Fabrication and electronic properties of GeNi$_2$O$_4$ epitaxial thin film
作者： Xiaoran Liu , Padraic Shafer , Jak Chakhalian , Elke Arenholz , Fangdi Wen
DOI:
关键词: Thin film 、 Epitaxy 、 Materials science 、 Pyrochlore 、 Antiferromagnetism 、 Magnetism 、 Substrate (electronics) 、 Scattering 、 Condensed matter physics 、 Spinel
摘要: Frustrated magnets can host numerous exotic many-body quantum and topological phenomena. Bulk GeNi$_2$O$_4$ spinel is a frustrated magnet with an unusual two-stage transition to antiferromagnetic state spontaneous breaking of cubic symmetry. Here we report on the first growth (001)-oriented thin films MgAl$_2$O$_4$ substrate. The fabricated were characterized by X-ray scattering advanced photoelectron spectroscopies confirming epitaxial high crystallinity stoichiometric films. $S=1$ pyrochlore sublattice help clarify complex mechanism magnetic ordering in bulk opens door towards studies 2D magnetism ultra-thin limit.
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