Effect of Underlying Bi<sub>2</sub>Se<sub>3</sub>Surface on Magnetic Properties of Ni Films

Nasir, Alviu Rey; Yoo, Taehee; Bac, Seul Ki; Lee, Hakjoon; Lee, Sangyeop; Choi, Sang Yong; Lee, Sanghoon; Liu, Xinyu; Dobrowolska, M.; Furdyna, J. K.

doi:10.1109/tmag.2017.2729500

Cited by 2 publications

(2 citation statements)

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“…Further analysis of X‐ray magnetic circular dichroism spectra (XMCD) signals revealed that the total magnetization results from a complex interplay of weak perpendicular magnetic anisotropy (PMA) of metallic FeSe, in‐plane magnetic anisotropy (IMA) of insulating Ni:Bi 2 Se 3 and magnetic proximity on Bi 2 Se 3 . This demonstrates that care must be taken in attributing magnetic signals to proximity effect in such heterostructures, [ 151,152 ] and every new type of heteostructures prepared by a new technique requires direct chemical scrutiny to eliminate the possibility of these type of artifacts.…”

Section: Recent Results In Topological Insulator (Ti) – Magnetic Materials (Mm) Heterostructuresmentioning

confidence: 99%

Recent Progress in Proximity Coupling of Magnetism to Topological Insulators

et al. 2021

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Inducing long‐range magnetic order in 3D topological insulators can gap the Dirac‐like metallic surface states, leading to exotic new phases such as the quantum anomalous Hall effect or the axion insulator state. These magnetic topological phases can host robust, dissipationless charge and spin currents or unique magnetoelectric behavior, which can be exploited in low‐energy electronics and spintronics applications. Although several different strategies have been successfully implemented to realize these states, to date these phenomena have been confined to temperatures below a few Kelvin. This review focuses on one strategy: inducing magnetic order in topological insulators by proximity of magnetic materials, which has the capability for room temperature operation, unlocking the potential of magnetic topological phases for applications. The unique advantages of this strategy, the important physical mechanisms facilitating magnetic proximity effect, and the recent progress to achieve, understand, and harness proximity‐coupled magnetic order in topological insulators are discussed. Some emerging new phenomena and applications enabled by proximity coupling of magnetism and topological materials, such as skyrmions and the topological Hall effect, are also highlighted, and the authors conclude with an outlook on remaining challenges and opportunities in the field.

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Section: Recent Results In Topological Insulator (Ti) – Magnetic Materials (Mm) Heterostructuresmentioning

confidence: 99%

Recent Progress in Proximity Coupling of Magnetism to Topological Insulators

et al. 2021

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show abstract

“…Further analysis of X-ray magnetic circular dichroism spectra (XMCD) signals revealed that the total magnetization results from a complex interplay of weak perpendicular magnetic anisotropy (PMA) of metallic FeSe, in-plane magnetic anisotropy (IMA) of insulating Ni:Bi 2 Se 3 and magnetic proximity on Bi 2 Se 3 . This demonstrates that care must be taken in attributing magnetic signals to proximity effect in such heterostructures [138,139], and every new type of heteostructures prepared by a new technique requires direct chemical scrutiny to eliminate the possibility of these type of artifacts.…”

Section: Ferromagnetic Metal (Fmm)mentioning

confidence: 99%

Recent Progress in Proximity Coupling of Magnetism to Topological Insulators

Bhattacharyya,

Akhgar,

Gebert

et al. 2020

Preprint

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Inducing long-range magnetic order in three-dimensional topological insulators can gap the Diraclike metallic surface states, leading to exotic new phases such as the quantum anomalous Hall effect or the axion insulator state. These magnetic topological phases can host robust, dissipationless charge and spin currents or unique magnetoelectric behavior, which can be exploited in low-energy electronics and spintronics applications. Although several different strategies have been successfully implemented to realize these states, to date these phenomena have been confined to temperatures below a few Kelvin. In this review, we focus on one strategy, inducing magnetic order in topological insulators by proximity of magnetic materials, which has the capability for room temperature operation, unlocking the potential of magnetic topological phases for applications. We discuss the unique advantages of this strategy, the important physical mechanisms facilitating magnetic proximity effect, and the recent progress to achieve, understand, and harness proximity-coupled magnetic order in topological insulators. We also highlight some emerging new phenomena and applications enabled by proximity coupling of magnetism and topological materials, such as skyrmions and the topological Hall effect, and we conclude with an outlook on remaining challenges and opportunities in the field.

show abstract

Effect of Underlying Bi₂Se₃Surface on Magnetic Properties of Ni Films

Cited by 2 publications

References 32 publications

Recent Progress in Proximity Coupling of Magnetism to Topological Insulators

Recent Progress in Proximity Coupling of Magnetism to Topological Insulators

Recent Progress in Proximity Coupling of Magnetism to Topological Insulators

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Effect of Underlying Bi2Se3Surface on Magnetic Properties of Ni Films

Cited by 2 publications

References 32 publications

Recent Progress in Proximity Coupling of Magnetism to Topological Insulators

Recent Progress in Proximity Coupling of Magnetism to Topological Insulators

Recent Progress in Proximity Coupling of Magnetism to Topological Insulators

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Effect of Underlying Bi₂Se₃Surface on Magnetic Properties of Ni Films