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Wills Group
Magnetism and magnetic materials
Contact
: Department of Chemistry, UCL
Home
Windows Software
SARAh – Magnetic symmetry calculations and magnetic structure analysis
SARAh Installation Instructions
SARAh – Introduction and ‘how to’ videos
SARAh with GSAS
SARAh with FullProf
VaList – Bond Valence Calculations and Listing
k search – finding the propagation vector with SARAh
Downloads
Web software- NEW Apps!
SARAh – web Representational Analysis
SARAh – web Refine – FullProf
SARAh – Simple couplings using Kronecker powers (alpha version)
SARAh – Invariant Polynomial Analysis (alpha version)
SARAh – Kovalev’s tables (IRs of simple group, IRs of double group, ICRs of antiunitary group)
Crystallographic point groups – subgroups
Video lectures- NEW!
1. Introduction to representational analysis
2. Linking representation theory to Landau, order parameters, and stationary vector groups
3. Web SARAh introduction (a website walkthrough)
4. Using web SARAh Refine with FullProf (a walk through)
Papers/Documents
1956. Notes on group theory by G.F. Koster
2000. A new protocol for the determination of magnetic structures using simulated annealing and representational analysis (SARAh)
2001. Magnetic structures and their determination using group theory
2009 Brillouin Zone Indexing – k search
2011. Exploring basis vectors and the different types of magnetic structure
2017. Historical introduction to magnetic structures – Pt 1.
Early quantum theory, neutron powder diffraction
and the coloured space groups
2019. A walk through of the maths behind Bertaut’s method of representational analysis of magnetic structures
Other Fermat-E sites
Careers from Chemistry
2009. Brillouin Zone Indexing – k search
2009 BrillouinZoneIndexing