High frequency ESR studies of kagome antiferromagnets

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High frequency ESR studies of kagome antiferromagnets

Mitsudo, S. / Goda, G. / Fujita, T. / Toda, M. / Idehara, T. / Kikuchi, H. / Fujii, Y. / Chiba, M.

Ba/sub 2/Sn/sub 2/Ga/sub 3/ZnCr/sub 7/O/sub 22/ is pyrochlore slab antiferromagnets and exhibits a strong frustration. The pyrochlore slab lattice consists of two 2D-kagome layers which sandwiches a triangular layer in between. In order to investigate the magnetic behaviors, high frequency ESR measurements of the diluted Ba/sub 2/Sn/sub 2/Ga/sub 10-7p/ZnCr/sub 7p/O/sub 22/ have been performed in the millimeter wave region (120 GHz and 228 GHz) at the temperatures from 4.2 K to 200 K. The concentration dependences of Cr/sup 3+/ magnetic ions were observed from p=0.01 p=1.

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Title :

High frequency ESR studies of kagome antiferromagnets

Contributors:

Mitsudo, S. (author) / Goda, G. (author) / Fujita, T. (author) / Toda, M. (author) / Idehara, T. (author) / Kikuchi, H. (author) / Fujii, Y. (author) / Chiba, M. (author)

Published in:

Infrared and Millimeter Waves, Conference Digest of the 2004 Joint 29th International Conference on 2004 and 12th International Conference on Terahertz Electronics, 2004. ; 133-134

Publication date :

2004-01-01

Size :

152600 byte

ISBN :

0-7803-8490-3

DOI :

https://doi.org/10.1109/ICIMW.2004.1421989

Type of media :

Conference paper