p‐Orbital Ferromagnetism Arising from Unconventional O− Ionic State in a New Semiconductor Sr2AlO4 with Insufficiently Bonded Oxygen

p‐Orbital Ferromagnetism Arising from Unconventional O− Ionic State in a New Semiconductor Sr2AlO4 with Insufficiently Bonded Oxygen

Abstract Oxygen in solids usually exists in an O2− ionic state. As a result, it loses its magnetic nature of a single atom, wherein two unpaired electrons exist in its outer 2p orbitals. Here, it is shown that an unconventional stable ionic state of O− is realized in a new semiconductor material Sr2...

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Bibliographic Details
Main Authors: Xu‐Guang Zheng, Chao‐Nan Xu, Tomoki Uchiyama, Ichihiro Yamauchi, Tomasz Galica, Eiji Nishibori, Ying Chen
Format: Article
Language:English
Published: Wiley 2025-01-01
Series:Advanced Science
Subjects:
magnetic semiconductor
O− ionic state
p‐orbital ferromagnetism
Sr2AlO4
Online Access:https://doi.org/10.1002/advs.202410977
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