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Issue 38, 2016
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An atomically thin ferromagnetic half-metallic pyrazine-fused Mn-porphyrin sheet: a slow spin relaxation system

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Abstract

The rapid developments in the field of spintronics have emerged as a promising field for quantum computing and data storage. Using the state-of-the-art density functional theory (DFT) calculations, the transition metal (TM = Cr, Mn, Fe, Co, Ni, Cu, and Zn) incorporated pyrazine fused porphyrin (PP) systems are studied for possible spintronic devices. Such TM-PP systems show excellent mechanical and thermal (300 K) stabilities and thus are stable enough for practical usages. Furthermore, ferromagnetism and half-metallicity are observed in Mn-PP systems, which opens up a way for the fabrication of new devices with 100% spin polarized current. The effect of strain is explored to find whether such systems can retain their electronic and magnetic properties under strains. Furthermore, we confirm a slower spin relaxation mechanism in the Mn-PP systems based on our anisotropy energy calculations.

Graphical abstract: An atomically thin ferromagnetic half-metallic pyrazine-fused Mn-porphyrin sheet: a slow spin relaxation system

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Publication details

The article was received on 10 Aug 2016, accepted on 02 Sep 2016 and first published on 05 Sep 2016


Article type: Paper
DOI: 10.1039/C6TC03438A
Citation: J. Mater. Chem. C, 2016,4, 9069-9077
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    An atomically thin ferromagnetic half-metallic pyrazine-fused Mn-porphyrin sheet: a slow spin relaxation system

    S. Kumar, I. Choudhuri and B. Pathak, J. Mater. Chem. C, 2016, 4, 9069
    DOI: 10.1039/C6TC03438A

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