Motivated by the prospects of increased measurement bandwidth, improved signal to noise ratio and access to the full complex magnetic susceptibility we develop a technique to extract microwave voltages from our high resistance (10 k{\Omega}) (Ga,Mn)As microbars. We drive magnetization precession with microwave frequency current, using a mechanism that relies on the spin orbit interaction. A capacitively coupled lambda/2 microstrip resonator is employed as an impedance matching network, enabling us to measure the microwave voltage generated during magnetisation precession.
@article{arxiv.1209.3643,
title = {Electrical excitation and detection of magnetic dynamics with impedance matching},
author = {D. Fang and T. Skinner and H. Kurebayashi and R. P. Campion and B. L. Gallagher and A. J. Ferguson},
journal= {arXiv preprint arXiv:1209.3643},
year = {2012}
}