| Autor: |
Sahadevan, Ajeesh M., Tiwari, Ravi K., Kalon, Gopinadhan, Bhatia, Charanjit S., Saeys, Mark, Yang, Hyunsoo |
| Rok vydání: |
2012 |
| Předmět: |
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| Zdroj: |
Applied Physics Letters 101, 042407 (2012) |
| Druh dokumentu: |
Working Paper |
| DOI: |
10.1063/1.4738787 |
| Popis: |
We study the effect of strain on magnetic tunnel junctions (MTJ) induced by a diamond like carbon (DLC) film. The junction resistance as well as the tunnel magnetoresistance (TMR) reduces with the DLC film. Non-equilibrium Green's function quantum transport calculations show that the application of biaxial strain increases the conductance for both the parallel and anti-parallel configurations. However, the conductance for the minority channel and for the anti-parallel configuration is significantly more sensitive to strain, which drastically increases transmission through a MgO tunnel barrier, therefore, the TMR ratio decreases with biaxial strain. |
| Databáze: |
arXiv |
| Externí odkaz: |
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