TY - JOUR
T1 - Strain engineering magnetic frustration in perovskite oxide thin films
AU - Escorihuela-Sayalero, Carlos
AU - Diéguez, Oswaldo
AU - Íñiguez, Jorge
PY - 2012/12/10
Y1 - 2012/12/10
N2 - Our first-principles results show that geometric frustration can be induced in thin films of multiferroic BiFeO3. We find that competing magnetic interactions occur in the so-called supertetragonal phase of this material, which can be grown on strongly compressive substrates. We show that the frustration level can be tuned by appropriately choosing the substrate; in fact, the phase diagram of the films presents a critical line at which the three-dimensional spin order gets annihilated. We argue that these effects are not exclusive to BiFeO3 and predict that they also occur in BiCoO3.
AB - Our first-principles results show that geometric frustration can be induced in thin films of multiferroic BiFeO3. We find that competing magnetic interactions occur in the so-called supertetragonal phase of this material, which can be grown on strongly compressive substrates. We show that the frustration level can be tuned by appropriately choosing the substrate; in fact, the phase diagram of the films presents a critical line at which the three-dimensional spin order gets annihilated. We argue that these effects are not exclusive to BiFeO3 and predict that they also occur in BiCoO3.
UR - http://www.scopus.com/inward/record.url?scp=84870895518&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.109.247202
DO - 10.1103/PhysRevLett.109.247202
M3 - ???researchoutput.researchoutputtypes.contributiontojournal.article???
AN - SCOPUS:84870895518
SN - 0031-9007
VL - 109
JO - Physical Review Letters
JF - Physical Review Letters
IS - 24
M1 - 247202
ER -