Freestanding inorganic oxide films for flexible electronics

Recently, flexible electronic devices are of increasing interest due to their wide range application fields, including information storage, energy conversion, and wearable implantable electronics. In particular, freestanding inorganic oxide films proved be an extraordinary versatile platform for electronics owing super elasticity, outstanding functionalities, tunability, long-term stability. this Perspective, we review the up-to-date advances from perspectives synthesis methods, physical properties, device applications. First, preparation strategies based on epitaxial lift-off technologies classified into chemical aspects that introduced. Second, discuss properties films, especially in terms ferroelectricity, magnetism, multiferroics, etc. Third, highlight several applications fields data memory, health care. Finally, conclude with a future perspective prospects challenges regarding syntheses films.