Light‐Induced Mott‐Insulator‐to‐Metal Phase Transition in Ultrathin Intermediate‐Spin Ferromagnetic Perovskite Ruthenates (Adv. Mater. 12/2023)

Light‐Induced Mott‐Insulator‐to‐Metal Phase Transition in Ultrathin Intermediate‐Spin Ferromagnetic Perovskite Ruthenates (Adv. Mater. 12/2023)

Insulator–Metal Transition In article number 2211612, Zhicheng Zhong, Xuefeng Wang, and co‐workers report that UV‐light irradiation on perovskite‐based heterostructures can drive the photocharge transfer from SrTiO3 substrates to intermediate‐spin ferromagnetic SrRuO3 ultrathin films containing oxyg...

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Veröffentlicht in:Advanced materials (Weinheim) 2023-03, Vol.35 (12), p.n/a
Hauptverfasser: Liu, Ruxin, Si, Liang, Niu, Wei, Zhang, Xu, Chen, Zhongqiang, Zhu, Changzheng, Zhuang, Wenzhuo, Chen, Yongda, Zhou, Liqi, Zhang, Chunchen, Wang, Peng, Song, Fengqi, Tang, Lin, Xu, Yongbing, Zhong, Zhicheng, Zhang, Rong, Wang, Xuefeng
Format: Artikel
Sprache:eng
Schlagworte:
charge transfer
Ferromagnetic materials
ferromagnetism
Field theory
Heterostructures
insulator‐to‐metal transition
light illumination
Light irradiation
Materials science
Mott insulators
Perovskites
Phase transitions
Substrates
Thin films
ultrathin SrRuO 3
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Zusammenfassung:Insulator–Metal Transition In article number 2211612, Zhicheng Zhong, Xuefeng Wang, and co‐workers report that UV‐light irradiation on perovskite‐based heterostructures can drive the photocharge transfer from SrTiO3 substrates to intermediate‐spin ferromagnetic SrRuO3 ultrathin films containing oxygen vacancies. As a consequence, a reversible Mott‐insulator‐to‐metal phase transition occurs in the SrRuO3 layer, as revealed by systematic light‐irradiation transport experiments and dynamical mean‐field theory calculations.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.202370087