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Mattesini, Maurizio ; Belonoshko, A.B. ; Tkal?i?, H. ; Buforn Peiró, Elisa ; Udías Vallina, Agustín ; Ahuja, R. | Nature Publishing Group | 2013-06-28Recent global expansion of seismic data motivated a number of seismological studies of the Earth’s inner core that proposed the existence of increasingly complex structure and anisotropy. In the meantime, new hypotheses of dynamic mechanisms hav[...]texto impreso
This is a critical review of MAX-phase carbides and nitrides from an electronic-structure and chemical bonding perspective. This large group of nanolaminated materials is of great scientific and technological interest and exhibit a combination o[...]texto impreso
Belonoshko, Anatoly B. ; Fu, Jie ; Bryk, Taras ; Simak, Sergei I. ; Mattesini, Maurizio | Nature Publishing Group | 2019-06-06The Earth’s solid inner core is a highly attenuating medium. It consists mainly of iron. The high attenuation of sound wave propagation in the inner core is at odds with the widely accepted paradigm of hexagonal close-packed phase stability unde[...]texto impreso
The magnetism in the inherently nanolaminated ternary MAX-phase Cr_(2)GeC is investigated by element-selective, polarization and temperature-dependent, soft X-ray absorption spectroscopy and X-ray magnetic circular dichroism. The measurements in[...]texto impreso
Deciphering the polymorphic nature and the degree of iron lattice-preferred orientation in the Earth's inner core holds a key to understanding the present status and evolution of the inner core. A multiphase lattice-preferred orientation pattern[...]texto impreso
Tkal?i?, Hrvoje ; Young, Mallory ; Muir, Jack B. ; Davies, D. Rhodri ; Mattesini, Maurizio | Nature Publishing Group | 2015-12-17The core mantle boundary (CMB) separates Earth's liquid iron outer core from the solid but slowly convecting mantle. The detailed structure and dynamics of the mantle within similar to 300 km of this interface remain enigmatic: it is a complex r[...]texto impreso
The anisotropy in the electronic structure of the inherently nanolaminated ternary phase Cr2GeC is investigated by bulk-sensitive and element selective soft x-ray absorption/emission spectroscopy. The angle-resolved absorption/emission measureme[...]
