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.
Magnetic and structural transitions in the iron-chalcogenide high-Tc superconductor: K0.8Fe1.76Se2.00
Rent:
Rent this article for
USD
10.1063/1.3673848
/content/aip/journal/jap/111/7/10.1063/1.3673848
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/7/10.1063/1.3673848
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Mössbauer spectrum at 6 K of K0.80Fe1.76Se2.00. The spectrum was fitted using a full Hamiltonian code. The blue sextet is the magnetic component, the red doublet is an impurity and the solid green line through the data is the sum of the two components. Lines 2 and 5 of the magnetic sextet are marked.

Image of FIG. 2.
FIG. 2.

(Color online) The hyperfine field (B hf) of the antiferromagnetic subspectrum of K0.80Fe1.76Se2.00. B hf(T) was fitted using a T 3/2 law (dotted red line), and a T 3/2 law with a SEG (solid green line) up to 200 K. The SEG was found to be 9 ± 1 meV. The inset shows B hf(T) close to the superconducting transition (T sc), marked as the dashed magenta line.

Image of FIG. 3.
FIG. 3.

(Color online) The integrated spectral area, ζ, fitted using a Debye-Waller model giving θD  = 195 ± 2 K. The insets show ζ: (top right) near the superconducting transition, the magenta line, and (bottom left) the magnetic transition, the blue line.

Image of FIG. 4.
FIG. 4.

(Color online) Mössbauer spectra of K0.80Fe1.76Se2.00. The fits to the spectra, made using a full Hamiltonian solution, are shown as solid red lines.

Image of FIG. 5.
FIG. 5.

(Color online) of K0.80Fe1.76Se2.00 determined from the Mössbauer spectra shown in Fig. 4. The lower inset shows the spectral linewidth (Γ) while the upper inset shows the fractional areas of the magnetic (blue □) and paramagnetic (green ○) components. The Néel temperature, TN  = 532 ± 2 K, is marked by the dashed blue line.

Loading

Article metrics loading...

/content/aip/journal/jap/111/7/10.1063/1.3673848
2012-02-29
2014-04-24
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetic and structural transitions in the iron-chalcogenide high-Tc superconductor: K0.8Fe1.76Se2.00
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/7/10.1063/1.3673848
10.1063/1.3673848
SEARCH_EXPAND_ITEM