|
Title
|
|
|
|
Antiferromagnetic order breaks inversion symmetry in a metallic double perovskite, Pb₂NiOsO₆
|
|
|
Author
|
|
|
|
|
|
|
Abstract
|
|
|
|
| A polycrystalline sample of Pb2NiOsO6 was synthesized under high-pressure (6 GPa) and high-temperature (1575 K) conditions. Pb2NiOsO6 crystallizes in a monoclinic double perovskite structure with a centrosymmetric space group P2(1)/n at room temperature. Pb2NiOsO6 is metallic down to 2 K and shows a single antiferromagnetic (AFM) transition at T-N = 58 K. Pb2NiOsO6 is a new example of a metallic and AFM oxide with three-dimensional connectivity. Neutron powder diffraction and first-principles calculation studies indicate that both Ni and Os moments are ordered below T-N and the AFM magnetic order breaks inversion symmetry. This loss of inversion symmetry driven by AFM order is unusual in metallic systems, and the 3d-Sd double-perovskite oxides represent a new class of noncentrosymmetric AFM metallic oxides. |
|
|
|
Language
|
|
|
|
English
|
|
|
Source (journal)
|
|
|
|
Chemistry of materials / American Chemical Society. - Washington, D.C., 1989, currens
|
|
|
Publication
|
|
|
|
Washington, D.C.
:
2021
|
|
|
ISSN
|
|
|
|
0897-4756
[print]
1520-5002
[online]
|
|
|
DOI
|
|
|
|
10.1021/ACS.CHEMMATER.1C01032
|
|
|
Volume/pages
|
|
|
|
33
:11
(2021)
, p. 4188-4195
|
|
|
ISI
|
|
|
|
000661521800032
|
|
|
Full text (Publisher's DOI)
|
|
|
|
|
|
|
Full text (open access)
|
|
|
|
|
|
|
Full text (publisher's version - intranet only)
|
|
|
|
|
|