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2. Magnetic ground state of the Mn+1AXn-phase nitride Cr2GaN.

Author

Liu, Z., Waki, T., Tabata, Y., Yuge, K., Nakamura, H., and Watanabe, I.

Subjects
*MAGNETIC balances, *NITRIDES, *NUCLEAR magnetic resonance, *MAGNETIC transitions, *ELECTRONIC structure
Abstract

Aiming to find magnetic states in the Mn+1AXn phases, we measured the magnetic susceptibility, the resistivity, and nuclear magnetic resonance of Cr2GaX (X=N and C). Zero-field and longitudinal-field muon spin relaxation experiments were also applied to Cr2GaN. A magnetic phase transition, most probably to the spin-density-wave (SDW) state, has been found in Cr2GaN at TN=170 K in contrast to the Pauli paramagnetism in the carbide counterpart Cr2GaC. The origin of the SDW transition is interpreted in terms of possible Fermi-surface nesting in the two-dimensional-like electronic structure. [ABSTRACT FROM AUTHOR]

Published
2013
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