56 citations · 92 across the 12 of their papers we have counts for
13 papers
Role of Gd 5d-Au 5d hybridization for the magnetic properties of Au-Al-Gd quasicrystal approximants
Goro Nozue, Hidenori Fujiwara, Satoru Hamamoto +18
We have studied the electronic states of magnetic Au-Al-Gd quasicrystal approximants, which exhibit different magnetic ground states at low temperatures, by orbital-selective soft…
Derivation of a non-stoichiometric 1/1 quasicrystal approximant from a stoichiometric 2/1 quasicrystal approximant and maximization of magnetocaloric effect
Farid Labib, Hiroyuki Takakura, Asuka Ishikawa +2
The present research introduces a novel strategy for tuning magnetic properties by overcoming the compositional limitation of stoichiometric intermetallic compounds via extension o…
Anomalous magnetic response in the Au-Al-Gd 1/1 quasicrystal approximant
Takafumi D. Yamamoto, Tasuku Watanae, Farid Labib +3
The magnetic response of the Tsai-type 1/1 Au-Al-Gd approximant crystals (ACs) was quantitatively investigated in terms of the magnetic entropy change () for different magn…
Identification of Two Distinct Antiferromagnetic Phases in the Au-Al-Gd Quasicrystal Approximant
Farid Labib, Takanori Sugimoto, Hiroyuki Takakura +2
The structural and physical properties of two single-grain Au-Al-Gd 1/1 approximant crystals (ACs) with analyzed compositions Au73.67Al12.24Gd14.09 and Au74.67Al11.35Gd13.98 were t…
Universal whirling magnetic orders in non-Heisenberg Tsai-type quasicrystal approximants
Farid Labib, Kazuhiro Nawa, Yusuke Nambu +9
Magnetic orders of non-Heisenberg Tsai-type 1/1 approximant crystals (ACs) in the Au-Ga-Dy system were studied through bulk magnetization, neutron diffraction, and inelastic neutro…
Critical behavior and magnetocaloric effect in Tsai-type 2/1 and 1/1 quasicrystal approximants
Farid Labib, Takafumi D. Yamamoto, Asuka Ishikawa +1
Stable Tsai-type quinary 1/1 and 2/1 approximant crystals (ACs) with chemical compositions Au56.25Al10Cu7In13Tb13.75 and Au55.5Al10Cu7In13Tb14.5, respectively, exhibiting ferromagn…
Unveiling exotic magnetic phase diagram of a non-Heisenberg quasicrystal approximant
Farid Labib, Kazuhiro Nawa, Shintaro Suzuki +7
A magnetic phase diagram of the non-Heisenberg Tsai-type 1/1 Au-Ga-Tb approximant crystal (AC) has been established across a wide electron-per-atom (e/a) range via magnetization an…
Atomic structure and magnetism of the Au-Ga-Ce 1/1 approximant crystal
Shintaro Suzuki, Azusa Motouri, Kazuhiko Deguchi +6
We report a new Au-Ga-Ce 1/1 approximant crystal (AC) which possesses a significantly wide single-phase region of 53 - 70 at% Au and 13.6 - 15.1 at% Ce. Single crystal X-ray struct…
Emergence of long-range magnetic order from spin-glass state by tuning electron density in a stoichiometric Ga-based quasicrystal approximant
Farid Labib, Shintaro Suzuki, Asuka Ishikawa +2
This study reports the first observation of ferromagnetic (FM) order in the non-Au-based approximant crystals (ACs) using a novel approach whereby a total electron-per-atom (e/a) r…
Competition between spin-glass and antiferromagnetic states in Tsai-type 1/1 and 2/1 quasicrystal approximants
Farid Labib, Hiroyuki Takakura, Asuka Ishikawa +1
Systematic research was performed to investigate magnetic properties of the Tsai-type Ga-Pd-RE (RE = Gd, Tb, Dy, and Ho) systems, where both 1/1 and 2/1 quasicrystal approximants (…
Atomic structure of the unique antiferromagnetic 2/1 quasicrystal approximant
Farid Labib, Hiroyuki Takakura, Asuka Ishikawa +1
The atomic structure of the recently discovered antiferromagnetic Ga50Pd35.5Tb14.5 2/1 approximant to quasicrystal with the space group of Pa-3(No. 205), a = 23.1449(0) angstrom wa…
Structural and magnetic properties of the quasicrystal approximant AuGaTb
Kazuhiro Nawa, Maxim Avdeev, Asuka Ishikawa +6
Magnetic properties of the quasicrystal approximant AuGaTb were investigated by the magnetization and the neutron diffraction experiments. The temperature depe…
Whirling spin order in the quasicrystal approximant AuAlTb
Taku J Sato, Asuka Ishikawa, Akira Sakurai +3
Neutron powder diffraction experiment has been performed on the quasicrystal approximant AuAlTb, a body-center-cubic crystal of icosahedral spin clusters. The…