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Found 2 swedish dissertations matching the above criteria.

2. 1. Materials Design from First Principles : stability and magnetism of nanolaminates

   Author : Martin Dahlqvist; Johanna Rosén; Nicola Spaldin; Linköpings universitet; []
   Keywords : ;

   Abstract : In this thesis, first-principles calculations within density functional theory are presented, with a principal goal to investigate the phase stability of so called Mn+1AXn (MAX) phases. MAX phases are a group of nanolaminated materials comprised of a transition metal (M), a group 12-16 element (A), and carbon or nitrogen (X). READ MORE

4. 2. Ab initio Studies on Exchange Interactions in Metals and Correlated Oxides

   Author : Adam Jakobsson; Biplab Sanyal; Marjana Lezaic; Nicola Spaldin; Uppsala universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES;

   Abstract : A report is given on the implementation of a frozen magnon technique in the FLAPW code FLEUR, showing that the procedure reduced computational costs compared with a previously implemented method, while delivering accurate results. Furthermore a generalisation was made of the well known one lattice formula that connects the total energy differences of spin-spirals to the adiabatic magnon excitation energies to multiple lattice systems. READ MORE