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Shin, Hyeon Suk
Lab for Carbon and 2D Materials
Research Interests
  • Two-dimensional materials: graphene, transition metal dichalcogenides, h-BN, and their heterostructures

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Two-dimensional gradient mapping technique useful for detailed spectral analysis of polymer transition temperatures

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Title
Two-dimensional gradient mapping technique useful for detailed spectral analysis of polymer transition temperatures
Author
Jung, Young MeeShin, Hyeon SukKim, Seung BinNoda, Isao
Issue Date
2008-03
Publisher
AMER CHEMICAL SOC
Citation
JOURNAL OF PHYSICAL CHEMISTRY B, v.112, no.12, pp.3611 - 3616
Abstract
This paper demonstrates the potential of a two-dimensional (2D) gradient mapping technique that utilized the eigenvalue manipulating transformation (EMT) of the spectral data set. The EMT technique, by lowering the power of a set of eigenvalues associated with the original data, enhances the contributions of minor principle components (PCs). The operation converts the original spectral data set to the one with subtle differences among the responses of the system being exaggerated. Small shoulders and obscure minor features may become much more visible, because such small differentiating features are often captured only by the minor PCs enlarged by the EMT treatment. This improvement for 2D mapping is potentially very important to determine the transition temperatures, which are not readily detected in convention spectral analysis.
URI
https://scholarworks.unist.ac.kr/handle/201301/5863
URL
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=43049165820
DOI
10.1021/jp077043n
ISSN
1520-6106
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CHM_Journal Papers
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