178 citations · 365 across the 11 of their papers we have counts for
11 papers
Giant memory function based on the magnetic field history of resistive switching under a constant bias voltage
Masaya Kaneda, Shun Tsuruoka, Hikari Shinya +8
Memristors, which are characterized by their unique input-voltage-history-dependent resistance, have garnered significant attention for the exploration of next-generation in-memory…
First-principles Calculation of Magnetocrystalline Anisotropy of Y(Co,Fe,Ni,Cu) Based on Full-potential KKR Green's Function Method
Haruki Okumura, Tetsuya Fukushima, Hisazumi Akai +1
The performance of permanent magnets YCo can be improved by replacing cobalt with other elements, such as iron, copper, and nickel. In order to determine its optimum compositio…
Low-temperature acanthite-like phase of CuS: A first-principles study on electronic and transport properties
Ho Ngoc Nam, Katsuhiro Suzuki, Tien Quang Nguyen +4
The mobility and disorder in the lattice of Cu atoms as liquid-like behavior is an important characteristic affecting the thermoelectric properties of CuS. In this study, usi…
Ferromagnetism and giant magnetoresistance in zinc-blende FeAs monolayers embedded in semiconductor structures
Le Duc Anh, Taiki Hayakawa, Yuji Nakagawa +6
Material structures containing tetrahedral FeAs bonds, depending on their density and geometrical distribution, can host several competing quantum ground states ranging from superc…
First-principles calculation of electronic density of states and Seebeck coefficient in transition-metal-doped Si-Ge alloys
Ryo Yamada, Akira Masago, Tetsuya Fukushima +3
High value and large Seebeck coefficient have been reported in the nanostructured Fe-doped Si-Ge alloys. In this work, the large Seebeck coefficient in Fe-doped Si-Ge systems…
Anomalous Hall conductivity and electronic structures of Si-substituted MnCoAl epitaxial films
K. Arima, F. Kuroda, S. Yamada +3
We study anomalous Hall conductivity () and electronic band structures of Si-substituted MnCoAl (MnCoAlSi). First-principles calculations r…
Spinodal nanodecomposition in magnetically doped semiconductors
T. Dietl, K. Sato, T. Fukushima +7
This review presents the recent progress in computational materials design, experimental realization, and control methods of spinodal nanodecomposition under three- and two-dimensi…
Computational materials design of attractive Fermion system with large negative effective in the hole-doped Delafossite of CuAlO, AgAlO and AuAlO
Akitaka Nakanishi, Hiroshi Katayama-Yoshida A. Nakanishi, T. Fukushima +2
In order to realize super-high-critical temperature superconductors (>1,000 K) based on general design rules for negative effective systems by controll…
Magnetically induced ferroelectricity in Cu2MnSnS4 and Cu2MnSnSe4
Tetsuya Fukushima, Kunihiko Yamauchi, Silvia Picozzi
We investigate magnetically-induced ferroelectricity in Cu2MnSnS4 by means of Landau theory of phase transitions and of ab initio density functional theory. As expected from the La…
Ab initio investigation of Fe/Fe dimerization and ferroelectricity in multiferroic magnetite: role of electronic correlations
Tetsuya Fukushima, Kunihiko Yamauchi, Silvia Picozzi
Based on ab initio density functional theory, we have investigated a microscopic mechanism that leads to Fe/Fe dimerization and consequent ferroelectricity in…
Ferroelectricity in multiferroic magnetite Fe3O4 driven by noncentrosymmetric Fe2+/Fe3+ charge-ordering: First-principles study
Kunihiko Yamauchi, Tetsuya Fukushima, Silvia Picozzi
By means of first-principles simulations, we unambiguously show that improper ferroelectricity in magnetite in the low-temperature insulating phase is driven by charge-ordering. An…