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비정질 IGZO재료의 결정화도 Clustering 연구
황민하(Minha Hwang),조성준(Sungzoon Cho) 대한전자공학회 2021 대한전자공학회 학술대회 Vol.2021 No.6
In this paper, we propose a method to quantify the crystallization properties of IGZO thin films, which are amorphous materials. A large amount of image information was processed using 4D-STEM, the most advanced technology for observing the current atom, and crystallization characteristics were compared through the FEM measurement method. As a result, the degree of crystallization of amorphous materials was compared through the first peak of radial variance, and clusters were automatically classified through the SOM method, which is one of unsupervised learning.