DFT+DMFT reveals RuO2 sits near the paramagnetic-altermagnetic boundary and itinerant-localized crossover, making its magnetic state tunable by minimal strain due to dynamical correlations.
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Compressive strain along [001] stabilizes altermagnetism in RuO2 films on (100) and (110) TiO2 substrates, tunable by film thickness, with (100) orientation yielding ideal altermagnetic order and (110) showing uncompensated ferrimagnetism.
citing papers explorer
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Correlation-driven tunability of altermagnetism in RuO$_2$
DFT+DMFT reveals RuO2 sits near the paramagnetic-altermagnetic boundary and itinerant-localized crossover, making its magnetic state tunable by minimal strain due to dynamical correlations.
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Strain Engineering of Altermagnetic Symmetry in Epitaxial RuO$_2$ Films
Compressive strain along [001] stabilizes altermagnetism in RuO2 films on (100) and (110) TiO2 substrates, tunable by film thickness, with (100) orientation yielding ideal altermagnetic order and (110) showing uncompensated ferrimagnetism.