Pressure‐induced Fermi resonance between fundamental modes in 7,7,8,8‐tetracyanoquinodimethane
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DOI: 10.1002/jrs.5191
Abstract: Herein, in-situ high pressure Raman spectra of 7,7,8,8-tetracyanoquinodimethane (TCNQ) have been measured up to 10 GPa, and a first-order phase transition was detected at about 2.3 GPa. An anharmonic coupling (Fermi resonance) between fundamental modes was observed.… read more here.
Keywords: resonance fundamental; fermi resonance; resonance; fundamental modes ... See more keywords