First-principles calculations of GaN:Gd nanowires: Carbon-dopants-induced room-temperature ferromagnetism
Source abstract
Abstract
First-principle calculations of the electronic structure and magnetic interaction of C-Gd co-doped GaN nanowires have been performed. The room-temperature ferromagnetism in GaN:Gd nanowires is observed after the substitution of N atoms by C atoms. A p-d coupling is considered as the reason of the observed ferromagnetism. The striking feature is that such coupling is effected greatly by the position where the C atoms dope in. As the C-Gd distance increases this coupling decreases and the system won’t gain enough energy to stabilize the ferromagnetism.
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Research context
OpenAlex topics: ZnO doping and properties · GaN-based semiconductor devices and materials · Ga2O3 and related materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Applied Physics and State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University 1 , Ren Min Road 2999, Songjiang District, Shanghai 201620, China
National Lab. Of Infrared Physics, Shanghai Institute for Technical Physics, Chinese Academy of Science 2 , 500 Yu Tian Road, Shanghai 200083, China
Funding
National Natural Science Foundation of China
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