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Time-resolved near-edge x-ray absorption fine structure spectroscopy on photo-induced phase transitions using a tabletop soft-x-ray spectrometer
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10.1063/1.4718936
/content/aip/journal/rsi/83/5/10.1063/1.4718936
http://aip.metastore.ingenta.com/content/aip/journal/rsi/83/5/10.1063/1.4718936
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Experimental setup used for the pump-probe NEXAFS spectroscopy measurements. The sample chamber is equipped with a cryostat cooling system based on liquid nitrogen.

Image of FIG. 2.
FIG. 2.

Long term stability of the plasma intensity (f = 1 Hz). Each data point represents the total integrated intensity of 60 krypton spectra (i.e., 1 min).

Image of FIG. 3.
FIG. 3.

NEXAFS spectrum of Pr0.7Ca0.3MnO3 (PCMO) in the water-window region and the section of the oxygen absorption K edge (inset). As can be seen, each element of PCMO has an absorption edge in the water-window. The nitrogen K edge derives from the Si3N4 sample window.

Image of FIG. 4.
FIG. 4.

Static NEXAFS spectra of the oxygen K edge of non-excited PCMO (blue squares) and excited PCMO (red triangles).

Image of FIG. 5.
FIG. 5.

Relative change in the absorption of the oxygen K edge as a function of the pulse delay at 530 eV due to the photo-induced phase transition. The solid line between time zero and 0.7 ns is an exponential fit of the data points, which yields the temporal resolution of the setup.

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/content/aip/journal/rsi/83/5/10.1063/1.4718936
2012-05-17
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Time-resolved near-edge x-ray absorption fine structure spectroscopy on photo-induced phase transitions using a tabletop soft-x-ray spectrometer
http://aip.metastore.ingenta.com/content/aip/journal/rsi/83/5/10.1063/1.4718936
10.1063/1.4718936
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