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| Author | Sabzalipour, A.; Mir, M.; Zarenia, M.; Partoens, B. | ||||
| Title | Two distinctive regimes in the charge transport of a magnetic topological ultra thin film | Type | A1 Journal article | ||
Year  |
2020 | Publication | New Journal Of Physics | Abbreviated Journal | New J Phys |
| Volume | 22 | Issue | 12 | Pages | 123004 |
| Keywords | A1 Journal article; Condensed Matter Theory (CMT) | ||||
| Abstract | The effect of the magnetic impurities on the charge transport in a magnetic topological ultra-thin film (MTF) is analytically investigated by applying the semi-classical Boltzmann framework through a modified relaxation-time approximation. Our results for the relaxation time of electrons as well as the charge conductivity of the system exhibit two distinct regimes of transport. We show that the generated charge current in a MTF is always dissipative and anisotropic when both conduction bands are involved in the charge transport. The magnetic impurities induce a chirality selection rule for the transitions of electrons which can be altered by changing the orientation of the magnetic impurities. On the other hand, when a single conduction band participates in the charge transport, the resistivity is isotropic and can be entirely suppressed due to the corresponding chirality selection rule. Our findings propose a method to determine an onset thickness at which a crossover from a three-dimensional magnetic topological insulator to a (two-dimensional) MTF occurs. | ||||
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| Language | Wos | 000596436300001 | Publication Date | 2020-11-11 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
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| ISSN | 1367-2630 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 3.3 | Times cited | 2 | Open Access | |
| Notes | ; MZ acknowledges support from the U.S. Department of Energy (Office of Science) under Grant No. DE-FG02- 05ER46203. ; | Approved | Most recent IF: 3.3; 2020 IF: 3.786 | ||
| Call Number | UA @ admin @ c:irua:174387 | Serial | 6701 | ||
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