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Multi-frequency ESR study of S = 1/2 frustration systems ZnxCu4-x(OH)6Cl2
- Source :
- Journal of Physics: Conference Series. 145:012035
- Publication Year :
- 2009
- Publisher :
- IOP Publishing, 2009.
-
Abstract
- Multi-frequency ESR measurements of S = 1/2 phyrochlore system ZnxCu4-x(OH)6Cl2(x = 0 ~ 0.5) have been performed using the pulse magnetic field up to 16 T and in the frequency region from 30 GHz to 360 GHz. Temperature dependence ESR measurement of the distorted pyrochlore system (x = 0) from 1.76 K to 265 K shows the linewidth broadening below 20 K, and the coexistence of AFMR modes and the peculiar mode is suggested below 6 K. Moreover, the x dependence measurements at 1.8 K suggest the existence of phase boundaries around x = 0.3 and 0.5. Possible model to interpret the result will be presented.
Details
- ISSN :
- 17426596
- Volume :
- 145
- Database :
- OpenAIRE
- Journal :
- Journal of Physics: Conference Series
- Accession number :
- edsair.doi...........6e9963ce183c36dc3270d46f0120a5a1
- Full Text :
- https://doi.org/10.1088/1742-6596/145/1/012035