X-ray photoelectron spectroscopy investigation of Ta/CoFeB/TaOx heterostructures

Syamlal, S K; Kalal, Shailesh; Perumal, Hari Prasanth; Kumar, Dileep; Gupta, Mukul; Sinha, Jaivardhan

doi:10.1016/j.mseb.2021.115367

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Cited by 5 publications

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“…3(d)), the BE peaks at 710.2 eV and 723.6 eV corresponded to Fe 2p 3/2 and Fe 2p 1/2 of Fe 2+ , respectively. 51 The peak at 712.1 eV was ascribed to Fe 2p 3/2 , representing Fe 3+ . 52 All the Fe peaks also shifted towards higher BEs with respect to Co–Co@Ni–Fe core–shell PBA.…”

Section: Resultsmentioning

confidence: 99%

Compositing redox-rich Co–Co@Ni–Fe PBA nanocubes into cauliflower-like conducting polypyrrole as an electrode material in supercapacitors

Mukherjee

Borenstein

et al. 2023

Mater. Chem. Front.

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Section: Resultsmentioning

confidence: 99%

Compositing redox-rich Co–Co@Ni–Fe PBA nanocubes into cauliflower-like conducting polypyrrole as an electrode material in supercapacitors

Mukherjee

Borenstein

et al. 2023

Mater. Chem. Front.

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Magneto‐Ionics in Annealed W/CoFeB/HfO₂ Thin Films

Pachat

Ourdani

Syskaki

et al. 2022

Adv Materials Inter

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The magneto‐ionic modulation of the Dzyaloshinskii–Moriya interaction (DMI) and the perpendicular magnetic anisotropy (PMA), in W/CoFeB/HfO2 stacks annealed at different temperatures and for varying annealing times, are presented in this work. A large modulation of PMA and DMI is observed in the systems annealed at 390 and 350 °C, whereas no response to voltage is observed in the as‐grown samples. A strong DMI is only observed in the samples annealed at 390 °C for 1 h, while PMA is present for all annealing times at temperatures of 390 and 350 °C. Magnetic properties including domain wall velocity improve drastically with increasing the annealing temperature and time, while the magneto‐ionic reversibility is increasingly compromised. The changes in PMA and DMI induced by the gate voltages in the samples annealed at 390 °C are permanent, while partial reversibility is only observed for the samples annealed at 350 °C for short times. This dependence of reversibility on post‐grown annealing has been associated to the influence of crystallization on ion mobility. These results show that a compromise between the enhancement of the magnetic properties and the magneto‐ionic performance could be needed in systems requiring annealing to develop PMA and DMI.

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Effect of Ta capping layer on spin dynamics in Co50Fe50 thin films

Panigrahi

Sahoo

Syamlal

et al. 2022

Solid State Communications

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X-ray photoelectron spectroscopy investigation of Ta/CoFeB/TaOx heterostructures

Cited by 5 publications

References 34 publications

Compositing redox-rich Co–Co@Ni–Fe PBA nanocubes into cauliflower-like conducting polypyrrole as an electrode material in supercapacitors

Compositing redox-rich Co–Co@Ni–Fe PBA nanocubes into cauliflower-like conducting polypyrrole as an electrode material in supercapacitors

Magneto‐Ionics in Annealed W/CoFeB/HfO₂ Thin Films

Effect of Ta capping layer on spin dynamics in Co50Fe50 thin films

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X-ray photoelectron spectroscopy investigation of Ta/CoFeB/TaOx heterostructures

Cited by 5 publications

References 34 publications

Compositing redox-rich Co–Co@Ni–Fe PBA nanocubes into cauliflower-like conducting polypyrrole as an electrode material in supercapacitors

Compositing redox-rich Co–Co@Ni–Fe PBA nanocubes into cauliflower-like conducting polypyrrole as an electrode material in supercapacitors

Magneto‐Ionics in Annealed W/CoFeB/HfO2 Thin Films

Effect of Ta capping layer on spin dynamics in Co50Fe50 thin films

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Product

Resources

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Magneto‐Ionics in Annealed W/CoFeB/HfO₂ Thin Films