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Updated: Aug 7, 2026

Radio Frequency Magnetron Sputtering of GdBa2Cu3O7−δ/ La0.67Sr0.33MnO3 Quasi-bilayer Films on SrTiO3 (STO) Single-crystal Substrates
Published on: April 12, 2019
Ferromagnetism below the stoner limit in La-doped SrB6
1DPMC, University of Geneva, 24 Quai Ernest-Ansermet, CH-1211 Geneve, Switzerland.
Abstract:
Spin-polarized band calculations for LaSr7B48 show a weak ferromagnetic state. This is despite a low density of states (DOS) and a low Stoner factor. The reason for the magnetic state is found to be associated with a gain in potential energy in addition to the exchange energy, as a spin splitting is imposed. A DOS with an impuritylike La band is essential for this effect. It makes a correction to the Stoner factor and provides an explanation of the recently observed weak ferromagnetism in doped hexaborides.
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