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2005
Magnetic properties
D 9000
Neutron Powder Diffraction Study of Mn-Bearing Hematite, α-Fe2-xMnxO3, in the
0 ≤ x ≤ 0.176. — The title compounds are characterized by neutron powder dif37- 014 Range
fraction and DSC measurements. The crystal structure is essentially independent of
composition. All samples display weak ferromagnetism at 295 K and coexistence of
weak ferromagnetic and antiferromagnetic phases at 10 K. It is suggested that Mn substitution may contribute but cannot be the sole reason for the unusual magnetic properties of natural hematite samples. — (BARON, V.; GUTZMER, J.; RUNDLOEF, H.;
TELLGREN*, R.; Solid State Sci. 7 (2005) 6, 753-759; Dep. Mater. Chem., Uppsala
Univ., S-751 21 Uppsala, Swed.; Eng.) — W. Pewestorf
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