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Keywords:

  • data storage;
  • room temperature phosphorescence;
  • thermal recording;
  • persistent phosphorescence;
  • nondestructive readouts
Thumbnail image of graphical abstract

S. Hirata, C. Adachi, and co-workers demonstrate thermoreversible media using timedependent, persistent room temperature phosphorescence. On page 438, aggregation changes to persistent phosphorescent guest molecules within a hydroxyl steroidal host, controlled by thermal hysteresis, trigger the reversible on–off recording of persistent room temperature phosphorescence.