Topics:PCG Portfolio - Revision history

Ivana at 09:28, 10 March 2013

2013-03-10T09:28:49Z

MacyWales at 23:17, 21 October 2011

2011-10-21T23:17:15Z

Pgr at 09:53, 2 March 2007

2007-03-02T09:53:59Z

Pgr at 09:51, 2 March 2007

2007-03-02T09:51:42Z

Pgr at 09:50, 2 March 2007

2007-03-02T09:50:57Z

Pgr: New page: ==PCG – Educational portfolio== Crystal structures and their transformations • Space Group Symmetry • Symmetry lowering • Structural phase transitions – Landau theory • Rep...

2007-03-02T09:50:21Z

New page: ==PCG – Educational portfolio== Crystal structures and their transformations • Space Group Symmetry • Symmetry lowering • Structural phase transitions – Landau theory • Rep...

New page

==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

← Older revision		Revision as of 09:28, 10 March 2013
Line 1:		Line 1:
−	==PCG – Educational portfolio==	+	==PCG-SCMP – Educational portfolio==

@@ Line 20: / Line 20: @@
 * Thermal expansion in crystals
-* Atomic displacement parameters: relationship with phonons and specific heat.
+* Atomic displacement parameters: relationship with phonons <span class="plainlinks">[http://www.ghengisfireworks.co.uk/<span style="color:black;font-weight:normal; text-decoration:none!important; background:none!important; text-decoration:none;">fireworks</span>] and specific heat.
 ;Magnetic structures

@@ Line 14: / Line 14: @@
 ;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

@@ Line 4: / Line 4: @@
 ;Crystal structures and their transformations
-•	Space Group Symmetry
+* Space Group Symmetry
-•	Symmetry lowering
+* Symmetry lowering
-•	Structural phase transitions – Landau theory
+* Structural phase transitions – Landau theory
-•	Representation analysis
+* Representation analysis
-•	Tensors in crystallography
+* Tensors in crystallography
-•	Charge density
+* Charge density
-•	Modulated crystal structures – Superspace group approach
+* Modulated crystal structures – Superspace group approach
-Elastic properties
+;Elastic properties
 •	Strain-stress relations

← Older revision		Revision as of 09:50, 2 March 2007
Line 2:		Line 2:


−	Crystal structures and their transformations	+	;Crystal structures and their transformations

	• Space Group Symmetry		• Space Group Symmetry