163 citations · 344 across the 17 of their papers we have counts for
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Effect of Non-stoichiometry on Magnetocaloric Properties of HoB2 Gas-Atomized Particles
Takafumi D. Yamamoto, Takeya Hiroyuki, Pedro Baptista de Castro +4
We fabricate gas-atomized particles by inductively melting electrode rods of HoB2-x (x = -0.3, 0, 0.3, and 1.0) and investigate the effect of non-stoichiometry on the phase fractio…
Magnetocaloric particles of the Laves phase compound HoAl2 prepared by electrode induction melting gas atomization
Takafumi D. Yamamoto, Hiroyuki Takeya, Akiko T. Saito +3
Processing magnetocaloric materials into magnetic refrigerant particles is an essential issue in developing high-performance magnetic refrigerators. Here, we succeed in stably prod…
Gas-atomized particles of giant magnetocaloric compound HoB2 for magnetic hydrogen liquefiers
Takafumi D. Yamamoto, Hiroyuki Takeya, Akiko T. Saito +4
The processing of promising magnetocaloric materials into spheres is one of the important issues on developing high-performance magnetic refrigeration systems. In the present study…
Enhancement of giant refrigerant capacity in HoGdB alloys (0.1 x 0.4)
Pedro Baptista de Castro, Kensei Terashima, Takafumi D Yamamoto +8
Intending to optimize the giant magnetocaloric properties of HoB, we synthesized and magnetocalorically characterized HoGdB(0.1 x 0.4) alloy…
Effect of Dy substitution in the giant magnetocaloric properties of HoB
Pedro Baptista de Castro, Kensei Terashima, Takafumi D. Yamamoto +6
Recently, a massive magnetocaloric effect near the liquefaction temperature of hydrogen has been reported in the ferromagnetic material HoB. Here we investigate the effects o…
Machine Learning Guided Discovery of Gigantic Magnetocaloric Effect in HoB Near Hydrogen Liquefaction Temperature
Pedro Baptista de Castro, Kensei Terashima, Takafumi D Yamamoto +8
Magnetic refrigeration exploits the magnetocaloric effect which is the entropy change upon application and removal of magnetic fields in materials, providing an alternate path for…
Demonstration of Electric Double Layer Gating under High Pressure by the Development of Field-Effect Diamond Anvil Cell
Shintaro Adachi, Ryo Matsumoto, Sayaka Yamamoto +9
We have developed an approach to control the carrier density in various material under high pressure by the combination of an electric double layer transistor (EDLT) with a diamond…
Magnetic entropy change of ErAl2 magnetocaloric wires fabricated by a powder-in-tube method
Takafumi D. Yamamoto, Hiroyuki Takeya, Suguru Iwasaki +4
We report the fabrication of ErAl2 magnetocaloric wires by a powder-in-tube method (PIT) and the evaluation of magnetic entropy change through magnetization measurements. The magne…
Random Fan-Out State Induced by Site-Random Interlayer Couplings
Ryo Tamura, Naoki Kawashima, Takafumi Yamamoto +2
We study the low-temperature properties of a classical Heisenberg model with site-random interlayer couplings on the cubic lattice. This model is introduced as a simplified effecti…