PT  - JOURNAL ARTICLE
AU  - Morimoto, Nobuo
AU  - Nakazawa, Hiromoto
TI  - Pyrrhotites: Synthetics Having Two New Superstructures
AID  - 10.1126/science.161.3841.577
DP  - 1968 Aug 09
TA  - Science
PG  - 577--579
VI  - 161
IP  - 3841
4099  - http://science.sciencemag.org/content/161/3841/577.short
4100  - http://science.sciencemag.org/content/161/3841/577.full
SO  - Science1968 Aug 09; 161
AB  - Synthetic pyrrhotites Fe1-xS, synthesized at various compositions and temperatures, show the presence of two new superstructures based on the hexagonal subcell of the NiAs type (axes A and C): one, in the range 1-x=0.89 to 0.93, has a = 90A and c = 3C; the other, in the range 1 -x = 0.935 to 0.975, has a = 2A but c irrationally related to C, varying with composition.