Figure 1

From: Search for Superconductivity in Micrometeorites

Figure 1

(a) Schematic of the Magnetic Field Modulated Microwave Spectroscopy system (MFMMS) (b) Amplitude modulation of the externally applied magnetic field. The modulation frequency is 100 kHz (c) Characteristic MFMM-spectrum of a superconductor (magnesium diboride).