Difference between revisions of "Topics:PCG Portfolio"

From PCGSCMP
Jump to: navigation, search
Line 14: Line 14:
 
;Elastic properties
 
;Elastic properties
  
Strain-stress relations
+
* Strain-stress relations
Pressure effects
+
* Pressure effects
  
Bulk properties
+
;Bulk properties
  
Thermal expansion in crystals
+
* Thermal expansion in crystals
Atomic displacement parameters: relationship with phonons and specific heat.
+
* Atomic displacement parameters: relationship with phonons and specific heat.
  
Magnetic structures
+
;Magnetic structures
  
Description of magnetic structures – propagation vectors
+
* Description of magnetic structures – propagation vectors
Magnetic symmetry analysis – irreps and coreps
+
* Magnetic symmetry analysis – irreps and coreps
Spin density determination with polarised neutrons.
+
* Spin density determination with polarised neutrons.
XYZ and spherical polarimetry applied to crystalline materials
+
* XYZ and spherical polarimetry applied to crystalline materials
  
Microstructure analysis
+
; Microstructure analysis
  
Strain effects
+
* Strain effects
Particle size and distribution
+
* Particle size and distribution
Stacking faults
+
* Stacking faults
Texture
+
* Texture
  
Diffraction methods
+
; Diffraction methods
  
CW neutron and x-rays
+
* CW neutron and x-rays
TOF neutrons
+
* TOF neutrons
Energy dispersive x-rays
+
* Energy dispersive x-rays
Diffraction imaging – TEDDI etc.
+
* Diffraction imaging – TEDDI etc.
Time-resolved crystallography
+
* Time-resolved crystallography
Crystallography under high pressure
+
* Crystallography under high pressure
High-magnetic-field crystallography
+
* High-magnetic-field crystallography
SX techniques: Laue, time-sorted Laue…
+
* SX techniques: Laue, time-sorted Laue…
  
Data analysis
+
;Data analysis
  
Refinement of structural parameters –least square – Rietveld
+
* Refinement of structural parameters –least square – Rietveld
Direct-space methods – simulated annealing
+
* Direct-space methods – simulated annealing
Single-crystal techniques – twinning  
+
* Single-crystal techniques – twinning  
  
Instrumentation
+
;Instrumentation
  
Diffraction geometries
+
* Diffraction geometries
Principles of TOF/CW instrument design
+
* Principles of TOF/CW instrument design
Detector technologies of X-rays and neutrons
+
* Detector technologies of X-rays and neutrons

Revision as of 09:53, 2 March 2007

PCG – Educational portfolio

Crystal structures and their transformations
  • Space Group Symmetry
  • Symmetry lowering
  • Structural phase transitions – Landau theory
  • Representation analysis
  • Tensors in crystallography
  • Charge density
  • Modulated crystal structures – Superspace group approach
Elastic properties
  • Strain-stress relations
  • Pressure effects
Bulk properties
  • Thermal expansion in crystals
  • Atomic displacement parameters: relationship with phonons and specific heat.
Magnetic structures
  • Description of magnetic structures – propagation vectors
  • Magnetic symmetry analysis – irreps and coreps
  • Spin density determination with polarised neutrons.
  • XYZ and spherical polarimetry applied to crystalline materials
Microstructure analysis
  • Strain effects
  • Particle size and distribution
  • Stacking faults
  • Texture
Diffraction methods
  • CW neutron and x-rays
  • TOF neutrons
  • Energy dispersive x-rays
  • Diffraction imaging – TEDDI etc.
  • Time-resolved crystallography
  • Crystallography under high pressure
  • High-magnetic-field crystallography
  • SX techniques: Laue, time-sorted Laue…
Data analysis
  • Refinement of structural parameters –least square – Rietveld
  • Direct-space methods – simulated annealing
  • Single-crystal techniques – twinning
Instrumentation
  • Diffraction geometries
  • Principles of TOF/CW instrument design
  • Detector technologies of X-rays and neutrons