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Prediction of a new efficient permanent magnet SmCoNiFe3

Autor: Söderlind, P., Landa, A., Locht, I. L. M., Åberg, D., Kvashnin, Y., Pereiro, M., Däne, M., Turchi, P. E. A., Antropov, V. P., Eriksson, O.

We propose a new efficient permanent magnet, SmCoNiFe3, that is a breakthrough development of the well-known SmCo5 prototype. More modern neodymium magnets of the Nd-Fe-B type have an advantage over SmCo5 because of their greater maximum energy produ

Externí odkaz: http://arxiv.org/abs/1708.08957

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Thermodynamics of the SmCo5 compound doped with Fe and Ni: an ab initio study

Autor: Landa, A., Söderlind, P., Parker, D., Åberg, D., Lordi, V., Perron, A., Turchi, P. E. A., Chouhan, R. K., Paudyal, D., Lograsso, T. A.

SmCo5 permanent magnets exhibit enormous uniaxial magnetocrystalline anisotropy energy and have a high Curie temperature. However, a low energy product presents a significant drawback in the performance of SmCo5 permanent magnets. In order to increas

Externí odkaz: http://arxiv.org/abs/1707.09447

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Quasi-particle spectra, absorption spectra, and excitonic properties of sodium iodide and strontium iodide from many-body perturbation theory

Autor: Erhart, P., Schleife, A., Sadigh, B., Åberg, D.

Publikováno v: Physical Review B 89, 075132 (2014)

We investigate the basic quantum mechanical processes behind non-proportional response of scintillators to incident radiation responsible for reduced resolution. For this purpose, we conduct a comparative first principles study of quasiparticle spect

Externí odkaz: http://arxiv.org/abs/1311.3502

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