Abstract
We report the effect of electron doping in binary transition metal-pnictide compound CrAs in polycrystalline compositions (Cr0.85T0.15)As (T = Fe, Co, Ni). Room temperature powder x-ray diffraction measurements show that the impurity-free doped samples crystallize in the orthorhombic MnP-type crystal structure with space group Pnma. Electrical resistivity ρ(T) data of all three compositions exhibit metallic behaviour with the room temperature ρ of about 1 mΩ cm, which is close to the values observed in single-crystal and polycrystalline samples of CrAs. Magnetic susceptibility χ(T) data of all three compositions show paramagnetic behaviour and show no evidence any magnetic ordering down to 1.8 K. The ρ(T) and χ(T) results collectively reveal that the antiferromagnetic ordering observed at Néel temperature TN ≈ 270 K in CrAs is absent in the doped samples.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
