User profiles for Atsufumi Hirohata

Atsufumi Hirohata

University of York
Verified email at york.ac.uk
Cited by 8480

Antiferromagnetic Films and Their Applications

A Hirohata, DC Lloyd, T Kubota, T Seki… - IEEE …, 2023 - ieeexplore.ieee.org
Spintronic devices are expected to replace the recent nanoelectronic memories and sensors
due to their efficiency in energy consumption and functionality with scalability. To date, …

The role of industrial actors in the circular economy for critical raw materials: a framework with case studies across a range of industries

…, P Christmann, R Eggert, K Habib, A Hirohata… - Mineral Economics, 2023 - Springer
In this article, we explore concrete examples of circularity strategies for critical raw materials
(CRMs) in commercial settings. We propose a company-level framework for systematically …

[BOOK][B] Particulate and Granular Magnetism: Nanoparticles and Thin Films

K O'Grady, GV Fernandez, A Hirohata - 2023 - books.google.com
Aimed primarily at experimental chemists, physicists, electronic engineers and material
scientists interested in particulate and granular magnetic materials, this textbook is the …

Materials Informatics for the Development and Discovery of Future Magnetic Materials

…, M Shirai, A Kovacs, T Schrefl, A Hirohata - IEEE Magnetics …, 2023 - ieeexplore.ieee.org
This letter summarizes the recent development of magnetic materials search using artificial
intelligence (AI) and machine learning (ML) and briefly introduces ML and AI approaches to …

Current-induced crystallisation in a Heusler-alloy-based giant magnetoresistive junction for neuromorphic potentiation

…, R Ramos, E Saitoh, K Takanashi, A Hirohata - Journal of Magnetism …, 2023 - Elsevier
Recent development in neuromorphic computation allows us to achieve low power and highly
efficient calculations better than the conventional von Neumann computation. In order to …

Half-Metallic Bandgap Measurement Using Circularly Polarized Infrared Light

…, T Kubota, JY Kim, K Takanashi, A Hirohata - Spin, 2023 - World Scientific
One avenue toward next-generation spintronic devices is to develop half-metallic ferromagnets
with 100% spin polarization and Curie temperature above room temperature. Half-…

Spin-Gapless Semiconducting Properties in a Polycrystalline CoCrFeAl Heusler-Alloy Film

T Sarfo, A Hirohata - 2023 IEEE International Magnetic …, 2023 - ieeexplore.ieee.org
Heusler alloys have been investigated intensively over the last decades due to their almost
indefinite possibilities to demonstrate a broad range of magnetic properties, including a half-…

Logic operations of magnetic-skyrmion chirality via a branched nanowire

…, K Yamada, A Hirohata - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
We report on AND operation using magnetic-skyrmion chiralities for realizing binary logic
circuit device via micromagntic simulations. The AND operation is confirmed by two skyrmions …

Tunneling Magnetoresistance

A Hirohata - Encyclopedia of Materials: Electronics, 2023 - tohoku.elsevierpure.com
Magnetic tunnel junctions are one of the key elements for spintronic devices, including
magnetic recording, memories, and sensors. The performance of the junctions is defined by a …

Reducing switching current with Gilbert damping constant in nanomagnets with perpendicular anisotropy under Dzyaloshinskii–Moriya interaction

K Yamada, S Takamatsu, H Asakawa… - Applied Physics …, 2023 - iopscience.iop.org
We report current-induced magnetization switching (j sw) with a nanosecond-duration pulse
current (tp) in a perpendicularly magnetized nanomagnet under the Dzyaloshinskii–Moriya …