activity
20242026
most citedSpecific heat analyses on optical-phonon-derived uniaxial negative thermal expansion system Zr ( = Fe and CoNi)

4 citations · 5 across the 6 of their papers we have counts for

collaborators

6 papers

cond-mat.supr-con2026

Distinct Roles of Hydrogen in Superconducting and Ferromagnetic Phases of CoZrH

Yuto Watanabe, Takayoshi Katase, Daisuke Takegami +1

Hydrogenation offers a versatile route to tuning the physical properties of intermetallic compounds. In this study, we synthesized CoZrH with different hydrogen content…

cond-mat.mtrl-sci2025

Uniaxial negative thermal expansion in a weak-itinerant-ferromagnetic phase of CoZrH

Yuto Watanabe, Kota Suzuki, Takayoshi Katase +3

We discovered unique uniaxial negative thermal expansion (NTE) behavior for a weak-itinerant-ferromagnetic phase of CoZrH. CoZr is known as a superconductor ex…

cond-mat.mtrl-sci2024★ 1 cited

Diffusion-Controlled Anion Conversion into Dense Polycrystalline and Single-Crystalline Oxyhydrides

Masaya Fujioka, Mihiro Hoshino, Suguru Iwasaki +8

Oxyhydrides represent a new class of functional materials, yet the synthesis of dense polycrystals or single-crystals suitable for transport studies remains a significant challenge…

cond-mat.supr-con2024★ 4 cited

Specific heat analyses on optical-phonon-derived uniaxial negative thermal expansion system Zr ( = Fe and CoNi)

Yuto Watanabe, Ceren Tayran, Md. Riad Kasem +4

Recently, huge uniaxial negative thermal expansion (NTE) along a -axis has been observed in transition-metal () zirconides Zr with a tetragonal CuAl-type str…

cond-mat.mtrl-sci2024

High entropy effect on thermoelectric properties of nonequilibrium cubic phase of AgBiSe2-2xSxTex with x = 0-0.6

Asato Seshita, Aichi Yamashita, Takayoshi Katase +1

Silver bismuth diselenide (AgBiSe2) has much attention as an efficient thermoelectric material due to its low thermal conductivity. However, AgBiSe2 exhibits multiple crystal struc…

cond-mat.mtrl-sci2024

Stabilization and high thermoelectric performance of high-entropy-type cubic AgBi(S, Se, Te)2

Asato Seshita, Aichi Yamashita, Takeshi Fujita +6

As thermoelectric generators can convert waste heat into electricity, they play an important role in energy harvesting. The metal chalcogenide AgBiSe2 is one of the high-performanc…