Abstract
Crystalline thin films of NdNiO3 are known to exhibit characteristic metal-insulator electrical transitions. Infrared transmission measurements of these films have demonstrated the corresponding reversible optical switching response, transforming between IR-transparent and IR-opaque states. Their low-temperature transmission spectra exhibit a sharp increase in transmittance at an onset wavelength of approximately 3 mm (≈0.4eV), with an appearance suggesting formation of a distinct band gap structure. The transmission and reflection characteristics of these films differ significantly from those reported for bulk polycrystalline material.
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Acknowledgement
The authors are grateful to Mr. John Flintoff for the SEM and XEDS characterization, and Dr. Michael James for the x-ray rocking angle measurements. Support for this work was provided by Air Force Wright Laboratory.
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DeNatale, J.F., Kobrin, P.H. Optical Switching in Thin Film NdNiO3. MRS Online Proceedings Library 479, 145–152 (1997). https://doi.org/10.1557/PROC-479-145
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DOI: https://doi.org/10.1557/PROC-479-145