High Temperature and High Pressure Synthesis and Magnetic Properties of Arsenic-Based Filled Skutterudite Compounds

High Temperature and High Pressure Synthesis and Magnetic Properties of Arsenic-Based Filled Skutterudite Compounds

We have succeeded in synthesizing new arsenic-based filled skutterudite compounds CaFe4As12 and BaOs4As12 under high pressure. These compounds have lattice constants of 8.3288 and 8.5809 Å, respectively. The magnetic properties of CaFe4As12 and BaOs4As12 have been studied by means of electrical resi...

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Veröffentlicht in:Solid state phenomena 2019-04, Vol.289, p.85-92
Hauptverfasser: Sekine, Chihiro, Ponmani, Hariharan, Gotou, Hirotada, Osanai, Toshihide, Kawamura, Yukihiro, Phuangyod, Atachariya
Format: Artikel
Sprache:eng
Schlagworte:
Arsenic
Arsenic compounds
Electrical resistivity
Electron spin
Ferromagnetism
High temperature
Iron
Lattice parameters
Magnetic measurement
Magnetic permeability
Magnetic properties
Magnetism
Transition temperature
Variations
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Zusammenfassung:We have succeeded in synthesizing new arsenic-based filled skutterudite compounds CaFe4As12 and BaOs4As12 under high pressure. These compounds have lattice constants of 8.3288 and 8.5809 Å, respectively. The magnetic properties of CaFe4As12 and BaOs4As12 have been studied by means of electrical resistivity, magnetic susceptibility and magnetization measurements. The electrical resistivity and magnetic measurements indicate that CaFe4As12 is a nearly ferromagnetic metal with spin fluctuations of Fe 3d electrons and BaOs4As12 is a new superconductor with a transition temperature around 3 K.
ISSN:1012-0394
1662-9779
1662-9779
DOI:10.4028/www.scientific.net/SSP.289.85