4 papers
Combinatorial Survey of Structural Phase Distribution and Magnetism in Fe-Ge-Te Composition-spread Thin Film Libraries
Chih-Yu Lee, Takahiro Yamazaki, Peng Yan +5
Recently, magnetic 2-dimensional (2D) van der Waals (vdW) materials have garnered tremendous attention. The vdW ferromagnet Fe5Ge1Te2 has a Curie temperature Tc of ~ 270 K, which i…
Inverse-design of two-dimensional magnonic crystals via topology optimization with frequency-domain micromagnetics
Ryunosuke Nagaoka, Takahiro Yamazaki, Chiharu Mitsumata +2
Magnonic crystals (MCs) are emerging spintronic metamaterials capable of manipulating transmission properties of magnons, the quanta of spin waves. Due to the complex relationship…
Persistent Homology-Based Indicator of Orientational Ordering in Two-Dimensional Quasi-Particle Systems Applied to Skyrmion Lattices
Michiki Taniwaki, Thomas Brian Winkler, Jan Rothörl +4
Two-dimensional (2D) particle systems, such as magnetic skyrmions, exhibit topological phase transitions between unique 2D phases. However, a simple and computationally efficient m…
Autonomous materials search using machine learning and ab initio calculations for L10-FePt-based quaternary alloys
Yuma Iwasaki, Daisuke Ogawa, Masato Kotsugi +1
The efficient exploration of expansive material spaces remains a significant challenge in materials science. To address this issue, autonomous material search methods that combine…