P. Fornasini
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View article: Bond compressibility and bond Grüneisen parameters of CdTe
Bond compressibility and bond Grüneisen parameters of CdTe Open
Extended x-ray absorption fine structure (EXAFS) at the Cd K edge and diffraction patterns have been measured on CdTe as a function of pressure from 100 kPa (1 bar) to 5 GPa using a cell with nano-polycrystalline diamond anvils and an x-ra…
View article: Nearest-neighbour distribution of distances in crystals from extended X-ray absorption fine structure
Nearest-neighbour distribution of distances in crystals from extended X-ray absorption fine structure Open
Extended X-ray absorption fine structure (EXAFS) is a powerful probe of the distribution of nearest-neighbour distances around selected atomic species. We consider here the effect of vibrational disorder in crystals. The potential of EXAFS…
View article: On EXAFS Debye-Waller factor and recent advances
On EXAFS Debye-Waller factor and recent advances Open
The effects of structural and vibrational disorder on the EXAFS signals are parameterized in terms of the Debye Waller (DW) factor. Here the vibrational contribution is addressed, which for most systems can be singled out by studying the t…
View article: X-ray absorption spectroscopy study of local dynamics and thermal expansion in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi mathvariant="normal">ReO</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math>
X-ray absorption spectroscopy study of local dynamics and thermal expansion in Open
The thermal expansion of polycrystalline ReO3 is studied in vacuum by x-ray diffraction from 300 to 600 K and by extended x-ray absorption fine structure (EXAFS) at the Re L3 edge from 30 to 600 K. A detailed EXAFS analysis is presented up…