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Topics - baizq

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Dear colleagues,

I am now working on the transmission properties of GMR junctions. I have found in ATK manual(version 2008.10) that, for TMR structure Fe/MgO/Fe, it is always necessary to include large number of kpoints for transmission spectrum calculation (k-mesh 301x301 as in the tutorial).

Here is my question : what about GMR structures, say, Co/Cu/Co , or Co2MnSi/Ag/Co2MnSi which has demostrated the largest MR ratio experimentally?  Approximately how many kpoints are needed for such systems when calculating transmission spectrum or IV curve?

Manny thanks.

baizq

Pages: 1 2 [3]