Antiphase domains and reverse thermoremanent magnetism in ilmenite-hematite minerals
Science
By: C.A. Lawson, G.L. Nord Jr., Eric Dowty, and R.B. Hargraves
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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.
| 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 |
| Larger Work Title | Science |
| First page | 1372 |
| Last page | 1374 |
| Google Analytic Metrics | Metrics page |