Critical role of post-annealing in Ta/Co60Fe20B20/Ta thin film heterostructures: Structural, static, and dynamic properties

NK Gupta, S Husain, V Barwal, S Hait, L Pandey… - Journal of Magnetism …, 2022 - Elsevier
Abstract The Co 60 Fe 20 B 20 (CoFeB) alloy has been recognized as a potential material
system in spintronic devices. The post-annealing treatment of the CoFeB based …

Influence of annealing temperature and capping layer on the structural, magnetic and transport properties of ion beam sputtered Co2FeAl thin films on Si (1 0 0)

S Hait, V Barwal, NK Gupta, L Pandey, V Mishra… - Applied Surface …, 2022 - Elsevier
The impact of different annealing temperatures (T a) and presence of capping layer on the
structural, magnetic and transport properties of sputtered Co 2 FeAl (CFA (10 nm)) Heusler …

Spin Pumping through Different Spin–Orbit Coupling Interfaces in β-W/Interlayer/Co2FeAl Heterostructures

S Hait, S Husain, H Bangar, L Pandey… - … Applied Materials & …, 2022 - ACS Publications
Spin pumping has been considered a powerful tool to manipulate the spin current in a
ferromagnetic/nonmagnetic (FM/NM) system, where the NM part exhibits large spin–orbit …

Disordered spin gapless semiconducting CoFeCrGa Heusler alloy thin films on Si (100): experiment and theory

V Mishra, A Kumar, L Pandey, NK Gupta, S Hait… - Nanoscale, 2023 - pubs.rsc.org
Spin gapless semiconductors (SGSs) are an intriguing class of quantum materials that
bridge the gap between half-metallic ferromagnets and semiconductors. The presence of a …

High spin mixing conductance and spin transparency in ion-beam sputtered Ta/Co60Fe20B20 bilayers on Si (100)

S Hait, S Husain, V Barwal, L Pandey, N Sharma… - Surfaces and …, 2022 - Elsevier
Ta/CoFeB heterostructure has been considered as a promising structure for spin torque-
based memory applications. Here, a systematic investigation of the magnetic (static and …

Enhancing atomic ordering, magnetic and transport properties of Mn2VGa Heusler alloy thin films toward negatively spin-polarized charge injection

ZH Li, H Suto, V Barwal, K Masuda, TT Sasaki… - Acta Materialia, 2024 - Elsevier
Magnetic materials with negative spin polarization have attracted attention for their potential
to increase the design freedom of spintronic devices. This study investigated the effects of off …

Impact of Argon working pressure on the magnetic properties of sputtered Co60Fe20B20 thin films

NK Gupta, V Barwal, S Hait, L Pandey, V Mishra… - Thin Solid Films, 2022 - Elsevier
We present thorough investigation of the influence of Argon gas working pressure (PA r) on
Co 60 Fe 20 B 20 (CFB) thin films deposited on Si. The longitudinal magneto-optic Kerr …

Spin-to-charge conversion efficiency in the topological insulator and heavy metals W and Pt stacked with the ferromagnetic Weyl semimetal

N Sharma, N Kumar, L Pandey, N Kumar Gupta, S Hait… - Physical Review B, 2024 - APS
The Weyl semimetal Co 2 MnGa (CMG) has recently attracted significant attention in the field
of condensed matter physics because of its unique topological features along with the …

Investigation and tailoring the strengths of positive and negative exchange bias in the ion-beam sputtered Ni81Fe19/Ir7Mn93 bilayers by tuning the grain size of the …

SK Kedia, N Kumar, N Sharma, L Pandey… - Journal of Magnetism …, 2023 - Elsevier
We report the investigation of large and tunable exchange bias in a series of top-pinned Ni
81 Fe 19/Ir 7 Mn 93 polycrystalline bilayer samples fabricated at room temperature in the …

Impact of ferromagnetic layer thickness on the spin pumping in Co60Fe20B20/Ta bilayer thin films

S Hait, S Husain, NK Gupta, N Behera, A Kumar… - Journal of Materials …, 2021 - Springer
We report the tuneable spin angular momentum transfer (spin pumping) from Co 60 Fe 20 B
20 (CFB) amorphous alloy into the Ta heavy metal nanolayers. All the films are grown on Si …