P. Bele et al., MAGNETICALLY MODULATED MICROWAVE-ABSORPTION (MMMA) MEASUREMENTS AT LOW MAGNETIC-FIELDS ON THE FERROMAGNETIC STATE OF [TDAE]C-60, Advanced materials, 9(11), 1997, pp. 907
The ferromagnetic state and reported superconductivity of [TDAE]C-60 (
where TDAE is tetrakis(dimethylamino)ethylene, see Figure) are investi
gated by magnetically modulated microwave absorption (MMMA). The resul
ts are compared with those reported using alternative physical measure
ment techniques, and a hypothesis proposed to explain the observed beh
avior. No evidence for superconductivity is found.