ESR Modes in CsCuCl3 in Pulsed Magnetic Fields
S. Schmidt, B. Wolf, M. Sieling, S. Zvyagin, I. Kouroudis, B. L\"uthi, (Physikalisches Institut, Universitaet Frankfurt)
TL;DR
This paper reports high-field ESR measurements on CsCuCl3, revealing strong resonances up to 50T and discussing these in the context of a model for antiferromagnetic modes in a frustrated triangular spin system.
Contribution
It provides the first high-field ESR data up to 50T on CsCuCl3 and models the observed resonances in a frustrated triangular antiferromagnet.
Findings
Strong ESR resonances observed up to 50T
Resonances close to the ferromagnetic transition at ~30T
Discussion of results within a frustrated triangular spin model
Abstract
We present ESR results for 35-134GHz in the antiferromagnet CsCuCl3 at T=1.5K. The external field is applied perpendicular to the hexagonal c-axis. With our pulsed field facility we reach 50T an unprecedented field for low temperature ESR. We observe strong resonances up to fields close to the ferromagnetic region of ~30T. These results are discussed in a model for antiferromagnetic modes in a two-dimensional frustrated triangular spin system.
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