Pal, Anand and Mehdi, S. S. and Husain, Mushahid and Awana, V. P. S. (2012) High Field Transport And Magnetic Properties Of RECo(P/As)O. In: 56th DAE-Solid State Physics Symposium (SSPS), DEC 19-23, 2011, SRM Univ, Kattankulathur, INDIA.

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We report the structural, electrical and magnetic properties of Co-based layered RECo(P/As)O (RE = La, Nd,Sm) oxypnictide compounds. Cobalt shows the itinerant ferromagnetic state in these compounds. The LaCo(P/As)O shows paramagnetic (PM) to ferromagnetic (FM) transition, however in the same structure NdCo(P/As)O and SmCo(P/As)O show the PM-FM-AFM transition. The transition temperatures are dependent on both, the rare earth and the pnictogen. The transition of Co spins from FM to AFM, for magnetic Nd and Sm is both field and temperature dependent. NdCo(P/As)O and SmCo(P/As)O shows the unusual upside step like turn in resistivity. This upturn appears in NdCo(P/As)O in zero field whereas in SmCo(P/As)O with field.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Copyright for this article belongs to M/s American Institute of Physic.
Subjects: Applied Physics/Condensed Matter
Depositing User: Users 27 not found.
Date Deposited: 12 Mar 2020 11:18
Last Modified: 12 Mar 2020 11:18

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