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Verhandlungen
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DPG

Dresden 2006 – scientific programme

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MA: Magnetismus

MA 20: Poster: Films(1-36) Transp(37-56) Ex.Bias(57-67) Spindyn(68-80) Micromag(81-95) Particle(96-109) Imag.+Surface(110-113) Spinelectr(114-122) Theory+Micromag(123-131) Spinstr+Aniso(132-142) MagMat(143-156) Meas(157,158) MolMag+Kondo(159-162) Postdead(163-)

MA 20.124: Poster

Tuesday, March 28, 2006, 15:15–19:15, P1

Temperature dependent correlation effects in Gadolinium Nitride — •Anand Sharma and Prof. Dr. Wolfgang Nolting — Institut für Physik, Humboldt Universität zu Berlin, Newtonstr. 15, 12489, Berlin, Germany

The Rare Earth Nitride materials have been under significant theoretical and experimental investigations due to their magnetic properties but in case of Gadolinium Nitride (GdN), there is a wide discrepancy regarding its electronic structure and nature of magnetic ground state. We present temperature dependent correlation effects in GdN based on the combination of many body analysis of the multiband Kondo lattice model and the first principles TB-LMTO bandstructure calculations. Some of the physical properties of interest like the quasi-particle density of states, spectral density and quasi-particle band structure are calculated and discussed.

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