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TT: Fachverband Tiefe Temperaturen
TT 11: Poster Session: Matter at Low Temperature
TT 11.6: Poster
Monday, March 14, 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).