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Showing 1–4 of 4 results

Advanced filters: Author: Samik DuttaGupta Clear advanced filters

Formation and current-induced motion of synthetic antiferromagnetic skyrmion bubbles

Realizing stable, room-temperature magnetic skyrmions that can be moved along current is challenging. Here, the authors observe skyrmion bubbles in a synthetic antiferromagnetic coupled multilayer at room temperature and demonstrate its current-induced motion free from the skyrmion Hall effect.

Takaaki Dohi
Samik DuttaGupta
Hideo Ohno
ResearchOpen Access14 Nov 2019
Nature Communications

Volume: 10, P: 1-6
Magnetization switching by spin–orbit torque in an antiferromagnet–ferromagnet bilayer system

Antiferromagnet/ferromagnet bilayers are shown to exhibit large enough spin–orbit torque to switch the magnetization of the ferromagnetic layer without the application of external magnetic fields.

Shunsuke Fukami
Chaoliang Zhang
Hideo Ohno
Research15 Feb 2016
Nature Materials

Volume: 15, P: 535-541
Spin-orbit torque switching of an antiferromagnetic metallic heterostructure

Antiferromagnets (AFMs) are prospective for future spintronic devices, owing to their speed and insensitivity to perturbations. Using a combination of electronic and magnetic dichroism measurements, the authors demonstrate reversible current-induced switching of the Néel vector in AFM PtMn.

Samik DuttaGupta
A. Kurenkov
H. Ohno
ResearchOpen Access11 Nov 2020
Nature Communications

Volume: 11, P: 1-8
Unconventional Hall effect and its variation with Co-doping in van der Waals Fe₃GeTe₂

Rajeswari Roy Chowdhury
Samik DuttaGupta
Ravi Prakash Singh
ResearchOpen Access08 Jul 2021
Scientific Reports

Volume: 11, P: 1-10