Abstract
Anomalous microwave absorption has been observed in the organic superconductor TMTSF2AsF6 (TMTSF: tetramethyltetraselenafulvalene) below its metal-nonmetal transition near 12 K. This absorption is unambiguously identified as antiferromagnetic resonance by the excellent agreement between a spin-wave calculation and the pronounced dependence on temperature and magnetic field orientation. This result dramatically confirms earlier indications of magnetic ordering or spin-density waves and, furthermore, indicates that the spin-density-wave amplitude is considerably larger than previous estimates of <1%.
| Original language | English |
|---|---|
| Journal | Physical Review Letters |
| Volume | 49 |
| Issue number | 12 |
| Pages (from-to) | 881-884 |
| ISSN | 0031-9007 |
| DOIs | |
| Publication status | Published - 1982 |
Bibliographical note
Copyright (1982) by the American Physical Society.Fingerprint
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