Vt. Em et al., NEUTRON-DIFFRACTION STUDY OF THE TAU-PHASE OF CARBON-DOPED MN-AL ALLOY, Physica status solidi. a, Applied research, 159(2), 1997, pp. 323-326
The metastable ferromagnetic tau-phase of the Mn-Al-C system has been
studied by neutron diffraction to determine the lattice sites occupied
by carbon atoms. The data obtained for Mn0.56Al0.44C0.018 and Mn0.56A
l0.44C0.024 samples show that the carbon sublattice is ordered and car
bon atoms occupy interstitial sites (1/2, 1/2, 0) in the P4/mmm space
group.