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Magnetic and Thermospin Transport Properties of Triangular Graphene-Flake-Doped Boron Nitride Nanotubes
SPIN ( IF 1.3 ) Pub Date : 2022-07-07 , DOI: 10.1142/s2010324722500151
Gang Xu 1 , Xingyi Tan 1, 2 , Youchang Jiang 1 , Dahua Ren 2
Affiliation  

Magnetic nanotubes are a new material platform to realize the spin-dependent Seebeck effect (SDSE) and thermal spin-filtering effect (TSFE) in spin caloritronics. Here, we designed several magnetic nanotubes using triangular graphene-flake-doped boron nitride nanotubes (GFBNNTs) and found that the band structure of these GFBNNTs can be effectively engineered by embedding graphene flakes (GFs) of different sizes. The magnetic boron nitride nanotubes (BNNTs) ((5, 5)-6N) generate a good SDSE with nearly symmetric spin-up and spin-down currents, while the magnetic BNNTs ((10, 0)-6N) generate a good TSFE. These theoretical results about the SDSE and TSFE in nanotubes enrich the spin caloritronics and suggest material candidates to realize the SDSE and other inspiring thermospin phenomena.



中文翻译:

三角形石墨烯薄片掺杂氮化硼纳米管的磁性和热自旋输运性质

磁性纳米管是实现自旋热电子学中的自旋相关塞贝克效应(SDSE)和热自旋过滤效应(TSFE)的新材料平台。在这里,我们使用三角形石墨烯薄片掺杂的氮化硼纳米管 (GFBNNTs) 设计了几种磁性纳米管,并发现这些 GFBNNTs 的能带结构可以通过嵌入不同尺寸的石墨烯薄片 (GFs) 来有效地设计。磁性氮化硼纳米管 (BNNT) ((5, 5)-6N) 产生良好的 SDSE,具有几乎对称的自旋向上和自旋向下电流,而磁性 BNNT ((10, 0)-6N) 产生良好的 TSFE . 这些关于纳米管中 SDSE 和 TSFE 的理论结果丰富了自旋热电子学,并提出了实现 SDSE 和其他鼓舞人心的热自旋现象的材料候选者。

更新日期:2022-07-08
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