Reference : Local order of the high-pressure metallic phase of liquid selenium: a diffraction study
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Chemistry
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/109691
Local order of the high-pressure metallic phase of liquid selenium: a diffraction study
English
Raty, Jean-Yves mailto [Université de Liège - ULg > Département de physique > Physique de la matière condensée]
Gaspard, Jean-Pierre mailto [Université de Liège - ULg > Département de physique > Département de physique]
Le Bihan, T. [> > > >]
Mezouar, M. [> > > >]
Bionducci, M. [> > > >]
1999
Journal of Physics : Condensed Matter
Institute of Physics
11
50
10243-1024910249
Yes (verified by ORBi)
International
0953-8984
1361-648X
Bristol
United Kingdom
[en] Experimental/ high-pressure effects ; liquid structure ; liquid-liquid transformations ; selenium ; X-ray diffraction/ local order ; high-pressure metallic phase ; liquid selenium ; phase transition ; metallic phase ; x-ray diffraction ; metallic liquid ; large-volume Paris-Edinburgh cell ; coordination number ; 3 to 4.1 GPa ; 20 to 1650 degC ; Se/ A6250 High-pressure and shock-wave effects in solids and liquids A6470J Liquid-liquid transitions A6125M Structure of liquid metals and liquid alloys/ pressure 3.0E+09 to 4.1E+09 Pa ; temperature 2.93E+02 to 1.92E+03 K/ Se/el
[en] Liquid selenium undergoes a phase transition towards a metallic phase when sufficient pressure is applied. We performed an x-ray diffraction experiment at the 1D30 beamline of the ESRF at the wavelength of 0.149 Aring to investigate the local order of the metallic liquid. The diffraction pattern of liquid Se has been recorded with the large-volume Paris-Edinburgh cell between (20degC, 3 GPa) and (1650degC, 4.1 GPa). The local order of the metallic liquid selenium is found to be close to that of liquid tellurium. In particular, the coordination number Z increases with temperature from 2.6 to 3.0
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/109691
10.1088/0953-8984/11/50/316
http://iopscience.iop.org/0953-8984/11/50/316/

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