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Observation of photobleaching in Ge-deficient Ge16.8Se83.2 chalcogenide thin film with prolonged irradiation

Zhang, Sen; Chen, Yimin; Wang, Rongping; Shen, Xiang; Dai, Shixun


We presented the unusual result of photobleaching (PB) in Ge-deficient Ge16.8Se83.2 thin films with continuous irradiation with 560 nm laser for 12000 s, which is contradicted with the previous reports that the PB only occurs in GexSe100-x films with x > 30. Observation of the dynamics variations of the photo-induced effects indicated that, photodarkening (PD) appears almost instantaneously upon light irradiation, saturates faster in a shorter time scale, and then photobleaching (PB) becomes...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Scientific Reports
DOI: 10.1038/s41598-017-14796-w


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