CeNiAsO: an antiferromagnetic dense Kondo lattice

Abstract

A cerium containing pnictide, CeNiAsO, crystallized in the ZrCuSiAs type structure, has been investigated by measuring transport and magnetic properties, as well as specific heat. We found that CeNiAsO is an antiferromagnetic dense Kondo lattice metallic compound with Kondo scale $T_K\sim$ 15 K and shows an enhanced Sommerfeld coefficient of ${\gamma }_0\sim$ 203 mJ/mol$\cdot$K${}^2$. While no superconductivity can been observed down to 30 mK, Ce ions exhibit two successive antiferromagnetic (AFM) transitions. We propose that the magnetic moment of Ce ion could align in the G type AFM order below the first transition at $T_{N1}$=9.3 K, and it might be modified into the C type AFM order below a lower transition at $T_{N2}$=7.3 K. Our results indicate that the 3$d-4f$ interlayer Kondo interactions play an important role in Ni-based Ce-containing pnictide.

13 pages, 5 figures, to appear in J. Phys.: Condens. Matter

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Cited by in corpus (13)

• Heavy Fermion Quantum Criticality and Destruction of the Kondo Effect in a Nickel Oxypnictide
• Short- and long-range magnetic order in LaMnAsO
• Coexistence of ferromagnetism and superconductivity in CeO${}_{0.3}$F${}_{0.7}$BiS${}_2$
• Spin reorientation and Ce-Mn coupling in antiferromagnetic oxypnictide CeMnAsO
• Magnetic property and crystalline electric field effect in ThCr${}_2$Si${}_2$-type CeNi${}_2$As${}_2$
• Atomic-Scale Magnetic Toroidal Dipole under Odd-Parity Hybridization
• Incommensurate magnetism near quantum criticality in CeNiAsO
• Altermagnetism in Heavy Fermion Systems: Mean-Field study on Kondo Lattice
• Competing magnetic phases and field-induced dynamics in DyRuAsO
• ${}^{75}$As NMR study of the antiferromagnetic Kondo lattice compound CeNiAsO
• Inversion-asymmetric itinerant antiferromagnets by the space group symmetry
• Modulated magnetism and anomalous electronic transport in $\mathrm{C}{\mathrm{e}}_3\mathrm{C}{\mathrm{u}}_4\mathrm{A}{\mathrm{s}}_4{\mathrm{O}}_2$
• Sub-spin-flop switching of a fully compensated antiferromagnet by magnetic field