title: Disorder in the composite crystal structure of the manganese `disilicide' MnSi1.73 from powder X-ray diffraction data.
abstract: The crystal structure of the higher manganese silicide MnSi1.7 (known in the literature as HMS) is investigated in samples with different compositions obtained by different techniques at temperatures not higher than 1273 K. Powder X-ray diffraction was applied. The crystal structure is described as incommensurate composite. In addition to the ordered model already known in the literature, the partial disorder in the silicon substructure was detected and described introducing an additional atomic site with a different modulation function.
authors.affiliation: Max-Planck-Institut für Chemische Physik fester Stoffe, Noethnitzer Str. 40, 01187 Dresden, Germany.
authors.forename: L
authors.initials: L
authors.lastname: Akselrud
authors.affiliation: Max-Planck-Institut für Chemische Physik fester Stoffe, Noethnitzer Str. 40, 01187 Dresden, Germany.
authors.forename: R
authors.initials: R
authors.lastname: Cardoso Gil
authors.affiliation: Max-Planck-Institut für Chemische Physik fester Stoffe, Noethnitzer Str. 40, 01187 Dresden, Germany.
authors.forename: M
authors.initials: M
authors.lastname: Wagner-Reetz
authors.affiliation: Max-Planck-Institut für Chemische Physik fester Stoffe, Noethnitzer Str. 40, 01187 Dresden, Germany.
authors.forename: Yu
authors.initials: Y
authors.lastname: Grin
keywords: disorder; higher magnesium silicide; non-commensurate composite crystal structure; powder X-ray diffraction