Stimulating Oxide Heterostructures: A Review on Controlling SrTiO3‐Based Heterointerfaces with External Stimuli

Dennis Valbjørn Christensen, Felix Trier, Wei Niu, Yulin Gan, Yu Zhang, Thomas Sand Jespersen, Yunzhong Chen, Nini Pryds*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Numerous of the greatest inventions in modern society, such as solar cells, display panels, and transistors, rely on a simple concept: An external stimulus is applied to a material and the response is then utilized. Oxides often exhibit a colorful palette of responses to external stimuli due to the close coupling between lattice, spin, orbital, and charge degrees of freedom. In particular, oxide heterostructures where oxide thin films are deposited on SrTiO3 have proven to be a fertile playground for material scientists, and a vast amount of interesting theoretical and experimental studies showcase the wide tunabilities of these heterostructures when subjected to external stimuli. Here, the authors review how the properties of SrTiO3‐based heterostructures can be changed by external stimuli using electric fields, magnetic fields, light, stress, particle bombardment, liquids, gases, and temperature. The application of a single stimulus or several stimuli combined often leads to unexpected changes in properties which can open up for designing new devices as well as expanding the boundaries of our understanding within fundamental science.
Original languageEnglish
Article number1900772
JournalAdvanced Materials Interfaces
Issue number21
Number of pages40
Publication statusPublished - 2019


  • 2DEG
  • External stimuli
  • Oxide
  • SrTiO3-based heterointerfaces
  • Thin filters


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