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Microscopic evidence for Mn-induced long range magnetic ordering in MAX phase compounds
A Maniv1,2, A P Reyes2, S K Ramakrishna2
1Department of Physics, Nuclear Research Center-Negev, PO Box 9001, Beer Sheva 84190, Israel.
Abstract:
Zero and low field nuclear magnetic resonance measurements have been performed on MAX phase samples (Cr1-x Mn x )2AC with A = Ge and Ga in order to obtain local microscopic information on the nature of magnetism in this system. Our results unambiguously provide evidence for the existence of long-range magnetic order in (Cr0.96Mn0.04)2GeC and for (Cr0.93Mn0.07)2GaC, but not for (Cr0.97Mn0.03)2GaC. We point to a possible dependence of long range magnetic order in these MAX phase compounds on the A atom.
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