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Antiphase domains and reverse thermoremanent magnetism in ilmenite-hematite minerals

Science

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Abstract

Examination of synthetic ilmenite-hematite samples by transmission electron microscopy has for the first time revealed the presence of well-defined antiphase domains and antiphase domain boundaries in this mineral system. Samples quenched from 1300??C have a high density of domain boundaries, whereas samples quenched from 900??C have a much lower density. Only the high-temperature samples acquire reverse thermoremanent magnetism when cooled in an applied magnetic field. The presence of a high density of domain boundaries seems to be a necessary condition for the acquisition of reverse thermoremanent magnetism.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Antiphase domains and reverse thermoremanent magnetism in ilmenite-hematite minerals
Series title:
Science
Volume
213
Issue:
4514
Year Published:
1981
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
1372
Last page:
1374
Number of Pages:
3