82 citations · 432 across the 12 of their papers we have counts for
12 papers
Evolution of electron spin resonance through a metallic quantum critical phase diagram
Marc Scheffler, Jörg Sichelschmidt, Conrad Clauss +6
In the heavy-fermion metal YbRh2Si2, quantum criticality at a suppressed antiferromagnetic order is governed by the interplay of local magnetic moments and itinerant conduction ele…
Electronic Scattering Effects in Europium-Based Iron Pnictides
S. Zapf, D. Neubauer, K. W. Post +8
In a comprehensive study, we investigate the electronic scattering effects in EuFe(AsP) by using Fourier-transform infrared spectroscopy. In spite of the…
Observing electron spin resonance between 0.1 and 67 GHz at temperatures between 50 mK and 300 K using broadband metallic coplanar waveguides
Yvonne Wiemann, Julian Simmendinger, Conrad Clauss +6
We describe a fully broadband approach for electron spin resonance (ESR) experiments where it is possible to not only tune the magnetic field but also the frequency continuously ov…
Optimization of Coplanar Waveguide Resonators for ESR Studies on Metals
Conrad Clauss, Martin Dressel, Marc Scheffler
We present simulations and analytic calculations of the electromagnetic microwave fields of coplanar waveguide (CPW) resonators in the vicinity of highly conducting metallic sample…
Persistent detwinning of iron pnictides by small magnetic fields
S. Zapf, C. Stingl, K. W. Post +11
Our comprehensive study on EuFeAs reveals a dramatic reduction of magnetic detwinning fields compared to other AFeAs (A = Ba, Sr, Ca) iron pnictides by indirect mag…
Microwave spectroscopy on heavy-fermion systems: probing the dynamics of charges and magnetic moments
Marc Scheffler, Katrin Schlegel, Conrad Clauss +8
Investigating solids with light gives direct access to charge dynamics, electronic and magnetic excitations. For heavy fermions, one has to adjust the frequency of the probing ligh…