Department:: Physics
Sub department:: Condensed Matter Physics
Role:: Author

+ Stride, J More by this author

Role:: Author

+ Brooks, M More by this author

Role:: Author

+ Steer, C More by this author

Role:: Author

+ Nair, S More by this author

Role:: Author

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Journal:: Journal of physics. Condensed matter : an Institute of Physics journal More from this journal
Volume:: 17
Issue:: 1
Pages:: 99-104
Publication date:: 2005-01-01
DOI:: 10.1088/0953-8984/17/1/010
EISSN:: 1361-648X
ISSN:: 0953-8984

Language:: English
Pubs id:: pubs:20622
UUID:: uuid:2c94f0da-e43f-498f-a03f-00ee3c220d36
Local pid:: pubs:20622
Source identifiers:: 20622
Deposit date:: 2012-12-19
ARK identifier:: ark:/29072/ora_2c94f0dae43f498fa03f00ee3c220d36

Terms of use

Copyright date:: 2005

Licence:: Terms and Conditions of Use for Oxford University Research Archive

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