Research paperExperimental GrowthExperimental CharacterizationEngineering of a Layered Ferromagnet via Graphitization: An Overlooked Polymorph of GdAlSiDmitry V. Averyanov, Ivan S. Sokolov, Alexander N. Taldenkov, Oleg E. Parfenov et al.2025·10.1021/jacs.4c01472·arXiv:2403.03735AbstractLayered magnets are stand-out materials because of their range of functional properties that can be controlled by external stimuli. Graphitization can extend beyond cubic structures and be used to produce layered materials. Here, epitaxial films of GdAlSi are synthesized on silicon, yielding a new layered magnetic polymorph with honeycomb AlSi layers. The layered polymorph is stabilized below a critical thickness of around 20 monolayers, whereas thicker films transform to the tetragonal polymorph. The layered polymorph demonstrates ferromagnetism, and transport measurements reveal negative magnetoresistance and the anomalous Hall effect.Read more
Layered trigonal GdAlSi film grown by MBE on Si(111), capped with amorphous SiOx.2 preparations2 characterizations2 properties1 figureExperimentalGdAlSiStudied MaterialSiSubstrate / DielectricSiOxSubstrate / DielectricExpand
Tetragonal GdAlSi film grown by MBE on Si(001), capped with amorphous SiOx.2 preparations2 characterizations1 property1 figureExperimentalGdAlSiStudied MaterialSiSubstrate / DielectricSiOxSubstrate / DielectricExpand
Research paperExperimental GrowthExperimental CharacterizationEngineering of a Layered Ferromagnet via Graphitization: An Overlooked Polymorph of GdAlSiDmitry V. Averyanov, Ivan S. Sokolov, Alexander N. Taldenkov, Oleg E. Parfenov et al.2025·10.1021/jacs.4c01472·arXiv:2403.03735AbstractLayered magnets are stand-out materials because of their range of functional properties that can be controlled by external stimuli. Graphitization can extend beyond cubic structures and be used to produce layered materials. Here, epitaxial films of GdAlSi are synthesized on silicon, yielding a new layered magnetic polymorph with honeycomb AlSi layers. The layered polymorph is stabilized below a critical thickness of around 20 monolayers, whereas thicker films transform to the tetragonal polymorph. The layered polymorph demonstrates ferromagnetism, and transport measurements reveal negative magnetoresistance and the anomalous Hall effect.Read more
Layered trigonal GdAlSi film grown by MBE on Si(111), capped with amorphous SiOx.2 preparations2 characterizations2 properties1 figureExperimentalGdAlSiStudied MaterialSiSubstrate / DielectricSiOxSubstrate / DielectricExpand
Tetragonal GdAlSi film grown by MBE on Si(001), capped with amorphous SiOx.2 preparations2 characterizations1 property1 figureExperimentalGdAlSiStudied MaterialSiSubstrate / DielectricSiOxSubstrate / DielectricExpand
Research paperExperimental GrowthExperimental CharacterizationEngineering of a Layered Ferromagnet via Graphitization: An Overlooked Polymorph of GdAlSiDmitry V. Averyanov, Ivan S. Sokolov, Alexander N. Taldenkov, Oleg E. Parfenov et al.2025·10.1021/jacs.4c01472·arXiv:2403.03735AbstractLayered magnets are stand-out materials because of their range of functional properties that can be controlled by external stimuli. Graphitization can extend beyond cubic structures and be used to produce layered materials. Here, epitaxial films of GdAlSi are synthesized on silicon, yielding a new layered magnetic polymorph with honeycomb AlSi layers. The layered polymorph is stabilized below a critical thickness of around 20 monolayers, whereas thicker films transform to the tetragonal polymorph. The layered polymorph demonstrates ferromagnetism, and transport measurements reveal negative magnetoresistance and the anomalous Hall effect.Read more
Layered trigonal GdAlSi film grown by MBE on Si(111), capped with amorphous SiOx.2 preparations2 characterizations2 properties1 figureExperimentalGdAlSiStudied MaterialSiSubstrate / DielectricSiOxSubstrate / DielectricExpand
Tetragonal GdAlSi film grown by MBE on Si(001), capped with amorphous SiOx.2 preparations2 characterizations1 property1 figureExperimentalGdAlSiStudied MaterialSiSubstrate / DielectricSiOxSubstrate / DielectricExpand
Research paperExperimental GrowthExperimental CharacterizationEngineering of a Layered Ferromagnet via Graphitization: An Overlooked Polymorph of GdAlSiDmitry V. Averyanov, Ivan S. Sokolov, Alexander N. Taldenkov, Oleg E. Parfenov et al.2025·10.1021/jacs.4c01472·arXiv:2403.03735AbstractLayered magnets are stand-out materials because of their range of functional properties that can be controlled by external stimuli. Graphitization can extend beyond cubic structures and be used to produce layered materials. Here, epitaxial films of GdAlSi are synthesized on silicon, yielding a new layered magnetic polymorph with honeycomb AlSi layers. The layered polymorph is stabilized below a critical thickness of around 20 monolayers, whereas thicker films transform to the tetragonal polymorph. The layered polymorph demonstrates ferromagnetism, and transport measurements reveal negative magnetoresistance and the anomalous Hall effect.Read more
Layered trigonal GdAlSi film grown by MBE on Si(111), capped with amorphous SiOx.2 preparations2 characterizations2 properties1 figureExperimentalGdAlSiStudied MaterialSiSubstrate / DielectricSiOxSubstrate / DielectricExpand
Tetragonal GdAlSi film grown by MBE on Si(001), capped with amorphous SiOx.2 preparations2 characterizations1 property1 figureExperimentalGdAlSiStudied MaterialSiSubstrate / DielectricSiOxSubstrate / DielectricExpand