Neutron Diffraction Studies of α‐FeOOH | Zendy

Szytuła A. | Zendy; Burewicz A. | Zendy; Dimitrijević Ž. | Zendy; Kraśnicki S. | Zendy; Rżany H. | Zendy; Todorović J. | Zendy; Wanic A. | Zendy; Wolski W. | Zendy

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Neutron Diffraction Studies of α‐FeOOH

Author(s) -

Szytuła A.,

Burewicz A.,

Dimitrijević Ž.,

Kraśnicki S.,

Rżany H.,

Todorović J.,

Wanic A.,

Wolski W.

Publication year - 1968

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.19680260205

Subject(s) - neutron diffraction , antiferromagnetism , spins , monochromatic color , hematite , neutron , crystallography , materials science , powder diffraction , goethite , diffraction , chemistry , analytical chemistry (journal) , mineralogy , optics , condensed matter physics , crystal structure , physics , nuclear physics , chromatography , adsorption

Neutron spectrometric investigations are made of goethite (α‐FeOOH) of mineralogical and synthetic origin (α‐FeOOH of natural isotopic composition) and also of α‐FeOOD using a monochromatic neutron beam of λ = 1.12 Å. Some powder diffraction patterns in the temperature range from −190 to +120°C are measured. The obtained coordinates for all atoms (including those for hydrogen) in the unit cell are given. The existence of antiferromagnetic spin ordering at temperatures below +80°C is observed. A model is proposed in which the spins are aligned parallel to the b ‐axis.

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