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Transport and magnetic properties of BaVSe3 (CROSBI ID 146111)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Akrap, Ana ; Stevanović, Vladan ; Herak, Mirta ; Miljak, Marko ; Barišić, Neven ; Berger, Helmuth ; Forro, Laszlo Transport and magnetic properties of BaVSe3 // Physical review. B, Condensed matter and materials physics, 78 (2008), 23; 235111-1-235111-11. doi: 10.1103/PhysRevB.78.235111

Podaci o odgovornosti

Akrap, Ana ; Stevanović, Vladan ; Herak, Mirta ; Miljak, Marko ; Barišić, Neven ; Berger, Helmuth ; Forro, Laszlo

engleski

Transport and magnetic properties of BaVSe3

We report a comprehensive study of transport, magnetotransport, and magnetic properties of single crystals of BaVSe3. The paramagnetic metal-ferromagnetic metal transition at 43 K was followed as a function of pressure by measuring the electrical resistivity and the thermoelectric power. The exponent of the low-temperature power-law dependence of the resistivity increases with pressure. The effective magnetic moment obtained from magnetic susceptibility in the paramagnetic regime is µ eff=1.40µ B. The study was completed by band-structure calculations based on density-functional theory both at ambient and high pressures. Transport coefficients of BaVSe3 resemble the high-pressure phase of BaVS3, which suggest that the replacement of sulfur with selenium can be viewed as chemical pressure.

band structure; barium compounds; density functional theory; electrical resistivity; ferromagnetic materials; ferromagnetic-paramagnetic transitions; galvanomagnetic effects; magnetic moments; magnetic susceptibility; paramagnetic materials; thermoelectric power; vanadium compounds

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Podaci o izdanju

78 (23)

2008.

235111-1-235111-11

objavljeno

1098-0121

10.1103/PhysRevB.78.235111

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Fizika

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