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Magnetic excitations in La$_{1.5}$Sr$_{0.5}$CoO$_4$

Abstract:: We report magnetization and neutron scattering measurements of the half-doped compound La$_{1.5}$Sr$_{0.5}$CoO$_4$, which exhibits a checkerboard pattern of charge ordering below ~800K. In the antiferromagnetically-ordered phase below \~40K the spins are found to be canted in the ab plane. The spin excitation spectrum includes spin-wave excitations with a maximum energy of 16 meV, and diffuse magnetic modes at energies around 30 meV.

Publication status:: Published

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APA Style

Helme, L., Boothroyd, A., Prabhakaran, D., Wondre, F., Frost, C., & Kulda, J. (2003). Magnetic excitations in La$_{1.5}$Sr$_{0.5}$CoO$_4$. 350(1-3), e273–e275.

MLA Style

Helme, L., et al. Magnetic Excitations in La$_{1.5}$Sr$_{0.5}$CoO$_4$. no. 1-3, 2003, pp. e273–e275.

Chicago Style

Helme, L, A Boothroyd, D Prabhakaran, F Wondre, C Frost, and J Kulda. 2003. “Magnetic Excitations in La$_{1.5}$Sr$_{0.5}$CoO$_4$.” In , 350:e273–e275.
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Publisher copy:: 10.1016/j.physb.2004.03.068

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+ Helme, L More by this author

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+ Boothroyd, A More by this author

Institution:

University of Oxford

Division:

MPLS

Department:

Physics

Sub department:

Condensed Matter Physics

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Author

+ Prabhakaran, D More by this author

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+ Wondre, F More by this author

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+ Frost, C More by this author

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Bibliographic Details

Host title:: Physica B
Volume:: 350
Issue:: 1-3
Pages:: e273-e275
Publication date:: 2003-10-31
DOI:: 10.1016/j.physb.2004.03.068
ISSN:: 0921-4526

Item Description

Keywords:: cond-mat.str-el
Pubs id:: pubs:13626
UUID:: uuid:3dc4c468-7d36-4f3a-b16b-3571823842a5
Local pid:: pubs:13626
Source identifiers:: 13626
Deposit date:: 2012-12-19

Terms of use

Copyright date:: 2003
Notes:: 2 pages, 4 figures. Submitted to the Proceedings of the 3rd European
Conference on Neutron Scattering (Physica B)

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

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