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Sun, Y. (author), Kang, Xuanwu (author), Zheng, Yingkui (author), Lu, Jiang (author), Tian, Xiaoli (author), Wei, Ke (author), Wu, Hao (author), Wang, Wenbo (author), Liu, Xinyu (author), Zhang, G.Q. (author)
Gallium nitride (GaN)-based vertical power Schottky barrier diode (SBD) has demonstrated outstanding features in high-frequency and high-power applications. This paper reviews recent progress on GaN-based vertical power SBDs, including the following sections. First, the benchmark for GaN vertical SBDs with different substrates (Si, sapphire, and...
review 2019
document
Yazdan Mehr, M. (author), van Driel, W.D. (author), Zhang, G.Q. (author)
In this paper, progresses of color maintenance, also known as color shift, in solid-state lighting (SSL) systems are thoroughly reviewed. First, color shift is introduced and a few examples are given from different real-life industrial conditions. Different degradation mechanisms in different parts of the system are also explained. Different...
review 2015
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van de Wal, R. S.W. (author), Zhang, X. (author), Minobe, S. (author), Jevrejeva, S. (author), Riva, R.E.M. (author), Little, C. (author), Richter, K. (author), Palmer, M. D. (author)
Many processes affect sea level near the coast. In this paper, we discuss the major uncertainties in coastal sea-level projections from a process-based perspective, at different spatial and temporal scales, and provide an outlook on how these uncertainties may be reduced. Uncertainty in centennial global sea-level rise is dominated by the ice...
review 2019
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Zheng, Feifei (author), Tao, Ruoling (author), Maier, Holger R. (author), See, Linda (author), Savic, Dragan (author), Zhang, Tuqiao (author), Chen, Qiuwen (author), Assumpção, Thaine H. (author), Solomatine, D.P. (author)
Data are essential in all areas of geophysics. They are used to better understand and manage systems, either directly or via models. Given the complexity and spatiotemporal variability of geophysical systems (e.g., precipitation), a lack of sufficient data is a perennial problem, which is exacerbated by various drivers, such as climate change...
review 2019
document
Guo, Y. (author), Markine, V.L. (author), Zhang, X. (author), Qiang, Weile (author), Jing, Guoquig (author)
The performance and deformation of ballast bed are significantly influenced by the particle morphology (size and shape), the rheology (translation and rotation), and the degradation (breakage and abrasion). Regarding the ballast particle morphology, the ballast particle size is generally measured by sieving and described with the Particle Size...
review 2019
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Guo, Leicheng (author), Su, Ni (author), Townend, Ian (author), Wang, Z.B. (author), Zhu, C. (author), Wang, Xianye (author), Zhang, Yuning (author), He, Qing (author)
Many large rivers in the world delivers decreasing sediment loads to coastal oceans owing to reductions in sediment yield and disrupted sediment deliver. Understanding the sediment load regime is a prerequisite of sediment management and fluvial and deltaic ecosystem restoration. This work examines sediment load changes across the Changjiang...
review 2019
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Zhang, Hao (author), Liu, Dong E. (author), Wimmer, M.T. (author), Kouwenhoven, L.P. (author)
Majorana zero modes are localized quasiparticles that obey non-Abelian exchange statistics. Braiding Majorana zero modes forms the basis of topologically protected quantum operations which could, in principle, significantly reduce qubit decoherence and gate control errors at the device level. Therefore, searching for Majorana zero modes in...
review 2019
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