Dongsoo Jang

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Epitaxial lateral overgrowth in tandem with the first-principles calculation was employed to investigate the determining factor of a preferred orientation of GaN on SiO2-patterned m-plane sapphire substrates. We found that the (1100)-orientation is favored over the (1103)-orientation in the region with a small filling factor of SiO2, while the latter(More)
This paper describes an approach to modeling security threats to applications and to deriving security failure-tolerant requirements from the threats. This paper assumes that unbreakable core security services for applications, such as authentication, access control, cryptosystem, or digital signature, are broken all the time in a real-world setting. The(More)
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