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Your search keyword '"Freeland, J. W."' showing total 7 results
Start Over Author "Freeland, J. W." Journal nature materials
7 results on '"Freeland, J. W."'

1. Local negative permittivity and topological phase transition in polar skyrmions

Author

Das, S., Hong, Z., Stoica, V. A., Gonçalves, M. A. P., Shao, Y. T., Parsonnet, E., Marksz, E. J., Saremi, S., McCarter, M. R., Reynoso, A., Long, C. J., Hagerstrom, A. M., Meyers, D., Ravi, V., Prasad, B., Zhou, H., Zhang, Z., Wen, H., Gómez-Ortiz, F., García-Fernández, P., Bokor, J., Íñiguez, J., Freeland, J. W., Orloff, N. D., Junquera, J., Chen, L. Q., Salahuddin, S., Muller, D. A., Martin, L. W., and Ramesh, R.

Published
2021
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3. Author Correction: Local negative permittivity and topological phase transition in polar skyrmions

Author

Das, S., Hong, Z., Stoica, V. A., Gonçalves, M. A. P., Shao, Y. T., Parsonnet, E., Marksz, E. J., Saremi, S., McCarter, M. R., Reynoso, A., Long, C. J., Hagerstrom, A. M., Meyers, D., Ravi, V., Prasad, B., Zhou, H., Zhang, Z., Wen, H., Gómez-Ortiz, F., García-Fernández, P., Bokor, J., Íñiguez, J., Freeland, J. W., Orloff, N. D., Junquera, J., Chen, L. Q., Salahuddin, S., Muller, D. A., Martin, L. W., and Ramesh, R.

Published
2021
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4. Local negative permittivity and topological phase transition in polar skyrmions

Author

Das, S., primary, Hong, Z., additional, Stoica, V. A., additional, Gonçalves, M. A. P., additional, Shao, Y. T., additional, Parsonnet, E., additional, Marksz, E. J., additional, Saremi, S., additional, McCarter, M. R., additional, Reynoso, A., additional, Long, C. J., additional, Hagerstrom, A. M., additional, Meyers, D., additional, Ravi, V., additional, Prasad, B., additional, Zhou, H., additional, Zhang, Z., additional, Wen, H., additional, Gómez-Ortiz, F., additional, García-Fernández, P., additional, Bokor, J., additional, Íñiguez, J., additional, Freeland, J. W., additional, Orloff, N. D., additional, Junquera, J., additional, Chen, L. Q., additional, Salahuddin, S., additional, Muller, D. A., additional, Martin, L. W., additional, and Ramesh, R., additional

Published
2020
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5. Dynamic layer rearrangement during growth of layered oxide films by molecular beam epitaxy

Author

Lee, J. H., primary, Luo, G., additional, Tung, I. C., additional, Chang, S. H., additional, Luo, Z., additional, Malshe, M., additional, Gadre, M., additional, Bhattacharya, A., additional, Nakhmanson, S. M., additional, Eastman, J. A., additional, Hong, H., additional, Jellinek, J., additional, Morgan, D., additional, Fong, D. D., additional, and Freeland, J. W., additional

Published
2014
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7. Full bulk spin polarization and intrinsic tunnel barriers at the surface of layered manganites.

Author

Freeland, J. W., Gray, K. E., Ozyuzer, L., Berghuis, P., Badica, Elvira, Kavich, J., Zheng, H., and Mitchell, J. F.

Subjects
*SPINTRONICS, *MICROELECTRONICS, *QUANTUM tunneling, *MANGANITE, *FERROMAGNETISM, *NANOTECHNOLOGY
Abstract

Transmission of information using the spin of the electron as well as its charge requires a high degree of spin polarization at surfaces. However, at surfaces this degree of polarization can be quenched by competing interactions. Using a combination of surface-sensitive X-ray and tunnelling probes, we show for the quasi-two-dimensional bilayer manganites that only the outermost Mn–O bilayer is affected: it is a 1-nm-thick insulator that exhibits no long-range ferromagnetic order, whereas the next bilayer displays the full spin polarization of the bulk. Such an abrupt localization of the surface effects is due to the two-dimensional nature of the layered manganite, and the loss of ferromagnetism is attributed to weakened double exchange in the reconstructed surface bilayer and a resultant antiferromagnetic phase. The creation of a well-defined surface insulator atop a fully spin-polarized bulk demonstrates the ability of two of the most demanding components of an ideal magnetic tunnel junction to self-assemble naturally. [ABSTRACT FROM AUTHOR]

Published
2005
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