Giant dielectric response in the one-dimensional charge-ordered semiconductor (NbSe4)3I.
We report on broadband dielectric spectroscopy on the one-dimensional semiconductor (NbSe4)3I. Below the structural phase transition close to 270 K, which is accompanied by complex charge-order processes, we observe colossal dielectric constants with a frequency and temperature dependence very similar to what is observed in charge-density wave systems.
Experimental Physics V, Center for Electronic Correlations and Magnetism, University of Augsburg, D-86135 Augsburg, Germany.
D
D
Staresinić
P
P
Lunkenheimer
J
J
Hemberger
K
K
Biljaković
A
A
Loidl