scholarly journals Probing local and electronic structure in Warm Dense Matter: single pulse synchrotron x-ray absorption spectroscopy on shocked Fe

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Raffaella Torchio ◽  
Florent Occelli ◽  
Olivier Mathon ◽  
Arnaud Sollier ◽  
Emilien Lescoute ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Absorption Spectroscopy ◽  
Dense Matter ◽  
Single Pulse ◽  
Warm Dense Matter ◽  
X Ray ◽  
X Ray Absorption

scholarly journals Probing warm dense matter using femtosecond X-ray absorption spectroscopy with a laser-produced betatron source

2018 ◽  
Vol 9 (1) ◽  
Author(s):  
B. Mahieu ◽  
N. Jourdain ◽  
K. Ta Phuoc ◽  
F. Dorchies ◽  
J.-P. Goddet ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Dense Matter ◽  
Warm Dense Matter ◽  
X Ray ◽  
X Ray Absorption

Femtosecond soft X-ray absorption spectroscopy of warm dense matter at the PAL-XFEL

2020 ◽  
Vol 27 (4) ◽  
pp. 953-958
Author(s):  
Jong-Won Lee ◽  
Gyeongbo Kang ◽  
Minju Kim ◽  
Minseok Kim ◽  
Sang Han Park ◽  
...  
Keyword(s):  
Laser Pulse ◽  
Absorption Spectroscopy ◽  
Rapid Evolution ◽  
Dense Matter ◽  
Warm Dense Matter ◽  
Electron Hole ◽  
X Ray ◽  
Pulse Energies ◽  
X Ray Absorption ◽  
Absorption Measurements

Free-electron laser pulse-based X-ray absorption spectroscopy measurements on warm dense copper are presented. The incident X-ray pulse energies were measured with a detector assembly consisting of a photocathode membrane and microchannel plates, and the transmitted energies were measured simultaneously with a photodiode detector. The precision of the absorption measurements was evaluated. For a warm dense copper foil irradiated by an intense femtosecond laser pulse, the enhanced X-ray absorption below the L 3-edge, followed by the rapid evolution of highly excited Fermi liquid within a picosecond, were successfully measured. This result demonstrates a unique capability to study femtosecond non-equilibrium electron–hole dynamics in extreme states of matter.

Electronic structure and magnetic states inLa1−xSrxCoO3studied by photoemission and x-ray-absorption spectroscopy

1997 ◽  
Vol 56 (3) ◽  
pp. 1290-1295 ◽  
Author(s):  
T. Saitoh ◽  
T. Mizokawa ◽  
A. Fujimori ◽  
M. Abbate ◽  
Y. Takeda ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Absorption Spectroscopy ◽  
X Ray ◽  
Magnetic States ◽  
X Ray Absorption
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