Spintronic superconductor in a bulk layered material with natural spin-valve structure

Sakuragi, Shunsuke; Sasaki, Shun; Akashi, Ryosuke; Sakagami, Ryosuke; Kuroda, Kazuyuki; Bareille, C.; Hashimoto, T.; Nagashima, Tomitaro; Kinoshita, Yoshiki; Hikita, Yasuyuki; Shimozawa, Masaaki; Asai, Shinichiro; Yajima, Takeshi; Doi, Shotaro; Tsujimoto, Naoto; Kunisada, So; Noguchi, Ryo; Kurokawa, Kifu; Azuma, Nagao; Hirata, Ken‐ichi; Yamasaki, Y.; Nakao, Hiroyuki; Kim, T. K.; Cacho, Céphise; Masuda, Takatsugu; Tokunaga, Masashi; Wadati, Hiroki; Okazaki, Keisuke; Shin, Shik; Kamihara, Yoichi; Yamashita, Minoru; Kondo, Takeshi

doi:10.48550/arxiv.2001.07991

Cited by 1 publication

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“…35) Recently, EuSn 2 As 2 is also attained attention from the viewpoint of topological materials. [36][37][38] Furthermore, its related compounds with the same structuretype, such as Na 1+x Sn 2−x As 2 [39][40][41][42] and Na 1−x Sn 2 P 2 , 43) are found to show superconductivity at low temperature. Thus, investigations regarding detailed transport properties of EuSn 2 As 2 are required to obtain insights in physical properties of SnPn-based layered compounds.…”

Section: Introductionmentioning

confidence: 99%

Thermoelectric transport properties of the van der Waals-type layered rhombohedral SnAs-based compound, EuSn₂As₂

Sakagami

Goto

Karimata

et al. 2021

Jpn. J. Appl. Phys.

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The thermoelectric transport properties of the van der Waals-type layered rhombohedral SnAs-based compound, EuSn2As2, have been investigated. A densified polycrystalline sample of EuSn2As2 with porosity (ϕ) of 2.4(9) vol.% exhibited a weak orientation to the c-axis for hexagonal coordination system; the weak orientation is parallel (P ∥) to the pressing direction of hot pressing. Measurements of electrical resistivity (ρ), Seebeck coefficient (S), and thermal conductivity (κ) were conducted perpendicular (P ⊥) to the pressing direction. The experimental values of ρ and S exhibit metallic temperature dependence and p-type carrier polarity. The power factor (P) was 0.51(8) mW m−1 K−2 at 673(4) K. Using the Wiedemann–Franz–Lorenz law, the phonon thermal conductivity (κ ph) was estimated to be 0.4(6) W m−1 K−1 at 673(6) K. The dimensionless figure of merit, ZT, was 0.092(17) at 673(3) K.

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Section: Introductionmentioning

confidence: 99%

Thermoelectric transport properties of the van der Waals-type layered rhombohedral SnAs-based compound, EuSn₂As₂

Sakagami

Goto

Karimata

et al. 2021

Jpn. J. Appl. Phys.

View full text Add to dashboard Cite

show abstract

Spintronic superconductor in a bulk layered material with natural spin-valve structure

Cited by 1 publication

References 30 publications

Thermoelectric transport properties of the van der Waals-type layered rhombohedral SnAs-based compound, EuSn₂As₂

Thermoelectric transport properties of the van der Waals-type layered rhombohedral SnAs-based compound, EuSn₂As₂

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Spintronic superconductor in a bulk layered material with natural spin-valve structure

Cited by 1 publication

References 30 publications

Thermoelectric transport properties of the van der Waals-type layered rhombohedral SnAs-based compound, EuSn2As2

Thermoelectric transport properties of the van der Waals-type layered rhombohedral SnAs-based compound, EuSn2As2

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Thermoelectric transport properties of the van der Waals-type layered rhombohedral SnAs-based compound, EuSn₂As₂

Thermoelectric transport properties of the van der Waals-type layered rhombohedral SnAs-based compound, EuSn₂As₂