Panel 3 : B. Lavina, J. Schilling, V. Struzhkin, J. Crowhurst, J. Tse

kitefleaΠολεοδομικά Έργα

15 Νοε 2013 (πριν από 3 χρόνια και 8 μήνες)

87 εμφανίσεις

Panel 3 : B.
Lavina
, J. Schilling, V.
Struzhkin
, J.
Crowhurst
, J.
Tse

Scientific challenges

Technical challenges



























High pressure chemistry


new synthetic pathway


Non
-
hydrostaticity



strain effects, grain
-
grain interaction


New physical phenomena


electron localization








Nano to bulk


Magnetism and superconductivity


Crystal structure and electronic



Properties





HP small angle scattering


Simultaneous measurement of
multiple properties


Quantitative crystallography


Band structure mapping




Elastic Scattering

challenges

Technical challenges

Mesoporous

Materials


New materials, photonic


c
atalysis …
etc
.


Mechanism(s) for


formation


Non
-
periodic structure, metallic
glass

Single crystal structure


Phase diagram at high P,T


Spin transitions


Effects of inhomogeneous
pressure and temperature
(strain, multi
-
grain)


Localized electronic state


Better electron density map


New probe
-

HP SAXS?


Better spatial resolution


Protein
-
like
diffractometer
?


Smaller beam
-
size (
ca
.

m)


Faster detector (GE, Pilatus …)


Resistor heating?


Nano
-
size diamond cell

l
i

~ 10
2

nm

SAXS

Bonse
-
Hart
Diffractometer

Inelastic scattering

Scientific challenges

Technical challenges


Band structure mapping


Nature of unoccupied states


Spin transition/ fluctuation


Highly correlated systems


Localized electronic state


Insulator
-
metal transition
Superconductivity

Si

Si
-
L

FeS

Fe
-
M

FeBO
3


Medium resolution electronic Raman


Momentum resolved XRS


Resonant inelastic scattering


Orientation dependence


NFS


magnetic phase diagram
(faster), cryostat


Melting simulation


Modelling of spin
multiplets


Modelling of XRS


Structural prediction

Theoretical support