Cu substitution in Sr(Ni1-xCux)2P2 stabilizes collapsed tetragonal states and tunes a large thermal hysteresis between one-third collapsed orthorhombic and collapsed tetragonal phases close to room temperature, enabling shape-memory behavior.
Construction ofA−Bheterolayer intermetallic crystals: Case studies of the 1144-phase TM-phosphidesAB(TM) 4P4 (TM=Fe, Ru, Co, Ni)
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Room-temperature shape-memory effect in Sr(Ni$_{1-x}$Cu$_x$)$_2$P$_2$
Cu substitution in Sr(Ni1-xCux)2P2 stabilizes collapsed tetragonal states and tunes a large thermal hysteresis between one-third collapsed orthorhombic and collapsed tetragonal phases close to room temperature, enabling shape-memory behavior.