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| Content Provider | PubMed Central |
|---|---|
| Author | Yu, Weiyang Zhu, Zhili Niu, Chun-yao Chong, Li Cho, Jun-hyung Jia, Yu |
| Abstract | We present first-principles density-functional calculations for the structural, electronic, and magnetic properties of substitutional 3d transition metal (TM) impurities in two-dimensional black and blue phosphorenes. We find that the magnetic properties of such substitutional impurities can be understood in terms of a simple model based on the Hund’s rule. The TM-doped black phosphorenes with Ti, V, Cr, Mn, Fe, and Ni impurities show dilute magnetic semiconductor (DMS) properties while those with Sc and Co impurities show nonmagnetic properties. On the other hand, the TM-doped blue phosphorenes with V, Cr, Mn, and Fe impurities show DMS properties, with Ni impurity showing half-metal properties, whereas Sc- and Co-doped systems show nonmagnetic properties. We identify two different regimes depending on the occupation of the hybridized electronic states of TM and phosphorous atoms: (i) bonding states are completely empty or filled for Sc- and Co-doped black and blue phosphorenes, leading to nonmagnetic; (ii) non-bonding d states are partially occupied for Ti-, V-, Cr-, Mn-, Fe- and Ni-doped black and blue phosphorenes, giving rise to large and localized spin moments. These results provide a new route for the potential applications of dilute magnetic semiconductor and half-metal in spintronic devices by employing black and blue phosphorenes. |
| Related Links | http://dx.doi.org/10.1186/s11671-016-1296-x |
| Starting Page | 77 |
| File Format | |
| ISSN | 19317573 |
| e-ISSN | 1556276X |
| Journal | Nanoscale Research Letters |
| Volume Number | 11 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2016-12-01 |
| Access Restriction | Open |
| Rights Holder | Springer US |
| Subject Keyword | Materials Science(all) Condensed Matter Physics Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology Condensed Matter Physics |
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