TY  - JOUR
AU  - Kleibeuker, Josée E
AU  - Choi, Eun-Mi
AU  - Jones, Edward D
AU  - Yu, Tse-Min
AU  - Sala, Bianca
AU  - MacLaren, Belinda A
AU  - Kepaptsoglou, Demie
AU  - Hernandez-Maldonado, David
AU  - Ramasse, Quentin M
AU  - Jones, Lewys
AU  - Barthel, Juri
AU  - MacLaren, Ian
AU  - MacManus-Driscoll, Judith L
TI  - Route to achieving perfect B-site ordering in double perovskite thin films
JO  - NPG Asia Materials
VL  - 9
IS  - 7
SN  - 1884-4057
CY  - Tokyo
M1  - FZJ-2017-07738
SP  - e406 -
PY  - 2017
AB  - Double perovskites (DP, A2BB’O6) exhibit a breadth of multifunctional properties with a huge potential range of applications, including magneto-optic and spintronic devices. However, spontaneous cation ordering is limited by the similar size and charge of B and B’ cations. We introduce a route to stimulate B-site rock-salt ordering. By growing thin films on (111)-oriented substrates, ‘in-plane’ strain acts on the intrinsically tilted oxygen octahedra of the DP and produces two different B-site cages (in size and shape), stimulating spontaneous cation ordering. For the ferromagnetic insulator La2CoMnO6, clear Co/Mn ordering was achieved by growing on (111)-oriented substrates. The difference in B-site cages was further enhanced when grown under minor (111) in-plane compressive strain, resulting in long-range ordering with a saturation magnetization of 5.8 μB/formula unit (f.u.), close to the theoretical 6 μB/f.u., without antiferromagnetic behavior. Our approach enables the study of many new ordered DPs which have never been made before.
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:000406063200002
DO  - DOI:10.1038/am.2017.113
UR  - https://juser.fz-juelich.de/record/840183
ER  -