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TT: Fachverband Tiefe Temperaturen

TT 11: Poster Session: Matter at Low Temperature

TT 11.6: Poster

Montag, 14. März 2011, 14:00–18:00, P4

Cantilever-based ESR detection at frequencies up to 400 GHz — •D. Kamenskyi, A. Dankert, O. Ignatchik, J. Wosnitza, and S. Zvyagin — Dresden High Magnetic Field Laboratory (HLD), FZ Dresden-Rossendorf, D-01314 Dresden, Germany

We present our recent developments of a new technique to measure electron spin resonance (ESR) spectra by means of cantilever-torque magnetometry. By combining a modulation technique with the use of a capacitive cantilever, we successfully observed ESR spectra in Cu-based weekly anisotropic materials (including CuSO₄·5H₂O and CuCl₂·2H₂O) at frequencies up to 400 GHz and magnetic fields up to 16 T. The experimental details, performance, and limitations of the used ESR setup will be described.

Part of this work has been supported by Deutsche Forschungsgemeinschaft and EuroMagNET (EU contract No. 228043).