1887
banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
Freezing of low energy excitations in charge density wave glasses
Rent:
Rent this article for
USD
10.1063/1.2840358
/content/aip/journal/jcp/128/9/10.1063/1.2840358
http://aip.metastore.ingenta.com/content/aip/journal/jcp/128/9/10.1063/1.2840358

Figures

Image of FIG. 1.
FIG. 1.

Characteristic relaxation times of the and processes observed in and as the function of the temperature normalized to the glass transition temperature which is for and for . Full lines represent the fits to the activated dependence [Eq. (1)] of for the process, and dashed lines for the process. Dash-dotted line is the fit to the Vogel-Fulcher temperature dependence for the process in .

Image of FIG. 2.
FIG. 2.

The characteristic TSD spectra of and . For , , and , while for , , and . For both systems is far above at . Straight lines represent fits to the activated increase of . The peak in was obtained after the subtraction of the activated fit of the process from experimental data.

Image of FIG. 3.
FIG. 3.

Effective calculated from the TSD spectra in Fig. 2 compared to the directly measured (Refs. 3 and 4) for (a) and (b) at several frequencies between and . For TSD the effective frequency is calculated as with for from Table I. For the process is presented in the main panel and the process in the inset for clarity.

Image of FIG. 4.
FIG. 4.

(a) The TSD current spectra of obtained for various with and . (b) and as the function of extracted from the TSD current spectra in Fig. 4(a). The full line indicates the quadratic dependence and the dashed line provides the extrapolation of to low poling fields.

Image of FIG. 5.
FIG. 5.

(a) The TSD current spectra of obtained for various with and . (b) as the function of for different as extracted from the TSD current spectra of in Fig. 5(a). The line indicates activated dependence with and .

Image of FIG. 6.
FIG. 6.

(a) This TSD current spectra of obtained for partial depolarization with , , and . (b) as the function of in partial polarization as extracted from the TSD current spectra of in Fig. 6(a).

Image of FIG. 7.
FIG. 7.

(a) The TSD current spectra of obtained on sample II for various with and . Straight lines are fits to the activated temperature dependence above and below . (b) and as the function of as extracted from the TSD spectra in Fig. 7(a). Straight lines indicate linear dependence, while the dashed line is the guide to the eye corresponding to the saturation of at high .

Image of FIG. 8.
FIG. 8.

(a) The TSD current spectra of obtained on sample III for various with and . (b) as the function of for different extracted from the TSD spectra in Fig. 8(a). The line indicates the activated dependence with and .

Image of FIG. 9.
FIG. 9.

(a) The TSD current spectra of obtained on sample III for partial depolarization with , , and . (b) as the function of in partial polarization extracted from the TSD spectra in Fig. 9(a).

Tables

Generic image for table
Table I.

Effective dielectric data obtained from the TSD spectrum in Fig. 2 and the corresponding dielectric spectroscopy data.

Loading

Article metrics loading...

/content/aip/journal/jcp/128/9/10.1063/1.2840358
2008-03-03
2014-04-17
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Freezing of low energy excitations in charge density wave glasses
http://aip.metastore.ingenta.com/content/aip/journal/jcp/128/9/10.1063/1.2840358
10.1063/1.2840358
SEARCH_EXPAND_ITEM