Browsing NTNU Open by Author "Zhang, Song"
Now showing items 1-3 of 3
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FADBM: Frequency-Aware Dummy-Based Method in Long-Term Location Privacy Protection
Liu, Jiabang; Jiang, Xutong; Zhang, Song; Wang, Hao; Dou, Wanchun (Chapter, 2020)With the rapid usage of location-based services (LBSs), protection of location privacy has become a significant concern. Existing dummy-based methods mainly consider generating dummies in continuous queries, which neglects ... -
Impact of inherent energy barrier on spin-orbit torques in magnetic-metal/semimetal heterojunctions
Gao, Tenghua; Qaiumzadeh, Alireza; Troncoso, Roberto E.; Haku, Satoshi; An, Hongyu; Nakayama, Hiroki; Tazaki, Yuya; Zhang, Song; Tu, Rong; Asami, Akio; Brataas, Arne; Ando, Kazuya (Peer reviewed; Journal article, 2023)Spintronic devices are based on heterojunctions of two materials with different magnetic and electronic properties. Although an energy barrier is naturally formed even at the interface of metallic heterojunctions, its ... -
The effects of impurities on the properties of Cz-grown silicon for solar cells
Zhang, Song (Doctoral thesis at NTNU;2015:61, Doctoral thesis, 2015)The crystalline silicon solar cell has been dominating the PV market since it was introduced in the 1950´s. About 90% of solar modules currently installed are based on crystalline silicon, with cost-effective and high ...