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Tailoring the electronic transitions of NdNiO3 films through (111)pc oriented interfaces

Bisogni, V.
He, F.
Sutarto, R.
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Published in APL Materials. 2015, vol. 3, no. 6, 062506
Abstract Bulk NdNiO3 and thin films grown along the pseudocubic (001)pc axis display a 1st order metal to insulator transition (MIT) together with a Néel transition at T = 200 K. Here, we show that for NdNiO3 films deposited on (111)pc NdGaO3, the MIT occurs at T = 335 K and the Néel transition at T = 230 K. By comparing transport and magnetic properties of layers grown on substrates with different symmetries and lattice parameters, we demonstrate a particularly large tuning when the epitaxy is realized on (111)pc surfaces. We attribute this effect to the specific lattice matching conditions imposed along this direction when using orthorhombic substrates.
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Research group Groupe Triscone
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CATALANO, Sara et al. Tailoring the electronic transitions of NdNiO3 films through (111)pc oriented interfaces. In: APL Materials, 2015, vol. 3, n° 6, p. 062506. doi: 10.1063/1.4919803 https://archive-ouverte.unige.ch/unige:75090

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Deposited on : 2015-09-08

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