Correction to: Scientific Reports https://doi.org/10.1038/s41598-017-05055-z, published online 07 July 2017

The Acknowledgements section in this Article is incomplete.

“Work at Argonne (Y.S., C.D., B.K., S.H., PFM, TEM and CGM imaging experiments, data analysis and contribution to manuscript writing) was supported by the US Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division. Use of the Center for Nanoscale Materials was supported by the US Department of Energy, Office of Science, Office of Basic Energy Sciences, under contract no. DE-AC02-06CH11357. Y.S. acknowledges the NSF (Grant #1002410) for supporting the guest graduate studentship at Argonne National Laboratory. R. A. acknowledges the NSF (Grant #1002410) for graduate fellowship at Univ. Puerto-Rico. B.K. acknowledges the Brain Korea program (National Research Foundation, Korea) for the guest graduate studentship at Argonne National Laboratory.”

should read:

“C.P. and S.H., were supported by the US Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division. Use of the Center for Nanoscale Materials was supported by the US Department of Energy, Office of Science, Office of Basic Energy Sciences, under contract no. DE-AC02-06CH11357. Y.S. acknowledges the NSF (Grant #1002410) for supporting a guest graduate studentship at Argonne National Laboratory. R. A. acknowledges the NSF (Grant #1002410) for a graduate fellowship at Univ. Puerto-Rico. B. K. acknowledges the Brain Korea program (National Research Foundation of Korea) for supporting a guest graduate studentship at Argonne National Laboratory.”