|
Title
|
|
|
|
A polar corundum oxide displaying weak ferromagnetism at room temperature
| |
|
Author
|
|
|
|
| |
|
Abstract
|
|
|
|
| Combining long-range magnetic order with polarity in the same structure is a prerequisite for the design of (magnetoelectric) multiferroic materials. There are now several demonstrated strategies to achieve this goal, but retaining magnetic order above room temperature remains a difficult target. Iron oxides in the +3 oxidation state have high magnetic ordering temperatures due to the size of the coupled moments. Here we prepare and characterize ScFeO3 (SFO), which under pressure and in strain-stabilized thin films adopts a polar variant of the corundum structure, one of the archetypal binary oxide structures. Polar corundum ScFeO3 has a weak ferromagnetic ground state below 356 K-this is in contrast to the purely antiferromagnetic ground state adopted by the well-studied ferroelectric BiFeO3. |
| |
|
Language
|
|
|
|
English
| |
|
Source (journal)
|
|
|
|
Journal of the American Chemical Society. - Washington, D.C.
| |
|
Publication
|
|
|
|
Washington, D.C.
:
2012
| |
|
ISSN
|
|
|
|
0002-7863
| |
|
Volume/pages
|
|
|
|
134
:8
(2012)
, p. 3737-3747
| |
|
ISI
|
|
|
|
000301161600027
| |
|
Full text (Publisher's DOI)
|
|
|
|
| |
|