Effects of intermixing and oxygen vacancies on a two-dimensional electron gas at the polar 
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Lama, Bhubnesh; Tsymbal, Evgeny Y.; Paudel, Tula R.

doi:10.1103/physrevmaterials.7.026201

Cited by 2 publications

(1 citation statement)

References 57 publications

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“…Substrates other than STO were also considered in forming interfacial electron gases. The emergence of 2DEG was observed or predicted at the interface of KTaO 3 (KTO) with various oxide materials such as LaVO 3 [15], LaCrO 3 [16], TbScO3 [17], LaTiO 3 [18], and LaAlO 3 [19]. The formation of the 2DEG works rather differently in these heterostructures compared to the prototypical LAO/STO heterostructure.…”

Section: Introductionmentioning

confidence: 99%

Spin-Polarized 2D Electron Gas at the EuTiO3/EuO Interface

Gjerde,

Hammouri,

Jishi

2023

Crystals

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Perovskite oxide heterostructures have provided opportunities for new technologies and materials with novel properties.In particular, researchers have been interested in the magnetism and two-dimensional electron gases that form at the interface of many of these heterostructures. Often, these properties are due to polar discontinuities, but here we use first-principles calculations to examine a heterostructure whose elements, EuO and EuTiO3, are both non-polar, yet are still conductive due to oxygen vacancies. Furthermore, the free electrons at the interface of this heterostructure are predicted to be spin-polarized, opening up possibilities for future research and devices.

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Section: Introductionmentioning

confidence: 99%

Spin-Polarized 2D Electron Gas at the EuTiO3/EuO Interface

Gjerde,

Hammouri,

Jishi

2023

Crystals

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Interface Structures on Mechanically Polished Surface of Spinel Ferrite and Its Effect on the Magnetic Domains

Xu,

Zhang,

Fan

et al. 2024

Materials

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Soft magnetic spinel ferrites are indispensable parts in devices such as transformers and inductors. Mechanical surface processing is a necessary step to realize certain shapes and surface roughness in producing the ferrite but also has a negative effect on the magnetic properties of the ferrite. In the past few years, a new surface layer was always believed to form during the mechanical surface processing, but the change of atomic structure on the surface and its effect on the magnetic structure remain unclear. Herein, an interface structure consisting of a rock-salt sublayer, distorted NiFe2O4 sublayer, and pristine NiFe2O4 was found to form on mechanically polished single-crystal NiFe2O4 ferrite. Such an interface structure is produced by phase transformation and lattice distortion induced by the mechanical processing. The magnetic domain observation and electrical property measurement also indicate that the magnetic and electrical anisotropy are both enhanced by the interface structure. This work provides deep insight into the surface structure evolution of spinel ferrite by mechanical processing.

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Effects of intermixing and oxygen vacancies on a two-dimensional electron gas at the polar (TbScO3/KTaO3)(

Cited by 2 publications

References 57 publications

Spin-Polarized 2D Electron Gas at the EuTiO3/EuO Interface

Spin-Polarized 2D Electron Gas at the EuTiO3/EuO Interface

Interface Structures on Mechanically Polished Surface of Spinel Ferrite and Its Effect on the Magnetic Domains

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